CLASS 385, OPTICAL WAVEGUIDES |
1 | TEMPORAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE: |
This subclass is indented under the class definition. Subject matter wherein a device varies a property of light
as a function of time only as it traverses the waveguide where such
variation is in accordance with a varying signal which can be of
any energy form.
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2 | . Electro-optic: |
This subclass is indented under subclass 1. Subject matter wherein the optical properties of an optical
waveguiding element which determine the temporal modula-tion are
varied by an applied modulating electrical field.
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3 | .. Phase modulation type: |
This subclass is indented under subclass 2. Subject matter wherein the normal zero phase of a constant
amplitude optical wave (i.e., carrier wave) is shifted by an angle
proportional to the amplitude of an impressed signal (i.e., modulating
signal).
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4 | DIRECTIONAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE: |
This subclass is indented under the class definition. Subject matter wherein the path of a light wave exiting
a waveguide is varied in accordance with a varying signal applied
to the waveguide which can be of any energy form.
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5 | . Light intensity dependent (e.g., nonlinear ef-fects): |
This subclass is indented under subclass 4. Subject matter wherein the directional modulation is a
function of the amplitude of the incident light wave itself.
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6 | . Magneto-optic: |
This subclass is indented under subclass 4. Subject matter wherein properties of an optical waveguiding
element which determine the directional modulation are con-trolled
by a modulating magnetic field applied to the element.
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7 | . Acousto-optic: |
This subclass is indented under subclass 4. Subject matter wherein proper-ties of an optical waveguiding
element which determine the directional modulation are con-trolled
by a modulating sonic wave applied to the element.
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8 | . Electro-optic: |
This subclass is indented under subclass 4. Subject matter wherein the optical properties of an optical
waveguiding element which determine the directional modution are
changed by a modulating electrical field applied to the element.
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9 | .. Coupling between waveguides: |
This subclass is indented under subclass 8. Subject matter wherein coupling between juxtaposed optical
transmission elements achieves electro-optic directional modulation.
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10 | .. Diffraction grating (e.g., Bragg): |
This subclass is indented under subclass 8. Subject matter wherein electro-optic directional modulation
within a waveguide utilizes an element having a series of very close,
equidistant, parallel lines, (i.e., grating) or wherein the waveguide
has a grating impressed upon it by an externally applied field.
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11 | POLARIZATION WITHOUT MODULATION: |
This subclass is indented under the class definition. Subject matter wherein the polarization of an incoming light
wave is modified as a result of passing through an optical waveguiding
element.
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12 | OPTICAL WAVEGUIDE SENSOR: |
This subclass is indented under the class definition. Subject matter where-in an optical waveguide, per se, is
responsive to an environmental change.
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13 | . Including physical deformation or movement of waveguide: |
This subclass is indented under subclass 12. Subject matter wherein the environmental change to be detected
produces an alteration in the shape or position of the waveguide.
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14 | INTEGRATED OPTICAL CIRCUIT: |
This subclass is indented under the class definition. Subject matter wherein a combination of transparent, elongated
structures or components are formed on a common substrate or chip
of monolithic or hybrid construction.
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15 | WITH OPTICAL COUPLER: |
This subclass is indented under the class definition. Subject matter wherein an optical waveguide is combined
with an interface element which enables efficient transfer of light between
the waveguide and a point external to the interface element.
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16 | . Switch (i.e., switching from one terminal to another, not modulation): |
This subclass is indented under subclass 15. Subject matter wherein the output of an optical waveguide
is selectively coupled to the input of a different optical waveguide.
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17 | .. Matrix switch (i.e., M X N, where M and N are 3 or more): |
This subclass is indented under subclass 16. Subject matter wherein a plurality of switches can selectively couple light on any of M input waveguides to any of N output waveguides where the M input waveguides and the N output waveguides form a rectilinear array. | |
18 | .. Reflective-type switch: |
This subclass is indented under subclass 16. Subject matter wherein selective coupling of light between
waveguides is achieved by mirror or mirrorlike elements.
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19 | .. Stationary waveguides with movable opaque element: |
This subclass is indented under subclass 16. Subject matter wherein an optically nontransmissive device
moving into or out of the optical path between stationary waveguides provides
the switching effect.
