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 Class   359OPTICAL: SYSTEMS AND ELEMENTS
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  1           HOLOGRAPHIC SYSTEM OR ELEMENT
  2           . (1 indent ) Authentication
  3           . (1 indent ) Having particular recording medium
  4           .. (2 indent ) Recyclable
  5           ... (3 indent ) Magnetic material
  6           ... (3 indent ) Sandwich having photoconductor
  7           ... (3 indent ) Crystalline material
  8           .. (2 indent ) Having nonplanar recording medium surface
  9           . (1 indent ) For synthetically generating a hologram
  10           . (1 indent ) Using modulated or plural reference beams
  11           .. (2 indent ) Spatial, phase or amplitude modulation
  12           . (1 indent ) Copying by holographic means
  13           . (1 indent ) Head up display
  14           .. (2 indent ) Holograph on curved substrate
  15           . (1 indent ) Using a hologram as an optical element
  16           .. (2 indent ) With aberration correction
  17           .. (2 indent ) Scanner
  18           ... (3 indent ) Flat rotating disk
  19           .. (2 indent ) Lens
  20           ... (3 indent ) Multiple point hologram (e.g., fly-eye lens, etc.)
  21           . (1 indent ) Having defined page composer
  22           . (1 indent ) For producing or reconstructing images from multiple holograms (e.g., color, etc.)
  23           .. (2 indent ) Holographic stereogram
  24           .. (2 indent ) Superimposed holograms only
  25           .. (2 indent ) Discrete hologram only
  26           ... (3 indent ) Sequential frames on moving film
  27           . (1 indent ) Having particular laser source
  28           . (1 indent ) Having multiple object beam or diffuse object illumination
  29           . (1 indent ) Fourier transform holography
  30           . (1 indent ) Having optical element between object and recording medium
  31           .. (2 indent ) Focused image holography
  32           . (1 indent ) For reconstructing image
  33           .. (2 indent ) Real image
  34           . (1 indent ) With optical waveguide
  35           . (1 indent ) Hardware for producing a hologram
  107           OPTICAL COMPUTING WITHOUT DIFFRACTION
  108           . (1 indent ) Logic gate
  196.1           DEFLECTION USING A MOVING ELEMENT
  197.1           . (1 indent ) Using a periodically moving element
  198.1           .. (2 indent ) With particular mount or driver for element
  199.1           ... (3 indent ) Oscillating driver
  199.2           .... (4 indent ) Electrostatically driven
  199.3           .... (4 indent ) Electromagnetically driven
  199.4           .... (4 indent ) Electromechanically driven
  200.1           ... (3 indent ) Bearing or shaft for rotary driver
  200.2           .... (4 indent ) Specific shaft material or structure (e.g., ceramic ring)
  200.3           .... (5 indent ) Grooved shaft
  200.4           .... (4 indent ) Fluid pressure bearing
  200.5           .... (5 indent ) Dynamic fluid bearing
  200.6           ... (3 indent ) Electrostatic driver
  200.7           ... (3 indent ) Electromagnetic driver
  200.8           ... (3 indent ) Electromechanical driver
  201.1           .. (2 indent ) With multiple scanning elements (e.g., plural lenses, lens and prism, etc.)
  201.2           ... (3 indent ) Reflective element (e.g., mirror, reflector, etc.)
  202.1           ... (3 indent ) X-Y scanners
  203.1           ... (3 indent ) Having a common axis or rotation
  204.1           .. (2 indent ) Utilizing multiple light beams
  204.2           ... (3 indent ) Including modulated light beam
  204.3           ... (3 indent ) Including polarized light beam
  204.4           ... (3 indent ) Having multiple light beams with visible wavelengths
  204.5           ... (3 indent ) With diffraction grating
  205.1           .. (2 indent ) Post scanning optical element
  206.1           ... (3 indent ) High distortion lens (e.g., f-Theta lens)
  207.1           ... (3 indent ) Anamorphic elements
  207.2           .... (4 indent ) Having an aspheric surface
  207.3           .... (5 indent ) Multiple aspheric surfaces
  207.4           ..... (6 indent ) Multiple symmetrical aspheric surfaces
  207.5           ..... (6 indent ) Multiple nonsymmetrical aspheric surfaces
  207.6           ... (3 indent ) Cylindrical or toric lens
  207.7           ... (3 indent ) With diffraction portion or element
  207.8           ... (3 indent ) With reflecting prism
  207.9           ... (3 indent ) Polarized beam
  207.11           ... (3 indent ) Thermal compensation
  208.1           ... (3 indent ) Concave reflector
  208.2           .... (4 indent ) Aspheric reflector
  209.1           .. (2 indent ) Transmissive type moving element
  210.1           ... (3 indent ) Moving lens
  210.2           .... (4 indent ) Rotational Lens
  211.1           ... (3 indent ) Moving prism
  211.2           .... (4 indent ) Rotating prism
  211.3           .... (5 indent ) Multiple prisms
  211.4           .... (4 indent ) With angled axis of rotation
  211.5           .... (4 indent ) Rotating element
  211.6           .... (4 indent ) With diffraction grating
  212.1           .. (2 indent ) reflective type moving element
  212.2           ... (3 indent ) Rotating reflective element
  213.1           ... (3 indent ) Oscillating reflective element
  214.1           .... (4 indent ) Single plane mirror
  215.1           .... (5 indent ) With imaging lens
  216.1           ... (3 indent ) Multifaceted rotating element
  218.1           .... (4 indent ) Having six, seven, or eight facets
  219.1           .... (4 indent ) Having five or fewer facets
  219.2           .... (4 indent ) Inclined reflective elements
  217.1           .... (4 indent ) With facet plane substantially parallel to rotating axis plane
  217.2           .... (4 indent ) With beam modulation
  217.3           .... (4 indent ) Having vibration absorbing means
  217.4           .... (4 indent ) With diffractive element
  220.1           ... (3 indent ) Rotation axis traversely oriented relative to reflective element
  221.1           ... (3 indent ) Having planar rotating reflector with co-planar axis of rotation
  221.2           . (1 indent ) With particular mount or drive for element
  221.3           .. (2 indent ) Bearing or shaft for rotary driver
  221.4           ... (3 indent ) Specific shaft material or structure (e.g., ceramic ring)
  222.1           . (1 indent ) By frustrated total internal reflection
  223.1           . (1 indent ) By moving a reflective element
  224.1           .. (2 indent ) Reflective element moved by deformable support
  224.2           ... (3 indent ) Modulated light beam
  225.1           .. (2 indent ) Pivotally or moving in circular arc
  226.1           .. (2 indent ) Rotating
  226.2           . (1 indent ) Pivotal or rotational element
  226.3           . (1 indent ) Fluid filled medium
  227           LIGHT CONTROL BY OPAQUE ELEMENT OR MEDIUM MOVABLE IN OR THROUGH LIGHT PATH
  228           . (1 indent ) Fluid
  229           . (1 indent ) With glare or flicker elimination
  230           . (1 indent ) Electro-mechanical
  231           .. (2 indent ) String or ribbon type
  232           . (1 indent ) Slit type
  233           . (1 indent ) With relative motion of two apertured elements
  234           . (1 indent ) With rotating or pivoting element (e.g., scanning discs)
  235           .. (2 indent ) Continuously rotating apertured element
  236           .. (2 indent ) Element rotates about axis perpendicular to light path
  237           OPTICAL MODULATOR
  238           . (1 indent ) Light wave temporal modulation (e.g., frequency, amplitude, etc.)