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20 | .. Multiple pole multiple throw: |
This subclass is indented under subclass 16. Subject matter wherein the optical switch operates to selectively
couple light between a plurality of input waveguides and any one
of their respective plurality of output waveguides.
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21 | ... Double pole multiple throw: |
This subclass is indented under subclass 20. Subject matter wherein the optical switch operates to selectively
couple light between a pair of input waveguides and any one of their respective
plurality of output waveguides.
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22 | .. Single pole multiple throw (relay switch): |
This subclass is indented under subclass 16. Subject matter wherein the optical switch operates to selectively couple light from a single input waveguide to any one of a plurality of output waveguides. | |
23 | .. Single pole single throw: |
This subclass is indented under subclass 16. Subject matter wherein the optical switch operates to selectively couple light from a single input waveguide to a single output waveguide. | |
24 | . Plural (e.g., data bus): |
This subclass is indented under subclass 15. Subject matter wherein an optical waveguide is used as a
common trunk line to which a number of terminals can be interconnected
through optical couplers.
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25 | . Movable coupler: |
This subclass is indented under subclass 15. Subject matter wherein the coupler may be repositioned about a fixed optical waveguide. | |
26 | .. Slip ring: |
This subclass is indented under subclass 25. Subject matter having a structure which permits coupling
of light during relative rotary motion of elements contained therein.
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27 | . Particular coupling function: |
This subclass is indented under subclass 15. Subject matter wherein the coupling achieves a specified operation on the light entering or exiting the waveguide. | |
28 | .. Coupling between modes in a waveguide or fiber: |
This subclass is indented under subclass 27. Subject matter wherein coupling is achieved between light modes in an optical waveguide. | |
29 | ... Mode strippers: |
This subclass is indented under subclass 28. Subject matter wherein a particular mode or modes of light propagating in a waveguide is extracted by a coupler. | |
30 | .. Evanescent wave coupling: |
This subclass is indented under subclass 27. Subject matter wherein the desired coupling function is
achieved by matching the propagation constants of light travelling
in coupled waveguides (also resulting in overlapping evanescent
fields).
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31 | . Input/output coupler: |
This subclass is indented under subclass 15. Subject matter including an element which permits efficient
transfer of light into or out of the waveguide.
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32 | .. Coupling light through a waveguide bend or loop: |
This subclass is indented under subclass 31. Subject matter wherein light is coupled into or out of an optical waveguide through a curved portion whose radius of curvature is smaller than that required to confine light therein. | |
33 | .. Lens: |
This subclass is indented under subclass 31. Subject matter wherein the coupling element focuses light
by refraction.
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34 | ... Rod type: |
This subclass is indented under subclass 33. Subject matter wherein the coupling lens has the form of an elongated cylinder. | |
35 | ... Spherical: |
This subclass is indented under subclass 33. Subject matter wherein the coupling lens has the form of a globe. | |
36 | .. Prism: |
This subclass is indented under subclass 31. Subject matter wherein coupling is performed by a double
refracting element.
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37 | .. Grating: |
This subclass is indented under subclass 31. Subject matter wherein coupling is performed by a diffraction
grating.
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38 | .. End fire: |
This subclass is indented under subclass 31. Subject matter wherein the coupler comprises the optical medium immediately adjacent one end of the waveguide. | |
39 | . Particular coupling structure: |
This subclass is indented under subclass 15. Subject matter wherein details of the structure of the coupler
are recited.
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40 | .. Electrodes on or near the coupling region: |
This subclass is indented under subclass 39. Subject matter wherein electrically conductive terminals
are adjacent to an optical energy transfer zone.
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41 | ... Directional coupler: |
This subclass is indented under subclass 40. Subject matter wherein interconnected optical paths of a
coupler are externally activated to enable input on a first optical
path to be coupled only to a second optical path for optical beam
transmission, and a received optical beam on a third optical
path is coupled only to the first optical path.