  239           .. (2 indent ) Modulator output feedback to modulator
  240           .. (2 indent ) Changing bulk optical parameter
  241           ... (3 indent ) By actinic radiation (e.g., photochromic)
  242           .... (4 indent ) Display device
  243           .... (4 indent ) Bistable device
  244           .... (4 indent ) Opto-optical device
  245           ... (3 indent ) Electro-optic
  246           .... (4 indent ) Modulation of polarized light via modulating input signal
  247           .... (5 indent ) Using reflective or cavity structure
  248           ..... (6 indent ) Semiconductor
  249           .... (5 indent ) Compensation technique
  250           .... (5 indent ) Using plural mediums
  251           .... (5 indent ) With particular direction of the field in relation to the medium, beam direction or polarization
  252           .... (5 indent ) With particular medium or state of the medium
  253           ..... (6 indent ) Liquid medium
  254           .... (5 indent ) With particular electrode structure or arrangement, or medium mounting structure or arrangement
  255           .... (5 indent ) With particular field
  256           .... (5 indent ) With birefringent element
  257           .... (5 indent ) Pockels cell
  258           .... (5 indent ) Kerr cell
  259           .... (4 indent ) Plural modulation cells
  260           .... (4 indent ) Etalon structure
  261           .... (4 indent ) Multiple reflections within cell
  262           .... (4 indent ) Excitation by electron beam
  263           .... (4 indent ) By reflection
  264           .... (4 indent ) Pulse modulation
  265           .... (4 indent ) Electrochromic
  266           .... (5 indent ) Particular nonplanar electrode arrangement
  267           .... (5 indent ) Reflection-type (e.g., display device)
  268           ..... (6 indent ) Complementary device
  269           ..... (6 indent ) Particular counter electrode
  270           ..... (6 indent ) Particular electrolyte layer
  271           ..... (6 indent ) Particular planar electrode pattern
  272           ..... (6 indent ) Liquid cell
  273           ..... (6 indent ) Particular electrochromic layer structure
  274           ..... (6 indent ) Diverse layer
  275           .... (5 indent ) Transmission-type (e.g., windows)
  276           .... (4 indent ) Amplitude modulation
  277           .... (5 indent ) Within display element
  278           .... (4 indent ) Frequency modulation
  279           .... (4 indent ) Phase modulation
  280           ... (3 indent ) Magneto-optic
  281           .... (4 indent ) Modulation of polarized light via modulating input signal
  282           .... (5 indent ) Using layered structure or plural mediums
  283           .... (5 indent ) With particular direction of the field in relation to the medium, beam direction or polarization
  284           .... (4 indent ) Amplitude modulation
  285           ... (3 indent ) Acousto-optic
  286           .... (4 indent ) Amplitude modulation
  287           .... (4 indent ) Frequency modulation
  288           ... (3 indent ) Thermo-optic
  289           .... (4 indent ) Amplitude modulation
  290           .. (2 indent ) By changing physical characteristics (e.g., shape, size or contours) of an optical element
  291           ... (3 indent ) Shape or contour of light control surface altered
  292           .... (4 indent ) Light control surface forms image on projected light beam
  293           .... (5 indent ) Electron beam causes surface alteration
  294           .... (4 indent ) Using photoconductive layer
  295           .... (4 indent ) Having multiple electrodes
  296           ... (3 indent ) Changing position or orientation of suspended particles
  297           ... (3 indent ) Light control surface formed or destroyed
  298           . (1 indent ) Light wave directional modulation (e.g., deflection or scanning is representative of the modulating signal)
  299           .. (2 indent ) Opto-optical device
  300           .. (2 indent ) Phase conjugate
  301           .. (2 indent ) Acting on polarized light
  302           ... (3 indent ) Using reflecting or cavity structure
  303           ... (3 indent ) Using more than one polarization (e.g., digital)
  304           ... (3 indent ) Using single polarization
  305           .. (2 indent ) Acousto-optic
  306           ... (3 indent ) Correlation or convolution
  307           ... (3 indent ) Utilizing optical feedback
  308           ... (3 indent ) Filter
  309           ... (3 indent ) Acting on polychromatic light
  310           ... (3 indent ) Plural cell array
  311           ... (3 indent ) Plural transducers on single cell
  312           ... (3 indent ) Single transducer generating composite plural frequency acoustic wave
  313           ... (3 indent ) Particular cell shape
  314           ... (3 indent ) Particular cell orientation
  315           .. (2 indent ) Electro-optic
  316           ... (3 indent ) Plural modulation cells
  317           ... (3 indent ) Multiple reflections within cell
  318           ... (3 indent ) By reflection
  319           ... (3 indent ) Focusing
  320           ... (3 indent ) Switching
  321           . (1 indent ) Having particular chemical composition or structure
  322           .. (2 indent ) Electro-optic crystal material
  323           ... (3 indent ) PLZT material
  324           .. (2 indent ) Magneto-optic crystal material
  325           OPTICAL DEMODULATOR
  326           OPTICAL FREQUENCY CONVERTER
  327           . (1 indent ) Raman type
  328           . (1 indent ) Harmonic generator
  329           .. (2 indent ) Third harmonic
  330           . (1 indent ) Parametric oscillator
  331           . (1 indent ) Optical laser acoustic delay line type
  332           . (1 indent ) Dielectric optical waveguide type
  333           OPTICAL AMPLIFIER
  334           . (1 indent ) Raman or Brillouin process
  335           . (1 indent ) Free electron
  336           . (1 indent ) Bistable
  337           . (1 indent ) Correction of deleterious effects
  337.1           .. (2 indent ) Spectral gain flattening or equalization
  337.11           ... (3 indent ) Feedback
  337.12           .... (4 indent ) Using number of signals
  337.13           .... (4 indent ) Adjusting input signal power
  337.2           .. (2 indent ) Filtering (e.g., noise)
  337.21           ... (3 indent ) Grating
  337.22           ... (3 indent ) Interferometer or interference
  337.3           .. (2 indent ) Additional dopant or host composition
  337.4           .. (2 indent ) Complementary, adjusting stages
  337.5           . (1 indent ) Dispersion compensation
  338           .. (2 indent ) Using phase conjugation
  339           .. (2 indent ) Using saturable or spatial filter
  340           . (1 indent ) Mode locked
  341.1           . (1 indent ) Optical fiber
  341.2           .. (2 indent ) Bi-directional
  341.3           .. (2 indent ) Pumping
  341.31           ... (3 indent ) Operating frequency
  341.32           ... (3 indent ) Radiation routing
  341.33           ... (3 indent ) With multiple systems
  341.4           .. (2 indent ) Feedback
  341.41           ... (3 indent ) Automatic Gain Control (AGC)
  341.42           ... (3 indent ) Automatic Level Control (ALC)
  341.43           ... (3 indent ) Surge protection
  341.44           ... (3 indent ) Fault detection
  341.5           .. (2 indent ) Composition (e.g., Tm, Tb, Eu, Ho, Dy, Nd)
  342           . (1 indent ) Particular active medium (e.g., crystal, plasma, fluid, etc.)
  343           .. (2 indent ) Glass (amorphous)
  344           .. (2 indent ) Semiconductor
  345           . (1 indent ) Particular pumping type (e.g., electrical, optical, nuclear, magnetic, etc.)
  346           . (1 indent ) Particular resonator cavity (e.g., scanning, confocal or folded mirrors, etc.)
  347           . (1 indent ) Multiple pass
  348           .. (2 indent ) Regenerative
  349           . (1 indent ) Beam combination or separation
  350           HAVING SIGNIFICANT INFRARED OR ULTRAVIOLET PROPERTY
  351           . (1 indent ) Having folded optical path
  352           . (1 indent ) Having polarizing element
  353           . (1 indent ) Including alternative optical path or optical element (e.g., day-night, hi-low magnification)
  354           . (1 indent ) Including continuously variable magnification or focal length (zoom lens, adjustable lens)
  355           . (1 indent ) Lens, lens system or component
  356           .. (2 indent ) Infrared lens
  357           ... (3 indent ) Having four or more components
  358           . (1 indent ) Fluid filter or fluid mirror
  359           . (1 indent ) Multilayer filter or multilayer reflector
  360           .. (2 indent ) Having metal layer
  361           . (1 indent ) Having ultraviolet absorbing or shielding property
  362           COMPOUND LENS SYSTEM
  363           . (1 indent ) With image recorder
  364           . (1 indent ) With curved reflective imaging element
  365           .. (2 indent ) Two or more in a series
  366           ... (3 indent ) Concave, convex combination
  367           . (1 indent ) Right angle inspector
  368           . (1 indent ) Microscope
  369           .. (2 indent ) With viewed screen
  370           .. (2 indent ) Interference
  371           ... (3 indent ) Using polarized light
  372           .. (2 indent ) With plural optical axes
  373           ... (3 indent ) Side-by-side fields
  374           ... (3 indent ) Plural oculars
  375           .... (4 indent ) Binocular
  376           .... (5 indent ) Stereoscopic
  377           ..... (6 indent ) With single or parallel objectives
  378           ...... (7 indent ) For viewing stereo pairs
  379           .. (2 indent ) Spacing of optical elements axially adjustable
  380           ... (3 indent ) Variable magnification
  381           .. (2 indent ) Imaging elements movable in and out of optical axis
  382           .. (2 indent ) Entire microscope adjustable along optical axis
  383           ... (3 indent ) Focus adjustment
  384           .. (2 indent ) With rotatable adjustment
  385           .. (2 indent ) Illuminator
  386           ... (3 indent ) Using polarized light
  387           ... (3 indent ) With annular lighting structure
  388           ... (3 indent ) With optical switching means
  389           ... (3 indent ) With illumination and viewing paths coaxial at the image field
  390           ... (3 indent ) With illuminator support
  391           .. (2 indent ) Stage or slide carrier
  392           ... (3 indent ) Adjustable along optical axis
  393           ... (3 indent ) With plural transverse movements
  394           ... (3 indent ) With turntable
  395           ... (3 indent ) With temperature control
  396           .. (2 indent ) Transparent slide
  397           ... (3 indent ) Reference lines or grids
  398           ... (3 indent ) Specimen cavity or chamber
  399           . (1 indent ) Telescope
  400           .. (2 indent ) With viewed screen
  401           .. (2 indent ) With image anti-rotation
  402           .. (2 indent ) Periscope
  403           ... (3 indent ) With plural optical axes
  404           .... (4 indent ) Binocular
  405           ... (3 indent ) With mechanical adjustment
  406           .... (4 indent ) Extensible structure
  407           .. (2 indent ) Binocular
  408           ... (3 indent ) Foldable or collapsible
  409           ... (3 indent ) Body supported or with handle
  410           .... (4 indent ) With focusing means
  411           .... (4 indent ) With adjustable interocular distance
  412           ... (3 indent ) With adjustable interocular distance
  413           .... (4 indent ) Oculars swing about central axis
  414           .... (5 indent ) Spacing of optical elements axially adjustable
  415           .... (4 indent ) Oculars rotate about separate axes
  416           .... (5 indent ) Spacing of optical elements axially adjustable
  417           .... (4 indent ) Spacing of optical elements axially adjustable
  418           ... (3 indent ) Spacing of optical elements axially adjustable
  419           .. (2 indent ) With plural optical axes
  420           ... (3 indent ) Plural magnification in same viewing field
  421           .. (2 indent ) Selectable magnification
  422           .. (2 indent ) Variable magnification
  423           .. (2 indent ) With relay
  424           ... (3 indent ) With reticle
  425           .. (2 indent ) Focusing or relatively sliding barrels
  426           ... (3 indent ) Internal focusing
  427           ... (3 indent ) With reticle
  428           .. (2 indent ) With reticle
  429           .. (2 indent ) With line of sight adjustment
  430           ... (3 indent ) Equatorial mount
  431           .. (2 indent ) With prism or U-shaped optical path
  432           . (1 indent ) Variable magnification
  433           . (1 indent ) With tilted lens or tilted image plane
  434           . (1 indent ) With relay
  435           .. (2 indent ) Repetitious lens structure
  436           SCALE OR INDICIA READING
  437           . (1 indent ) Polarizer
  438           . (1 indent ) Prism
  439           . (1 indent ) Mirror
  440           . (1 indent ) Lens
  441           .. (2 indent ) Movable or adjustable
  442           ... (3 indent ) Along scale or indicia
  443           PROJECTION SCREEN
  444           . (1 indent ) With sound producer
  445           . (1 indent ) Acoustical
  446           . (1 indent ) Moving during projection
  447           . (1 indent ) Tracing (e.g., camera lucida, etc.)