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42 | .. Directional coupler: |
This subclass is indented under subclass 39. Subject matter wherein interconnected optical paths of a
coupler enable input on a first optical path to be coupled only
to a second optical path for optical beam transmission and a received
optical beam on a third optical path is coupled only to the first
optical path.
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43 | .. Tapered coupler: |
This subclass is indented under subclass 39. Subject matter wherein a physical dimension or optical characteristic
of the waveguide core or cladding increases or decreases continuously with
distance along the axis of the guide, and wherein this
increase or decrease in dimension is essential to the coupling function.
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44 | .. "T" coupler or duplex coupler: |
This subclass is indented under subclass 39. Subject matter wherein the coupler has two perpendicular waveguide legs forming a tee which connects an input port to two output ports or two input ports to a single output port. | |
45 | .. "Y" coupler: |
This subclass is indented under subclass 39. Subject matter wherein the coupler has three waveguide legs
joined at the center in a "Y" shape which connects an input port
to two output ports or two input ports to a single output port.
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46 | .. Star coupler: |
This subclass is indented under subclass 39. Subject matter wherein a passive coupler distributes light
from one or more input waveguides among a larger number of output waveguides.
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47 | .. Multiport coupler using reflective surface: |
This subclass is indented under subclass 39. Subject matter wherein an optical beam is coupled to plural
zones by mirror type elements.
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48 | .. Access couplers, power tappers, or power dividers: |
This subclass is indented under subclass 39. Subject matter wherein the coupler structure permits optical linking with a waveguide without providing a load thereto. | |
49 | .. Fiber to thin film devices: |
This subclass is indented under subclass 39. Subject matter wherein at least one optical fiber and at
least one thin film optical device are coupled to allow efficient
light propagation therebetween.
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50 | .. Waveguide to waveguide: |
This subclass is indented under subclass 39. Subject matter wherein two or more optical waveguides are
coupled to allow efficient light propagation therebetween.
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51 | . Permanently fixed coupler: |
This subclass is indented under subclass 15. Subject matter wherein the optical waveguide and coupler
are physically joined together by a permanent connection (e.g., welding, epoxy, or adhesive
putty).
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52 | . With alignment device: |
This subclass is indented under subclass 15. Subject matter including a device which maintains the mutual
spatial orientation between coupled waveguides.
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53 | WITH DISENGAGEABLE MECHANICAL CONNECTOR: |
This subclass is indented under the class definition. Subject matter wherein an optical fiber or optical fiber
bundle is combined with structure utilized in the reversible mechanical
joining of the fiber or bundle with another such combination or
with an individual fiber, bundle, or broadly recited
optical device.
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54 | . Structure surrounding optical fiber bundle-to-bundle connection: |
This subclass is indented under subclass 53. Subject matter wherein the joining of a fiber bundle to
another is secured by a device enveloping the junction.
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55 | . Structure surrounding optical fiber-to-fiber connection: |
This subclass is indented under subclass 53. Subject matter wherein the joining of an individual fiber
to another is secured by an element enveloping the junction.
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56 | .. Multi-part (e.g., two pieces screwed together or bayonet latched): |
This subclass is indented under subclass 55. Subject matter wherein the enveloping element consists of a plurality of interengaging parts each associated with an individual fiber. | |
57 | ... Magnetically actuated: |
This subclass is indented under subclass 56. Subject matter wherein the multi-part connection is achieved by applying a magnetic field. | |
58 | ... With additional structure at or immediately surrounding each optical fiber end face: |
This subclass is indented under subclass 56. Subject matter including details of structure at or near the terminal surface of a fiber contained within the connector. | |
59 | .... Plural fiber-to-fiber connections: |
This subclass is indented under subclass 58. Subject matter wherein pairs of corresponding multiple fibers are connected in a specified manner. | |
60 | .... Fiber end held in ferrule: |
This subclass is indented under subclass 58. Subject matter wherein one end of the fiber is contained in a strengthening terminal element having an aperture comparable in size to the fiber cross-sectional diameter. | |
61 | ..... Lens-shaped ferrule: |
This subclass is indented under subclass 60. Subject matter wherein the ferrule is transparent and has
a refracting outer surface.
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62 | ..... Compressively fixed (e.g., chuck, collet, crimp, set screws, etc.): |
This subclass is indented under subclass 60. Subject matter wherein the fiber is locked in place within the ferrule by applying mechanical pressure. | |
63 | ..... Plate-type holding structure (e.g., jewel): |
This subclass is indented under subclass 60. Subject matter wherein the ferrule has a planar surface
through which the fiber passes.
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64 | ..... Plural rods or balls structure: |
This subclass is indented under subclass 60. Subject matter wherein the ferrule includes multiple elongated or spherical components. | |
65 | ..... Groove-type holding structure: |
This subclass is indented under subclass 60. Subject matter wherein the fiber is supported within the ferrule by a structure having a surface recess parallel to the long axis of the fiber. | |
66 | ..... Tube-type holding structure: |
This subclass is indented under subclass 60. Subject matter wherein the fiber is supported within the ferrule by a cylindrical structure. | |
67 | ...... Eccentric arrangement: |
This subclass is indented under subclass 66. Subject matter wherein the tube is arranged so that its longitudinal axis is parallel to, but spaced from, the longitudinal axis of the ferrule; thereby, making it off-center with respect to the ferrule. | |
68 | ...... Capillary tubes: |
This subclass is indented under subclass 66. Subject matter wherein the tube holding the fiber has a bore which is just slightly larger than the diameter of the fiber itself. | |
69 | ... With additional structure rearward of fiber joint to secure additional cable layers: |
This subclass is indented under subclass 56. Subject matter which includes structure offset from the
fiber joint in a direction along the fiber axis where such structure
prevents undesired motion of layers concentric with and outside
of the fiber itself.
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70 | .. With additional structure at or immediately surrounding each optical fiber end face: |
This subclass is indented under subclass 55. Subject matter detailing structure at or near the terminal
surface of a fiber contained within the connector.
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71 | ... Plural fiber-to-fiber connections: |
This subclass is indented under subclass 70. Subject matter wherein the fiber structures joined each include multiple fibers. | |
72 | ... Fiber end held in ferrule: |
This subclass is indented under subclass 70. Subject matter wherein the terminal edge of a fiber is supported and protected by an element which has an opening for the fiber. | |
73 | .. With additional optical element between facing fiber ends: |
This subclass is indented under subclass 55. Subject matter wherein there is a component performing an
optical function which is located between the fiber and its mating
fiber.
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74 | ... Lens: |
This subclass is indented under subclass 73. Subject matter wherein the optical component focuses transiting
light waves.
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75 | .. With additional nonoptical structure: |
This subclass is indented under subclass 55. Subject matter including supplemental structure not having
an optical function.
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76 | . Optical fiber/optical fiber cable termination structure: |
This subclass is indented under subclass 53. Subject matter detailing structure situated at the end of one fiber or fiber cable which is to form one half of the optical junction. | |
77 | .. At or immediately surrounding an optical fiber end face: |
This subclass is indented under subclass 76. Subject matter detailing structure at or concentric with the terminal surface of a fiber. | |
78 | ... Fiber end held in ferrule: |
This subclass is indented under subclass 77. wherein one end of the fiber is contained in a strengthening terminal element having an aperture comparable in size to the fiber cross-sectional diameter. | |
79 | .... Lens-shaped ferrule: |
This subclass is indented under subclass 78. Subject matter wherein the ferrule is shaped in such a fashion
that it focuses light at a predetermined point.
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80 | .... Adhesively fixed: |
This subclass is indented under subclass 78. Subject matter wherein the fiber is secured to the ferrule
with glue.
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81 | .... Compressively fixed (chuck, collet, crimp, set screw, etc.): |
This subclass is indented under subclass 78. Subject matter wherein the fiber is secured to the ferrule by a structure providing mechanical pressure. | |
82 | .... Plural rods or balls structure: |
This subclass is indented under subclass 78. Subject matter wherein the ferrule includes multiple elongated or spherical components. | |
83 | .... Groove-type holding structure: |
This subclass is indented under subclass 78. Subject matter wherein the fiber is supported in a structure which has a recessed slot parallel to the longitudinal axis of the fiber. | |
84 | .... Tube-type holding structure: |
This subclass is indented under subclass 78. Subject matter wherein the fiber is supported within the
ferrule by a cylindrical structure.