  448           . (1 indent ) With lens (e.g., camera obscura, etc.)
  449           . (1 indent ) With reflector or additional screen
  450           . (1 indent ) Border, mask, shade, or curtain
  451           . (1 indent ) Curved
  452           . (1 indent ) Embedded particles
  453           .. (2 indent ) Rear projection screen
  454           . (1 indent ) Unitary sheet comprising plural refracting areas
  455           .. (2 indent ) Lenticular
  456           ... (3 indent ) Rear projection screen
  457           .... (4 indent ) With Fresnel lens
  458           ... (3 indent ) Stereoscopic imaging or three dimensional imaging
  459           . (1 indent ) Unitary sheet comprising plural reflecting areas
  460           . (1 indent ) Rear projection screen
  461           . (1 indent ) Roll up screen
  462           STEREOSCOPIC
  463           . (1 indent ) Having record with lenticular surface
  464           . (1 indent ) With right and left channel discriminator (e.g., polarized or colored light)
  465           .. (2 indent ) Using polarized light
  466           . (1 indent ) Stereo-viewers
  467           .. (2 indent ) View changers
  468           ... (3 indent ) Picture moves linearly past viewing aperture
  469           .... (4 indent ) Using film strips
  470           .. (2 indent ) Compensates for camera position (e.g., plotting or mapping type)
  471           .. (2 indent ) Reflected line of sight
  472           ... (3 indent ) Pictures offset, transposed or have respective right or left sides adjacent
  473           .. (2 indent ) Ocular spacing or angle between ocular axes adjustable
  474           .. (2 indent ) Collapsible
  475           .. (2 indent ) Having illumination
  476           .. (2 indent ) Ocular to picture distance adjustable
  477           .. (2 indent ) Supporting, mounting, enclosing or light shielding structure
  478           RELIEF ILLUSION
  479           . (1 indent ) Reflected line of sight
  480           BINOCULAR DEVICES
  481           . (1 indent ) Binocular loupe type
  482           . (1 indent ) Reflected line of sight
  483.01           POLARIZATION WITHOUT MODULATION
  484.01           . (1 indent ) Polarization using a time invariant electric, magnetic, or electromagnetic field (e.g. electro-optical, magneto-optical)
  484.02           .. (2 indent ) Faraday effect
  484.03           ... (3 indent ) Isolator
  484.04           .... (4 indent ) With reflector
  484.05           ... (3 indent ) Circulator
  484.06           ... (3 indent ) Optical switch
  484.07           ... (3 indent ) Interleaver
  484.08           ... (3 indent ) Attenuator
  484.09           ... (3 indent ) Interference or comb filter
  484.1           ... (3 indent ) With particular Faraday effect material
  485.01           . (1 indent ) Polarization by reflection or refraction
  485.02           .. (2 indent ) Brewster angle polarizer (reflective or transmissive)
  485.03           .. (2 indent ) Multilayer polarizer
  485.04           ... (3 indent ) Pile-of-plates polarizer
  485.05           .. (2 indent ) Wire grid polarizer
  485.06           .. (2 indent ) Prism
  485.07           .. (2 indent ) Mirror
  486.01           . (1 indent ) Polarization (direction or magnitude) variation over surface of the medium
  486.02           .. (2 indent ) Linear variation
  486.03           .. (2 indent ) Radial variation
  487.01           . (1 indent ) Polarizarion by dichroism
  487.02           .. (2 indent ) With stain or dye
  487.03           .. (2 indent ) Wire grid polarizer
  487.04           .. (2 indent ) Wavelength-selective beamsplitter
  487.05           .. (2 indent ) Having plural elements
  487.06           .. (2 indent ) Oriented particles
  488.01           . (1 indent ) Glare prevention by discriminating against polarized light
  489.01           . (1 indent ) Polarization by birefringence
  489.02           .. (2 indent ) With compensation techniques
  489.03           ... (3 indent ) Intrinsic birefringence or photoelastic (stress) effect
  489.04           ... (3 indent ) Temperature
  489.05           ... (3 indent ) Path length
  489.06           .. (2 indent ) Form birefringent element
  489.07           .. (2 indent ) Waveplate or retarder
  489.08           .. (2 indent ) Beam deflector or splitter
  489.09           ... (3 indent ) Prism
  489.1           .... (4 indent ) Adjustible element(s)
  489.11           ... (3 indent ) Film or layer
  489.12           .... (4 indent ) Uniaxial
  489.13           .... (4 indent ) Biaxial
  489.14           .. (2 indent ) Lens
  489.15           .. (2 indent ) Plural birefringent elements
  489.16           ... (3 indent ) Three or more birefringent elements
  489.17           ... (3 indent ) In parallel
  489.18           ... (3 indent ) With lenses
  489.19           ... (3 indent ) Frequency filter or interference effects
  489.2           .. (2 indent ) Mounting structure
  490.01           . (1 indent ) By relatively adjustable superimposed or in series polarizers
  490.02           .. (2 indent ) Rotating elements
  490.03           .. (2 indent ) Translating or sliding elements
  491.01           . (1 indent ) With color filter
  492.01           . (1 indent ) Polarization by optical activity
  493.01           . (1 indent ) Polarization by scattering
  494.01           . (1 indent ) Depolarization
  503           EXTENDED SPACING STRUCTURE FOR OPTICAL ELEMENTS
  504           . (1 indent ) Wide angle (e.g., door peep)
  505           . (1 indent ) With screen or reticle in real image plane
  506           . (1 indent ) Extension of tubular element adjustable
  507           PROTECTION FROM MOISTURE OR FOREIGN PARTICLE
  508           . (1 indent ) Optical element rotates
  509           . (1 indent ) Fluid directed across optical element
  510           . (1 indent ) Microscope drape
  511           . (1 indent ) Cap or cover
  512           . (1 indent ) Humidity or temperature control
  513           . (1 indent ) Sealing
  514           .. (2 indent ) Mirror, prism or signal reflector
  515           SIGNAL REFLECTOR
  516           . (1 indent ) Body carried
  517           .. (2 indent ) Worn by hand or wrist
  518           .. (2 indent ) Permanently fixed to clothing
  519           .. (2 indent ) Worn over clothing
  520           . (1 indent ) Moving
  521           .. (2 indent ) Pedal mounted
  522           .. (2 indent ) Rotating
  523           ... (3 indent ) Spoke mounted
  524           ... (3 indent ) Tire, wheel, valve stem, hub cap, or axle mounted
  525           ... (3 indent ) Wind driven
  526           .. (2 indent ) Vibration
  527           . (1 indent ) For a signal source remote from observer
  528           . (1 indent ) Light transmitting from source behind a reflector
  529           . (1 indent ) 3-Corner retroreflective (i.e., cube corner, trihedral, or triple reflector type)
  530           .. (2 indent ) Unitary plate or sheet comprising plural reflecting elements
  531           ... (3 indent ) Mounted on roadway
  532           ... (3 indent ) Mounted adjacent roadway
  533           ... (3 indent ) Mounted on vehicle
  534           . (1 indent ) Including a curved refracting surface
  535           .. (2 indent ) Within individual indentations
  536           .. (2 indent ) Minute transparent spheres
  537           ... (3 indent ) Directional reflection (e.g., prevent viewing unless critical angle of light is used)
  538           ... (3 indent ) On flexible substrate (e.g., flexible sheeting, bumper sticker, etc.)