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85 | .... Fiber/ferrule further processed (grinding, polishing, etc.): |
This subclass is indented under subclass 78. Subject matter including treatment of the fiber/ ferrule
assembly.
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86 | .. Structure rearward of optical fiber end face to secure additional fiber or cable layers: |
This subclass is indented under subclass 76. Subject matter which includes structure offset from the fiber end in a direction along the fiber axis where such structure prevents undesired motion of layers concentric with and outside of the fiber itself. | |
87 | ... Having at least one layer compressively fixed (e.g., crimp, tightening screws, etc.): |
This subclass is indented under subclass 86. Subject matter wherein a layer is secured by a structure which exerts a mechanical pressure thereupon. | |
88 | . Optical fiber to a nonfiber optical device connector: |
This subclass is indented under subclass 53. Subject matter wherein a device for mechanically joining
a fiber to an additional optical device is recited.
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89 | .. Plural fiber/device connections: |
This subclass is indented under subclass 88. Subject matter detailing connection between single fiber to plural de-vices, plural fibers to a single device, or a plurality of paired fiber/device connections. | |
90 | .. Fiber adjustable relative to device: |
This subclass is indented under subclass 88. Subject matter including structure to reposition the fiber relative to the device. | |
91 | ... Fiber permanently fixed after adjustment: |
This subclass is indented under subclass 90. Subject matter wherein the fiber is locked in place relative to the second device, for example, by adhesive means or by soldering, etc. | |
92 | .. With housing: |
This subclass is indented under subclass 88. wherein the connec-tion is enclosed in a protective
structure.
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93 | ... Including lens: |
This subclass is indented under subclass 92. Subject matter wherein the housing incorporates a focusing
device therein.
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94 | ... Sealed from environment: |
This subclass is indented under subclass 92. Subject matter wherein the housing provides a hermetic barrier between the connection and ambient conditions. | |
95 | WITH SPLICE (PERMANENT CONNEC-TION): |
This subclass is indented under the class definition. Subject matter where-in two fibers are joined together
in such a fashion that they may not be subsequently separated.
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96 | . Fusion splicing: |
This subclass is indented under subclass 95. Subject matter wherein the splice is formed by high temperature melting and rejoining. | |
97 | . Alignment of fiber ends prior to splicing: |
This subclass is indented under subclass 95. Subject matter wherein a particular orientation between the fibers to be spliced is specified. | |
98 | .. End-to-end (butt) coupling: |
This subclass is indented under subclass 97. Subject matter wherein the two fibers are colinear and are joined end-to-end. | |
99 | . Including splice joint reinforcement: |
This subclass is indented under subclass 95. Subject matter wherein structure is provided to strengthen the spliced connection. | |
100 | OPTICAL TRANSMISSION CABLE: |
This subclass is indented under the class definition. Subject matter wherein an optical fiber or fibers are incorporated
into an assembly that provides tensile strength and external protection
for the fibers.
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101 | . With electrical conductor in the same cable: |
This subclass is indented under subclass 100. Subject matter wherein the optical cable additionally contains
an electrical conductor therein.
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102 | . Tightly confined (i.e., fiber tightly held inside the outer sheath): |
This subclass is indented under subclass 100. Subject matter wherein adjacent optical fiber or fibers
have their collective movement restricted by a surrounding sheath
and strength element of the cable.
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103 | .. Having a central strength member: |
This subclass is indented under subclass 102. Subject matter wherein the tightly confined cable includes
at its center an element which prevents excessive cable bending.
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104 | .. Particular fiber orientation (e.g., helically wound, etc.): |
This subclass is indented under subclass 102. Subject matter wherein the fibers within a cable have a specified spatial interrelationship (for example, helically wound, S-Z stranded, etc.). | |
105 | .. Compartmentalized: |
This subclass is indented under subclass 102. Subject matter wherein the optical fibers within a cable
are grouped and each group is kept distinct by a separator.
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106 | .. Plural unit type(plural complete cables within a single outside sheath): |
This subclass is indented under subclass 102. Subject matter wherein multiple complete cables are confined
within a single outside sheath.
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107 | .. With armoring: |
This subclass is indented under subclass 102. Subject matter wherein the optical fibers of the cable are encased in a concentric metallic sleeve or in a sleeve made of a plurality of armor wires. | |
108 | ... Prestressed: |
This subclass is indented under subclass 107. Subject matter wherein the armoring is mechanically stressed
prior to application to the cable.
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109 | . Loose tube type: |
This subclass is indented under subclass 100. Subject matter wherein the individual fibers within a transmission
cable are loosely confined within an outer elongated sheathing structure.
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110 | .. Compartmentalized: |
This subclass is indented under subclass 109. Subject matter wherein the optical fibers within a cable
are grouped and each group is kept distinct by a separator.
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111 | .. Particular fiber orientation: |
This subclass is indented under subclass 109. Subject matter wherein the fibers are placed within the tube in a particular spatial interrelationship (e.g., helically wound, s-z stranded, etc.). | |
112 | .. Plural unit type: |
This subclass is indented under subclass 109. Subject matter wherein multiple optical loose tube cables
are placed together into one large cable.
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113 | .. With strength member: |
This subclass is indented under subclass 109. Subject matter wherein the optical cable includes an element
preventing excessive bending thereof.
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114 | . Ribbon cable: |
This subclass is indented under subclass 100. Subject matter wherein a cable is formed of plural parallel
optical fibers lying in a single plane.
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115 | OPTICAL FIBER BUNDLE: |
This subclass is indented under the class definition. Subject matter wherein an assemblage of individual optical
fibers are placed adjacent one another to guide light collectively.
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116 | . Imaging (i.e., with coherent fiber structure and includes shaping, enhancing, and correcting): |
This subclass is indented under subclass 115. Subject matter wherein images can be transmitted through
a fiber bundle by having the individual fiber ends similarly arranged
at opposite bundle ends.
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117 | .. For fiber scope (endoscope): |
This subclass is indented under subclass 116. Subject matter wherein the imaging fiber bundle is used
in an instrument to transmit an image of a remote location to the
viewing end of the fiber bundle.
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118 | ... With manipulator: |
This subclass is indented under subclass 117. Subject matter wherein the fiber scope is combined with
structure for manipulation thereof (i.e., sideways, rotational
or longitudinal movement).
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119 | .. With lens or mirror: |
This subclass is indented under subclass 116. Subject matter wherein the imaging bundle is combined with
an element having two refracting edges or is combined with a reflective device.
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120 | . Fiber bundle plate: |
This subclass is indented under subclass 115. Subject matter wherein the plural fibers are terminated
in a single planar structure.
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121 | . Transition between geometric shapes: |
This subclass is indented under subclass 115. Subject matter wherein the fibers in the bundle are geometrically distributed to match the shape of an additional waveguiding structure with which the bundle is to interact. | |
122 | HAVING NONLINEAR PROPERTY: |
This subclass is indented under the class definition. Subject matter wherein an optical waveguide material having
a strong second (or higher) order response function
to optical radiation is recited.
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123 | OPTICAL FIBER WAVEGUIDE WITH CLADDING: |
This subclass is indented under the class definition. Subject matter wherein a low refractive index sheathing
or covering surrounds a higher index of refraction core of an optical
fiber, in order to confine light in the core by means of total
internal reflection.
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124 | . With graded index core or cladding: |
This subclass is indented under subclass 123. Subject matter wherein the index of refraction of the core or cladding material varies axially or radially. | |
125 | . Utilizing nonsolid core or cladding: |
This subclass is indented under subclass 123. Subject matter wherein the core or cladding material is a liquid or gas. | |
126 | . Utilizing multiple core or cladding: |
This subclass is indented under subclass 123. Subject matter wherein a single waveguide includes plural cladding or core layers. | |
127 | .. Concentric: |
This subclass is indented under subclass 126. Subject matter wherein the various core and cladding layers are nested cylinders. | |
128 | ... Where the second or further layer is a coating: |
This subclass is indented under subclass 127. Subject matter wherein a coating having no optical property
forms an external protective layer around the core.