  539           ... (3 indent ) Mixture in liquid binder (e.g., paint, resin)
  540           ... (3 indent ) Placed on top of binder (e.g., resin, asphalt, glue, etc.)
  541           .... (4 indent ) With single transparent coating between spheres and atmosphere
  542           .. (2 indent ) Plural refracting elements formed as a unitary mass
  543           .. (2 indent ) With individual reflector element mount
  544           ... (3 indent ) Including a snap, spring clip, or spring retainer
  545           ... (3 indent ) Including a threaded member
  546           . (1 indent ) Discrete reflecting elements formed as a unitary mass
  547           .. (2 indent ) Mounted on or adjacent roadway
  548           .. (2 indent ) Mounted on vehicle
  549           . (1 indent ) Rigidly mounted on vehicle
  550           .. (2 indent ) Bicycle or motorcycle
  551           . (1 indent ) Mounted on roadway
  552           . (1 indent ) Mounted adjacent roadway
  553           . (1 indent ) Emergency or temporary reflectors (i.e., portable self standing)
  554           IMAGE STABILIZATION
  555           . (1 indent ) By movable reflective structure
  556           .. (2 indent ) Having plural reflecting surfaces
  557           . (1 indent ) By movable refractive structure
  558           DIFFRACTION
  559           . (1 indent ) Using Fourier transform spatial filtering
  560           .. (2 indent ) For convolution (cross-correlation)
  561           .. (2 indent ) For correlation
  562           .. (2 indent ) For changing zeroth order intensity
  563           .. (2 indent ) With diffraction grating
  564           .. (2 indent ) With photographic media
  565           . (1 indent ) From zone plate
  566           . (1 indent ) From grating
  567           .. (2 indent ) For ornamental effect or display
  568           .. (2 indent ) For diffractive subtractive filtering
  569           .. (2 indent ) Including particular grating characteristic
  570           ... (3 indent ) Nonplanar grating substrate (e.g., concave)
  571           ... (3 indent ) Echelette or blazed grating
  572           ... (3 indent ) Reflection grating (e.g., retrodirective)
  573           ... (3 indent ) Variable grating
  574           ... (3 indent ) With curved or geometrically shaped corrugation
  575           ... (3 indent ) With nonuniform corrugation width, spacing, or depth
  576           ... (3 indent ) Laminated or layered
  577           LIGHT INTERFERENCE
  578           . (1 indent ) Electrically or mechanically variable (e.g., tunable, adjustable)
  579           .. (2 indent ) By nonmovable driving element (e.g., piezoelectric, magnetostrictive)
  580           . (1 indent ) Produced by coating or lamina
  581           .. (2 indent ) By transmissive coating on lens
  582           .. (2 indent ) Layer having specified nonoptical property
  583           .. (2 indent ) Beam splitter or combiner
  584           .. (2 indent ) Reflector
  585           .. (2 indent ) Including metal or conductive layer
  586           .. (2 indent ) Layers having specified index of refraction
  587           ... (3 indent ) Plural layer groups lateral in parallel light paths
  588           ... (3 indent ) Filter having four or more layers
  589           .. (2 indent ) Selective wavelength transmission or reflection
  590           ... (3 indent ) Having another filter
  591           BUILDING INTERIOR ILLUMINATION WITH REFLECTED, REFRACTED OR PREDETERMINED ANGLE OF ENTRANCE OF OUTSIDE LIGHT
  592           . (1 indent ) Unitary light transmitting member comprising plural reflecting or refracting elements
  593           .. (2 indent ) Plural members in series
  594           .. (2 indent ) Elements on two sides of member
  595           .. (2 indent ) With internal reflections
  596           . (1 indent ) Slats or strips
  597           . (1 indent ) With reflection
  598           .. (2 indent ) Internal reflection in single optical element
  599           DIFFUSING OF INCIDENT LIGHT
  600           BARREL END EYE GUARD (E.G., SHIELD OR CUSHION, ETC.)
  601           GLARE OR UNWANTED LIGHT REDUCTION
  602           . (1 indent ) With mirror (e.g., mirror with glare screen, etc.)
  603           .. (2 indent ) Anti-glare mirror
  604           ... (3 indent ) Adjustable
  605           .... (4 indent ) Plural reflecting surfaces
  606           .... (5 indent ) Prismoidal
  607           .... (5 indent ) Reversible
  608           .... (4 indent ) Translucent or other semitransmitting panel selectively positioned in front of mirror
  609           . (1 indent ) Display window
  610           . (1 indent ) With blind for nonviewing eye
  611           . (1 indent ) Barrel end or lens mount shade
  612           .. (2 indent ) Collapsible or foldable
  613           . (1 indent ) Directional or angular discrimination
  614           . (1 indent ) With absorption means
  615           LIGHT DISPERSION
  616           KALEIDOSCOPE
  617           . (1 indent ) Including particles loosely housed for agitation
  618           SINGLE CHANNEL SIMULTANEOUSLY TO OR FROM PLURAL CHANNELS (E.G., LIGHT DIVIDING, COMBINING, OR PLURAL IMAGE FORMING, ETC.)
  619           . (1 indent ) By surface composed of lenticular elements
  620           .. (2 indent ) Having particular composition
  621           .. (2 indent ) Plural lenticular plates
  622           ... (3 indent ) Serially disposed along optic axis
  623           .... (4 indent ) Cylindrical lenslets
  624           .... (5 indent ) Having crossed axes
  625           .. (2 indent ) Focusing or defocusing by noncurved surfaces (e.g., prismatic, etc.)
  626           .. (2 indent ) Particular focusing or defocusing characteristic
  627           .. (2 indent ) Reflective
  628           .. (2 indent ) Noncircular cross section
  629           . (1 indent ) By partial reflection at beam splitting or combining surface
  630           .. (2 indent ) Superimposing visual information on observers field of view (e.g., head-up arrangement, etc.)
  631           ... (3 indent ) Including curved reflector
  632           ... (3 indent ) Rotatable heads-up device or combiner
  633           ... (3 indent ) With additional reflector (e.g., serial reflections, etc.)
  634           .. (2 indent ) Wavelength selective (e.g., dichroic mirror, etc.)
  635           .. (2 indent ) Drawing or plotting aid
  636           .. (2 indent ) Including full reflection and transmission of a beam at different portions of a beam divider
  637           .. (2 indent ) With path length or aberration correcting element
  638           .. (2 indent ) With partial reflection at a surface of a prism
  639           . (1 indent ) By refraction at beam splitting or combining surface
  640           .. (2 indent ) Including prismatic element
  641           COLLIMATING OF LIGHT BEAM
  642           LENS
  643           . (1 indent ) Eyepiece
  644           .. (2 indent ) Having four components
  645           .. (2 indent ) Having three components
  646           .. (2 indent ) Having two components
  647           .. (2 indent ) Having one component
  648           . (1 indent ) With field curvature shaping
  649           .. (2 indent ) Projection type
  650           ... (3 indent ) Having four components
  651           ... (3 indent ) Having less than four components
  652           . (1 indent ) With graded refractive index
  653           .. (2 indent ) Having an axial gradient
  654           .. (2 indent ) Having a radial gradient
  655           ... (3 indent ) In a variable media (e.g., gas, elastomer, etc.)
  656           . (1 indent ) Microscope objective
  657           .. (2 indent ) Having seven components
  658           .. (2 indent ) Having six components
  659           .. (2 indent ) Having five components
  660           .. (2 indent ) Having four components
  661           .. (2 indent ) Having less than four components
  662           . (1 indent ) High distortion lens (e.g., f0, etc.)
  663           . (1 indent ) Telecentric system
  664           . (1 indent ) Spherical
  665           . (1 indent ) Fluid
  666           .. (2 indent ) With variable magnification
  667           .. (2 indent ) With gas
  668           . (1 indent ) Anamorphic
  669           .. (2 indent ) With prism anamorphoser
  670           .. (2 indent ) Variable magnification anamorphoser
  671           .. (2 indent ) Having four or more components
  672           . (1 indent ) Selective magnification by exchanging or adding a lens component
  673           .. (2 indent ) To the front of a basic lens
  674           .. (2 indent ) To the middle of a basic lens
  675           .. (2 indent ) To the rear of a basic lens
  676           . (1 indent ) With variable magnification (e.g., zoom type)
  677           .. (2 indent ) Optically compensated
  678           .. (2 indent ) Prism lens type
  679           .. (2 indent ) With fixed conjugates
  680           .. (2 indent ) Reverse telephoto
  681           ... (3 indent ) Having eight or nine components
  682           ... (3 indent ) Having seven or less components
  683           .. (2 indent ) With mechanical compensation
  684           ... (3 indent ) Other than first group moves for focusing (internal focus type)
  685           ... (3 indent ) Nonlinear variator/compensator movements
  686           ... (3 indent ) Four groups
  687           .... (4 indent ) + - + + Arrangement
  688           .... (4 indent ) + - - + Arrangement
  689           ... (3 indent ) Three groups
  690           .... (4 indent ) + - + Arrangement
  691           ... (3 indent ) Two groups
  692           .... (4 indent ) + - Arrangement
  693           ... (3 indent ) With macro-type focusing
  694           .. (2 indent ) Adjusting mechanism
  695           ... (3 indent ) Three or more movable lens groups
  696           ... (3 indent ) Motor driven
  697           .... (4 indent ) Condition responsive
  698           .... (5 indent ) Auto focusing
  699           ... (3 indent ) Having cam device
  700           .... (4 indent ) Cam groove type
  701           .... (4 indent ) Cam ring type or zoom ring type
  702           ... (3 indent ) With adjustment lock
  703           ... (3 indent ) With specified mount
  704           .... (4 indent ) Having detail of barrel
  705           ... (3 indent ) With macro type focusing
  706           .... (4 indent ) With specific ring means
  707           . (1 indent ) Diffusing
  708           . (1 indent ) Including a nonspherical surface
  709           .. (2 indent ) Conical
  710           .. (2 indent ) Cylindrical
  711           .. (2 indent ) Toroidal
  712           .. (2 indent ) Paraboloidal
  713           .. (2 indent ) Having six components
  714           .. (2 indent ) Having five components
  715           .. (2 indent ) Having four components
  716           .. (2 indent ) Having three components
  717           .. (2 indent ) Having two components
  718           .. (2 indent ) Having one component
  719           ... (3 indent ) Objective for laser (e.g., optical disc, etc.)
  720           . (1 indent ) Asymmetric (e.g., prismatic or eccentric, etc.)
  721           . (1 indent ) Plural focal length
  722           . (1 indent ) Selective wavelength transmitting or blocking
  723           .. (2 indent ) With separate filter
  724           . (1 indent ) Annular zonal correcting
  725           . (1 indent ) Panoramic
  726           . (1 indent ) With reflecting element
  727           .. (2 indent ) Including concave or convex reflecting surface
  728           ... (3 indent ) With aspheric surface (e.g., Schmidt lens, etc.)
  729           .... (4 indent ) With concave and convex reflectors in series
  730           ... (3 indent ) Reflectors in series
  731           .... (4 indent ) With concave and convex reflectors in series
  732           .. (2 indent ) For producing a double pass
  733           .. (2 indent ) Multiple component lenses
  734           ... (3 indent ) Four components
  735           ... (3 indent ) Three components
  736           ... (3 indent ) Two components
  737           . (1 indent ) With diverse refracting element
  738           . (1 indent ) With light limiting or controlling means
  739           .. (2 indent ) Diaphragm
  740           ... (3 indent ) Between lens components
  741           . (1 indent ) With multipart element
  742           .. (2 indent ) Echelon (e.g., Fresnel lens, etc.)
  743           ... (3 indent ) Having curvilinear lens
  744           . (1 indent ) Afocal (e.g., Galilean telescopes, etc.)
  745           . (1 indent ) Telephoto
  746           .. (2 indent ) With five components
  747           .. (2 indent ) With four components
  748           .. (2 indent ) With less than four components
  749           . (1 indent ) Reverse telephoto
  750           .. (2 indent ) With eight components
  751           .. (2 indent ) With seven components
  752           .. (2 indent ) With six components
  753           .. (2 indent ) With five or less components
  754           . (1 indent ) Multiple component lenses
  755           .. (2 indent ) Seven components
  756           .. (2 indent ) Six components
  757           ... (3 indent ) First component positive
  758           .... (4 indent ) + - + + - + Arrangement
  759           .... (4 indent ) First two components positive
  760           .... (5 indent ) + + - - + + Arrangement
  761           ... (3 indent ) First component negative
  762           .... (4 indent ) First two components negative
  763           .. (2 indent ) Five components
  764           ... (3 indent ) First component positive
  765           .... (4 indent ) + - - + + Arrangement
  766           .... (4 indent ) + - + - + Arrangement
  767           .... (4 indent ) First two components positive
  768           .... (5 indent ) + + - - + Arrangement
  769           .... (5 indent ) + + - + + Arrangement
  770           ... (3 indent ) First component negative
  771           .. (2 indent ) Four components
  772           ... (3 indent ) First component positive
  773           .... (4 indent ) + - + - Arrangement
  774           .... (4 indent ) + - + + Arrangement
  775           .... (4 indent ) + - - + Arrangement
  776           .... (5 indent ) With multiple element component
  777           ..... (6 indent ) Infinite radius
  778           ..... (6 indent ) Having a biconvex single element component
  779           .... (4 indent ) + + - + Arrangement
  780           .... (4 indent ) + + + - Arrangement
  781           ... (3 indent ) First component negative
  782           .... (4 indent ) - + + - Arrangement
  783           .... (4 indent ) - + + + Arrangement
  784           .. (2 indent ) Three components
  785           ... (3 indent ) + - + Arrangement
  786           .... (4 indent ) With multiple element first component
  787           .... (4 indent ) With multiple element second component
  788           .... (4 indent ) With multiple element third component
  789           .... (4 indent ) With first component biconvex
  790           .... (4 indent ) With third component biconvex
  791           ... (3 indent ) + + - Arrangement
  792           ... (3 indent ) + + + Arrangement
  793           .. (2 indent ) Two components
  794           ... (3 indent ) + + Arrangement
  795           ... (3 indent ) + - Arrangement
  796           . (1 indent ) Single component with multiple elements
  797           .. (2 indent ) Three or more elements
  798           . (1 indent ) With viewed object or viewed field illumination
  799           .. (2 indent ) Illuminating beam coaxial with lens axis
  800           .. (2 indent ) Illumination through lens
  801           .. (2 indent ) With viewed object support
  802           .. (2 indent ) Magnifier
  803           ... (3 indent ) Hand held
  804           . (1 indent ) With viewed object support
  805           .. (2 indent ) On lens supporting handle
  806           .. (2 indent ) Relatively movable informatory sheet and lens (e.g., reading machine, etc.)
  807           .. (2 indent ) Flat opaque document or picture
  808           . (1 indent ) With lens casing
  809           . (1 indent ) Combined with diverse art tool, instrument or machine
  810           .. (2 indent ) Operation viewed through lens
  811           . (1 indent ) With support
  812           .. (2 indent ) With additional handle
  813           .. (2 indent ) Lens movable in its plane
  814           ... (3 indent ) Electromagnetic motive power
  815           .. (2 indent ) Body or apparel attached or carried
  816           ... (3 indent ) Monocular loupe type
  817           .. (2 indent ) Foldable or collapsible
  818           .. (2 indent ) With clamp or grip
  819           .. (2 indent ) Lens mounts
  820           ... (3 indent ) With temperature compensation or control
  821           ... (3 indent ) Plural lenses in common carrier selectively operable (e.g., turret type, etc.)
  822           ... (3 indent ) Adjustable
  823           .... (4 indent ) With axial adjustment (e.g., adjustable focus, etc.)
  824           .... (5 indent ) Electromagnetic or piezoelectric drive
  825           .... (5 indent ) Focusing ring
  826           .... (5 indent ) Sliding barrels
  827           ... (3 indent ) Detachably attached (e.g., plate, barrel, etc.)
  828           .... (4 indent ) Bayonet coupling
  829           ... (3 indent ) With threads
  830           ... (3 indent ) With ring
  831           PRISM (INCLUDING MOUNT)
  832           . (1 indent ) Fluid filled
  833           . (1 indent ) With reflecting surface
  834           .. (2 indent ) Plural reflecting surfaces
  835           ... (3 indent ) For binocular or porro-prism
  836           ... (3 indent ) Roof or roof-angle
  837           . (1 indent ) With refracting surface
  838           MIRROR
  839           . (1 indent ) With a transmitting property
  840           . (1 indent ) Back to back
  841           . (1 indent ) Retractable vehicle mirror
  842           . (1 indent ) Mounted on vehicle having handlebars (e.g., bicycle, motorcycle, etc.)
  843           . (1 indent ) Automatically adjustable in response to vehicle position, control, or indicator
  844           . (1 indent ) On adjustable diverse vehicle portion or accessory
  845           . (1 indent ) Fluid cooled mirror
  846           . (1 indent ) Including specified control or retention of the shape of a mirror surface
  847           .. (2 indent ) Membrane mirror in mechanical contact only at its edge
  848           .. (2 indent ) With structure to minimize internal mirror stress
  849           .. (2 indent ) Including a plurality of adjustable mirror supports
  850           . (1 indent ) Plural mirrors or reflecting surfaces
  851           .. (2 indent ) Composite or echelon mirrors or light concentrating array
  852           ... (3 indent ) With a line focus
  853           ... (3 indent ) Light concentrating (e.g., heliostat, etc.), concave, or paraboloidal structure
  854           .. (2 indent ) Identical side mirrors adjustable with respect to a central mirror
  855           .. (2 indent ) Identical adjacent mirrors identically supported
  856           ... (3 indent ) With successive reflections
  857           .. (2 indent ) With successive reflections
  858           ... (3 indent ) Including curved mirror surfaces in series
  859           .... (4 indent ) With concave and convex mirrors in series
  860           ... (3 indent ) To view observer
  861           ... (3 indent ) With three or more successive reflections
  862           ... (3 indent ) Including an adjustable mirror
  863           .... (4 indent ) Including a curved mirror
  864           .. (2 indent ) Including adjacent plane and curved mirrors
  865           .. (2 indent ) Relatively adjustable
  866           .. (2 indent ) Wide angle segmented mirrors
  867           . (1 indent ) Concave cylindrical or providing a line focus
  868           . (1 indent ) With mirror surface of varied radius
  869           .. (2 indent ) Concave
  870           . (1 indent ) Fracture resistant (e.g., shatterproof, etc.)
  871           . (1 indent ) With support
  872           .. (2 indent ) Mirror movable relative to support
  873           ... (3 indent ) With rotary to linear motion converting mirror adjustment
  874           .... (4 indent ) With rotation of mirror about perpendicular axes
  875           ... (3 indent ) With a rigid handle extending to or near a mirror pivot
  876           ... (3 indent ) With rotation of mirror about perpendicular axes
  877           ... (3 indent ) With switch or motor controlling mirror movement
  878           .... (4 indent ) Fluid pressure actuated
  879           ... (3 indent ) Body or apparel mirror support
  880           .... (4 indent ) Having support or apparel engaging head or neck
  881           ... (3 indent ) With mirror supporting column or sliding adjustment
  882           .. (2 indent ) With handle
  883           .. (2 indent ) Laminated or layered mirror support
  884           . (1 indent ) With selective absorption or transparent overcoating
  885           ABSORPTION FILTER
  886           . (1 indent ) Fluid
  887           . (1 indent ) Sequentially additive
  888           . (1 indent ) Neutral or graded density
  889           . (1 indent ) Movable in or out of optical path
  890           . (1 indent ) Superimposed or series
  891           . (1 indent ) Filters in optical parallel (e.g., colors side-by-side, etc.)
  892           . (1 indent ) With support or frame
  893           SCREEN (E.G., HALFTONE SCREEN, ETC.)
  894           OPTICAL APERTURE OR TUBE, OR TRANSPARENT CLOSURE
  895           . (1 indent ) Submerged object viewer
  896           MISCELLANEOUS
 
 CROSS-REFERENCE ART COLLECTIONS
 
  900           METHODS
  901           ACOUSTIC HOLOGRAPHY
  902           HOLOGRAPHIC INTERFEROMETER
  903           WITH MAGNET
  904           MICRO MIRROR
 
 FOREIGN ART COLLECTIONS
 
  FOR000           CLASS-RELATED FOREIGN DOCUMENTS
 Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
 
  FOR100           DEFLECTING USING A MOVING ELEMENT OR MEDIUM (OFFSETTING OR CHANGING AT LEAST A PORTION OF THE BEAM) (359/196)
  FOR101           . (1 indent ) Using a periodically moving element (periodic change of optically reflecting, refracting or diffracting element) (359/197)
  FOR102           .. (2 indent ) Particular mount or driver for element (359/198)
  FOR103           ... (3 indent ) Particular oscillating driver (359/199)
  FOR104           ... (3 indent ) Bearing or shaft for rotary driver (359/200)
  FOR105           .. (2 indent ) Plural moving scanning elements (359/201)
  FOR106           ... (3 indent ) X-Y scanner (359/202)
  FOR107           ... (3 indent ) Having a common axis of rotation (359/203)
  FOR108           .. (2 indent ) Utilizing plural light beams (359/204)
  FOR109           .. (2 indent ) Having particular focusing element to receive scanned light (359/205)
  FOR110           ... (3 indent ) High distortion lens (e.g., fQ lens, etc.) (359/206)
  FOR111           ... (3 indent ) Anamorphic element (359/207)
  FOR112           ... (3 indent ) Concave reflector (359/208)
  FOR113           .. (2 indent ) Including transmissive type moving element (359/209)
  FOR114           ... (3 indent ) Having moving lens (359/210)
  FOR115           ... (3 indent ) Having moving prism (359/211)
  FOR116           .. (2 indent ) Including reflective type moving element (359/212)
  FOR117           ... (3 indent ) Having oscillating element (359/213)
  FOR118           .... (4 indent ) Single plane mirror element (359/214)
  FOR119           .... (5 indent ) With imaging lens (359/215)
  FOR120           ... (3 indent ) Having multifaceted rotating element (359/216)
  FOR121           .... (4 indent ) With facets parallel to rotation axis (359/217)
  FOR122           .... (5 indent ) Having six, seven, or eight facets (359/218)
  FOR123           .... (5 indent ) Having five or fewer facets (359/219)
  FOR124           ... (3 indent ) Having planar rotating reflector with transverse rotation axis (359/220)
  FOR125           ... (3 indent ) Having planar rotating reflector with rotation axis in its plane (359/221)
  FOR126           . (1 indent ) By frustrated total internal reflection (359/222)
  FOR127           . (1 indent ) By moving a reflective element (359/223)
  FOR128           .. (2 indent ) Reflective element moved by deformable support (359/234)
  FOR129           .. (2 indent ) Pivoting or moving in circular arc (359/225)
  FOR130           .. (2 indent ) Rotating (359/226)
  FOR131           POLARIZATION WITHOUT MODULATION (359/483)
  FOR132           . (1 indent ) Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical) (359/484)
  FOR133           . (1 indent ) Light polarization without any external input (359/485)
  FOR134           .. (2 indent ) By grid or dipoles (359/486)
  FOR135           .. (2 indent ) By reflection or refraction (e.g., Brewster angle) (359/487)
  FOR136           ... (3 indent ) With particular medium (359/488)
  FOR137           .. (2 indent ) Polarization (direction or magnitude) varies over surface of the medium (e.g., vectograph) (359/489)
  FOR138           .. (2 indent ) By dichroic medium (359/490)
  FOR139           ... (3 indent ) Stain or dye (359/491)
  FOR140           ... (3 indent ) Oriented particles (359/492)
  FOR141           .. (2 indent ) Glare prevention by discriminating against polarized light (359/493)
  FOR142           .. (2 indent ) By birefringent element (359/494)
  FOR143           ... (3 indent ) For beam deflection or splitting (359/495)
  FOR144           ... (3 indent ) Prisms (359/496)
  FOR145           ... (3 indent ) Using plural elements (359/497)
  FOR146           .... (4 indent ) Frequency filter or interference effects (359/498)
  FOR147           .... (4 indent ) Using compensation techniques (359/499)
  FOR148           ... (3 indent ) With particular material or mounting structure (359/500)
  FOR149           .. (2 indent ) By relatively adjustable superimposed or in series polarizers (359/501)
  FOR150           .. (2 indent ) With color filter (359/502)


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This data is current as of December/2011