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129 | PLANAR OPTICAL WAVEGUIDE: |
This subclass is indented under the class definition. Subject matter wherein the optically conductive material
includes a flat surface confining the optical beam therein.
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130 | . Thin film optical waveguide: |
This subclass is indented under subclass 129. Subject matter wherein the structure that is used to confine
and guide the light through modal transmission is a dielectric rib, planar, or channel
waveguide.
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131 | .. Multilayer structure (mixture): |
This subclass is indented under subclass 130. Subject matter wherein the optical waveguide is formed from
a plurality of layers for the transmission of light therethrough.
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132 | .. Channel waveguide: |
This subclass is indented under subclass 130. Subject matter wherein the waveguide consists of a channel or depression in the deposited dielectric providing a light path therethrough. | |
133 | OPTICAL IMAGING TUNNEL: |
This subclass is indented under the class definition. Subject matter wherein an optical device having internally
reflecting inner walls is capable of producing multiple images of
a point source.
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134 | ACCESSORIES: |
This subclass is indented under the class definition. Subject matter which are devices particularly adapted to
be used with optical fibers or other waveguide structures.
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135 | . Splice box and surplus fiber storage/trays/organizers/carriers: |
This subclass is indented under subclass 134. Subject matter wherein a structure is provided in which
one or more fibers may be organized and placed in their required
position for proper coupling of optical energy between them.
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136 | . External retainer/clamp: |
This subclass is indented under subclass 134. Subject matter wherein an external device is used to provide
support to an optical fiber, cable, fiber bundle, or
waveguide.
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137 | .. Fiber holder (i.e., for single fiber or holding multiple single fibers together): |
This subclass is indented under subclass 136. Subject matter wherein the retainer is particularly adapted
to hold a single fiber or to hold plural single fibers together.
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138 | . Bushing structure (e.g., penetrator): |
This subclass is indented under subclass 134. Subject matter wherein the accessory is an element insertable
through a structure and this accessary forms a lining in the opening
thereby protecting an optical fiber or cable passing therethrough.
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139 | . Plug/termination device: |
This subclass is indented under subclass 134. Subject matter wherein the accessory is an element protecting
the end of an optical fiber from the environment.
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140 | . Attenuator: |
This subclass is indented under subclass 134. Subject matter involving a device which reduces the intensity
of light entering or exiting a waveguide.
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141 | HAVING PARTICULAR OPTICAL CHARACTERISTIC MODIFYING CHEMICAL COMPOSITION: |
This subclass is indented under the class definition. Subject matter wherein chemical structure which changes
a particular light wave parameter is recited.
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142 | . Of waveguide core: |
This subclass is indented under subclass 141. Subject matter wherein the chemical details of the central light conveying portion of the waveguide which has a relatively high refractive index are recited. | |
143 | .. Organic: |
This subclass is indented under subclass 142. Subject matter wherein the composition includes carbon. | |
144 | . Of waveguide cladding: |
This subclass is indented under subclass 141. Subject matter wherein the chemical details of the concentric coating which has a relatively low refractive index and which immediately surrounds the waveguide core are recited. | |
145 | .. Organic: |
This subclass is indented under subclass 144. Subject matter wherein the composition includes carbon. | |
146 | NONCYLINDRICAL OR NONPLANAR SHAPED WAVEGUIDE: |
This subclass is indented under the class definition. Subject matter wherein the cross section of the waveguide is neither circular nor flat. | |
147 | MISCELLANEOUS: |
This subclass is indented under the class definition. Subject matter not provided for in any of the preceding subclasses. | |
900 | SOLAR COLLECTOR OR TRANSMITTER: |
Art collection relating to devices for the gathering or distribution of light from the sun which utilize optical waveguides. | |
901 | ILLUMINATING OR DISPLAY APPARATUS: |
Art collection of optical waveguides utilized in lighting or sign-type devices. | |
902 | NONBUNDLE FIBERSCOPE DEVICES: |
Art collection of viewing devices of diverse utility which are formed from other than an optical fiber bundle. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |