Manual of U.S. Patent Classification
as of June 30, 2000

Class
396
PHOTOGRAPHY

Class definitions may be accessed by clicking on the class title, above.
Subclass definitions may be accessed by clicking on the subclass number, below.

Patents classified in a subclass may be accessed by clicking on the " " icon following the subclass number, below.

( please note that links to definitions and classified patents may not be available for some classes and subclasses )

For search strategies, please refer to the Classification Index Explanation of Data web page.

Subclass		Title
ClassTitle		===> PHOTOGRAPHY
1		STUDIO STRUCTURE
2		. Photo booth
3		. Background or foreground
4		. Lighting
5		. Object support
6		DISPOSABLE OR RECYCLABLE CAMERA
7		AERIAL CAMERA
8		. Having shutter or film feed speed and air or spin speed synchronizing
9		. Simultaneous recording of plural images
10		. . Plural images recorded on plural film
11		. Including continuously moving film
12		. Support or holder
13		. . Having stabilizing (e.g., gyroscope, etc.)
14		BODY EXAMINATION PHOTOGRAPHY
15		. Skin ridge pattern (e.g., fingerprint)
16		. Mouth, jaw, or tooth
17		. Endoscope
18		. Eye photography
19		HOLLOW CAVITY TYPE
20		SCANNING CAMERA
21		. Including reflector
22		. Concave film surface
23		. Convex film surface
24		. Synchronization of film and camera movement
25		UNDERWATER, WATERPROOF, OR WATER-RESISTANT CAMERA
26		. Fluid pressure detection or modification
27		. Camera removable from handheld casing
28		. Having illumination device
29		. Handheld camera
30		SELF-DEVELOPING CAMERA
31		. Including means to treat superimposed material
32		. . Including pressure means
33		. . . Roller
34		. . . . Light shield
35		. . . . Tab
36		. . . . Ejecting
37		. . . . . Having pick
38		. . . . Exposed photographic medium engaging or holding
39		. . . . . Holding chamber
40		. . . . Mechanical detail of roller or roller drive
41		. . . . Operating on rolled material
42		. Including fluid applicator
43		. Including film processing tank
44		. . And means to move film
45		. . . Having tank filling means
46		. . . Operating on rolled photographic medium
47		. . . Plural tanks
48		CONTROL CIRCUIT FOR SEQUENCING AT LEAST THREE FUNCTIONS
49		SELF-ORGANIZING SYSTEM
50		ATTITUDE SENSING
51		EYE TRACKING
52		CAMERA SHAKE SENSING
53		. With accelerometer
54		. With photoarray
55		. Having stabilization system
56		HAVING WIRELESS REMOTE CONTROL CIRCUIT
57		. Camera system data/mode entry
58		. Camera aiming
59		. Camera release
60		PSEUDO ZOOM
61		FLASH SYSTEM RESPONSIVE TO FOCAL LENGTH OR DISTANCE
62		. Illumination angle responds to focal length or distance
63		EXPOSURE CONTROL SYSTEM RESPONSIVE TO FOCAL LENGTH
64		. Control of full open aperture value
65		EXPOSURE CONTROL SYSTEM RESPONSIVE TO DISTANCE
66		. With linear solenoid or rotary motor
67		. Electric distance signal
68		. Selective guide number
69		. Low light activated
70		. Having indicator
71		HAVING LENS CONVERTER OR EXTENSION TUBE
72		HAVING VARIABLE FOCAL LENGTH OF CAMERA OBJECTIVE
73		. Lens moves in or out of light path
74		. . Turret type
75		. . Motorized lens displacement
76		. Manually selected preset zoom position or range
77		. Automatic change of focal length
78		. . Constant image size
79		. Having focus operation
80		. . Including focus/distance detecting circuit
81		. . . And focal length responsive memory
82		. . . Focus position adjusted according to focal length
83		. . Having mechanical interlock
84		. Having direct viewfinder
85		. Power zoom
86		. . Speed control or step driving
87		. . Having position sensor
88		. Having indicator
89		WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS
90		. Lens resetting
91		. Lens characteristic compensating
92		. . By selecting effective photoelements
93		. . By modifying electric focus or drive signal
94		. . With mechanical rangefinder
95		. Having pursuit mode
96		. Having accumulation photoarray and time control means
97		. Temperature compensating
98		. Ambient light compensating
99		. With amplification control
100		. Dual purpose photoelement
101		. With electronic filtering
102		. Having in-focus threshold adjustable
103		. Manually selected preset focus position or range
104		. Reliability of focus/distance signal
105		. Using sound
106		. Having auxiliary illumination
107		. . Intersecting focusing lights
108		. . Intensity control
109		. . Having plural emitters
110		. . Scanning emitter
111		. Optical detail with photoelement system
112		. . Double wedge prism
113		. . Microprism or lenslet
114		. . Dual reimage lens type
115		. . Photosensor area with unique edge pattern
116		. . Scanning type
117		. . . Mirror type
118		. . Moving photocell
119		. . Photoelements with different optical path lengths
120		. . With Position Sensitive Device (PSD)
121		. Plural focusing or rangefinding areas
122		. . Utilizing weight coefficients
123		. . Automatic area selection
124		. Single focus area with variable size or location
125		. Processing circuit
126		. . Null type or zero-difference type
127		. . Inflection point type
128		. . Image correlation type
129		. Power supply control
130		. Focus lock
131		. Manually actuated power focus
132		. Dual purpose motor
133		. Lens drive circuit or motor structure
134		. . Backlash or jam detection
135		. . Speed control
136		. . . Duty cycle
137		. Auto/manual mode selection
138		. Mechanical rangefinder
139		. . Rangefinder coupled with focusing
140		. . . Having parallax correction
141		. . . Having viewfinder
142		. . . Cam means to actuate rangefinder
143		. . . Lever means to actuate rangefinder
144		. Mechanical mechanism for displacement of exposure objective
145		. . Bed or bellows type
146		. . Having lock mechanism
147		. Having indicator
148		. Having viewfinder
149		. . Having parallax correction
150		. . Including focusing screen
151		. . . Film and focusing screen interchangeable
152		. . . And reflector or refractor
153		OBJECT MOTION DETECTION
154		FORESHOOTING
155		WITH OBJECT ILLUMINATION FOR EXPOSURE
156		. With Insulated Gate Bipolar Transistor
157		. Having preexposure illumination
158		. . For red-eye reduction
159		. Having artificial illumination termination control
160		. . Including multipurpose terminal
161		. . Including exposure control circuit
162		. . Having photocell optical path structure
163		. . Having indicator
164		. Variable intensity control
165		. Activated under low light condition
166		. Exposure control circuit with illumination mode
167		. . Exposure control circuit responsive to illumination source readiness
168		. . Program mode function
169		. . Shutter speed function only
170		. . Diaphragm function only
171		. Having photocell used as flash trigger or used for camera release
172		. Photocell directly illuminated
173		. Multiple flashing from a single unit for a single exposure
174		. Bounce type
175		. Variable illumination angle
176		. Having flash built into camera
177		. . Pop-up flash
178		. . Folding flash
179		. Flash mode mechanical exposure control
180		. Having exposure synchronizer
181		. . Shutter controlled by explosive force of flash device
182		. . Multiple illumination units for single exposure
183		. . Shutter relay or solenoid
184		. . Having pneumatic shutter release
185		. . Electromechanical energizing generator
186		. . Reflex mirror activates switch
187		. . Having time delay adjustment means
188		. . . Positional
189		. . Detachable synchronizer
190		. . Convertible
191		. . Percussive illumination source
192		. . Bulb substitution
193		. . . Having unison film advancing and lamp switching
194		. . Curtain shutter
195		. . Actuated by shutter movement
196		. Bulb ejector
197		. Bulb substitution
198		. Having adapter unit
199		. Lens mounted illumination unit
200		. Reflector detail
201		. Having indicator
202		. . Go/no-go indicator
203		. . . Indicating power source status
204		. . Effective distance indicator
205		. With power supply detail
206		. . Having DC to DC converter
207		EXPOSURE DATA FROM FILM CONTAINER
208		. Electrical component on or in film container
209		. Controlling optical filter
210		EXPOSURE DATA FROM FILM ITSELF
211		EXPOSURE DATA FROM DETACHABLE MEMORY CARD
212		BULB OR TIME EXPOSURE MODE
213		EXPOSURE CONTROL CIRCUIT
214		. Clamp or stop needle control device
215		. . To control exposure time
216		. . Override or manual control
217		. Direct drive galvanometer control device
218		. . Override or manual control
219		. . Circuit detail
220		. . Plural blades
221		. Responsive to power source condition
222		. Bracketing
223		. Override control
224		. Photometer lock
225		. Color temperature compensation or detection
226		. Film latitude responsive
227		. Maximum or minimum f-number responsive
228		. Having log transformation circuit
229		. . Digital
230		. . Antilog
231		. Having temperature compensation circuit
232		. Viewfinder light compensation
233		. Having plural photocells
234		. . More than two photometering areas
235		. Velocity control of shutter or diaphragm component
236		. Look-up table memory
237		. Manually set limit of exposure time or aperture value
238		. Manually selective exposure mode
239		. . Having indicator
240		. Pulse train type
241		. With exposure filter
242		. Program mode
243		. . Program selection
244		. . Stepping motor type
245		. Manual Av circuit with automatic Tv circuit, or vice versa
246		. Shutter speed function only
247		. . Shutter lag correction
248		. . Piezoelectric driven
249		. . Electro-optical element
250		. . With digital counter
251		. . Having RC circuit for timing
252		. . . Including memory capacitor
253		. . . Including plural selective capacitors
254		. . . Including plural selective resistors
255		. . . Having indicator
256		. . Stepping motor
257		. Diaphragm function only
258		. . Pawl/ratchet type
259		. . Servo motor type
260		. . . Using stepping motor
261		. . Piezoelectric driven
262		. . Electro-optical element
263		CAMERA RELEASE CONTROL CIRCUIT
264		. Self-timer
265		. Intervalometer (e.g., rapid sequence)
266		. Safety lock
267		WITH LIGHT PIPE OR GUIDE
268		HAVING PHOTOCELL AT SPECIFIC POSITION WITHIN CAMERA
269		. Photocell responsive to adjacent illuminator
270		. Movable into or out of light path
271		. In viewfinder area
272		. Having two or more mirrors
273		. Having light reflected from film or shutter or through film
274		. Having means for changing the photocell field of view
275		. With color filter
276		. Having variable light transmission means
277		BATTERY INSERTION/REMOVAL/DEPLETION RESPONSIVE
278		. Having battery backup
279		. Having indicator
280		INITIALIZING/STORING RESPONSIVE TO POWER SWITCH
281		HAVING CAMERA INDICATOR
282		. Display intensity control
283		. Sound
284		. Film condition indicator
285		. . Double exposure warning
286		. Self-timer indicator
287		. Nonmechanical visual display
288		. . Having holographic display
289		. . Ambient light condition display using one of three light emitters
290		. . Bar graph/scale display
291		. . Pictograph display
292		. . Character segment display
293		. Galvanometer type
294		. . Having plural pointers or match needle
295		. Comparison type
296		. Having display in viewfinder
297		HAVING OPERATOR CONTROLLED DATA ENTRY INTO CAMERA
298		. Manual manipulators on lens unit or lens mount
299		. Manual manipulators on camera body unit
300		. Manual data entry using peripheral device
301		WITH POWER SUPPLY DETAIL
302		. Having time-out circuit
303		. Power distribution management
304		. Having nonelectrochemical power source
305		COLOR IMAGE USING MONOCHROME FILM
306		. Using a lenticular element
307		. . Plural color filter sections
308		. Simultaneous recording of images
309		. . Images recorded on separate films
310		WITH DATA RECORDING
311		. Data for control of subsequent processing of film
312		. Sound
313		. Having handwritten data
314		. . Having transfer strip
315		. Optical
316		. . Mask or stencil
317		. . . Having auxiliary illumination
318		. . Segmented alphanumeric indicia
319		. Magnetically on film or film cassette
320		. . Recording head position control
321		. Removable semiconductor memory
322		PLURAL IMAGE RECORDING
323		. Having alternative single image recording
324		. Stereoscopic
325		. . Plural camera arrangement
326		. . Single camera with plural spaced objectives
327		. . . With lenticular screen, mirror, or prism
328		. . . Having film feed or guide
329		. . Having adjustable camera mount
330		. . Having lenticular screen
331		. . Plural image reflection onto single objective
332		. Simultaneous recording of plural distinct subjects
333		. Simultaneous recording of single subject
334		. . Different planes
335		. Sequential recording on different areas of a single frame
336		. . Including rotary objective or photographic medium support
337		. . Including preobjective mask
338		. . Including shiftable objective or photographic medium support
339		. . . Shiftable photographic medium support only
340		. . Including shiftable post-objective mask
341		BELLOWS OBJECTIVE CAMERA
342		. Camera front or lens mount angularly adjustable
343		. Having lens movable in its plane
344		. Having guide and lock
345		. Having hinged base attached to bellows
346		. . Having self-erecting lens holder
347		. Hinged linkage between objective mount and housing
348		FOLDING OR COLLAPSIBLE CAMERA
349		. Having axially moving lens
350		. Having pivoting lens
351		HAVING MEANS TO REFLECT IMAGE TO FILM
352		. Having reflex mirror
353		TWIN LENS REFLEX CAMERA
354		SINGLE LENS REFLEX CAMERA
355		. Having shutter and additional means to block light from film (e.g., screen)
356		. Having manually operated mirror
357		. Having focal plane shutter
358		. With mirror support or drive
359		. Plate camera
360		MAGAZINE CAMERA
361		. Rotatable magazine
362		. Flexible light guard for entrance of hand
363		. Tilting receiver
364		. Flexible carrier for plates
365		. . Having tab means
366		. Sliding plate
367		. . Sliding and return
368		. . Intermediate exposure chamber
369		. Quarter-turned plate
370		. . Tilting
371		. . . Base guide
372		. Rear plates replaceable
373		WITH VIEWFINDER
374		. Electronic
375		. Lensless
376		. Pose reflector
377		. Parallax correction
378		. Selective or adjustable viewfinder field
379		. . Zoom
380		. . Variable size of mask opening
381		. . Variable orientation of finder image
382		. Lens detail
383		. Selective or adjustable viewing position
384		. With prism
385		. With reflector
386		. . Plural
387		WITH FILM DRIVE
388		. Detachable drive unit
389		. Double exposure prevention
390		. . Midroll interrupt
391		. . Having manual override
392		. . Having film-sensing member
393		. . Having double cable release
394		. . Responsive to film-winding lever
395		. Film movement limiting means
396		. . From film drive transmission member
397		. . From film itself
398		. . . Having switch actuated by perforation sensing pawl
399		. . . Having film locked by perforation sensing pawl
400		. . . Having film transport mechanism locked by perforation sensing pawl
401		. Film transport cocks shutter
402		. . Film transport cocks shutter and mirror
403		. Having mechanically actuated circuit
404		. . Film feed error detection or end of film detection
405		. . Rewind
406		. Having significant electronic circuit detail
407		. . Prewind
408		. . Initialization
409		. . Film feed error detection or end of film detection
410		. . Rewind
411		. Mechanical detail
412		. . Spring motor
413		. . Rewind
414		. . Posterior film roll
415		. . Having threading structure
416		. . Drive means having rectilinear path
417		. . Sheet film
418		. . Including electric motor
419		CAMERA SUPPORT
420		. Operator supported
421		. . Having stabilization
422		. . Having means to attach other photographic accessories
423		. . Having strap
424		. . Integral with camera body
425		. . Having release actuator on support
426		. . . Having actual or simulated handheld weapon structure
427		. Surveillance type
428		. Adjustable support
429		CAMERA COMBINED WITH OR CONVERTIBLE TO DIVERSE ART DEVICE
430		. Convertible to developed image projector or viewer
431		. With light beam projector for delineating field of view
432		. With diverse compound lens system (e.g., microscope)
433		. With camouflage structure (e.g., spy camera)
434		. With radio or clock
435		VARIABLE FRAME MASKING
436		. Having wide aspect ratio
437		CAMERA BACK OR FILM CARRIER ANGULARLY ADJUSTABLE
438		DAGUERREOTYPE
439		CAMERA DETAIL
440		. Film restraining means or pressure plate
441		. . Pneumatic or magnetic
442		. . On camera door
443		. Camera element cocking or resetting
444		. . Shutter charging lever on lens housing
445		. Film cutoff
446		. Plural film types
447		. Reflex mirror
448		. Lens cover
449		. Diaphragm shutter unit
450		. . Sliding plate
451		. . Between the lens components
452		. Shutter
453		. . Having braking or damping
454		. . . Having braking or damping member in path of shutter
455		. . . Having pneumatic or electromagnetic braking or damping
456		. . . Of focal plane shutter
457		. . Electro-optical, magneto-optical, or photochromic type
458		. . Including diaphragm
459		. . . Plural selectable apertures
460		. . . Including coupled shutter and diaphragm
461		. . . Diaphragm blades open for focusing or viewing
462		. . Having shutter between lens components
463		. . Dynamo-electric actuator
464		. . . Having planar coil
465		. . . Latching relay
466		. . . . Plural latching relays
467		. . . Plural linear solenoids
468		. . . Single linear solenoid
469		. . . Plural dynamo-electric actuators
470		. . . Having spring return
471		. . Plural shutters
472		. . Having mechanical delayed release means (e.g., self-timer)
473		. . . Having gear train
474		. . . . Detachable from camera
475		. . Having mechanically delayed closing
476		. . . Including pneumatic means
477		. . . Including gear means
478		. . . Including cam means
479		. . Curtain type
480		. . . Plural curtains
481		. . . . Curtain width opening adjustable
482		. . . . . Three or more rollers
483		. . Sliding plate type
484		. . . Plural plates
485		. . . . Having apertured plate
486		. . . . Having base plate detail
487		. . . . Having plate support detail
488		. . . . Having plate detail
489		. . . . Having drive detail
490		. . . . Move in opposite directions
491		. . . Rectilinear reciprocation
492		. . . . Vertical motion
493		. . Pivoting or rotating blade type
494		. . . Having auxiliary light blocking
495		. . . Shutter blade moves continuously from closed to open to closed position
496		. . . . Blade moves in opposite directions on alternate exposures
497		. . . Plural oscillating blades
498		. . . . Having gear means
499		. . . . Having pneumatic actuator
500		. . . . Symmetrical opening
501		. . . . Opposite movement
502		. . Release or actuator means
503		. . . Having safety lock
504		. . . Cable release
505		. Diaphragm
506		. . Electro-optical, magneto-optical, or photochromic type
507		. . Including irregular diaphragm opening
508		. . Dynamo-electric actuator
509		. . Diaphragm opens for focusing or viewing
510		. . Plural pivoted blades
511		. Detachable or removable film holder unit
512		. . Film cassette or cartridge
513		. . . Light seal
514		. . . Film or spool locking means
515		. . . Including film use indicator
516		. . . Thrust type
517		. . Plate or cut film holder
518		. . . Light seal
519		. . . Plate fastening or kit
520		. . . . Adjustable
521		. . . Solution drain or resistant
522		. . . Closure lock or check
523		. . . Auxiliary
524		. . . Having dark slide
525		. . . . Having hinged part
526		. . . . Double holder
527		. . . Self-developing
528		. . . Flexible holder
529		. Lens mount
530		. . Lens adapter
531		. . Bayonet mount
532		. . . Having electrical contact detail
533		. . Threaded mount
534		. Hood
535		. Body structure or housing
536		. . Rear door or latch detail
537		. . . Having viewing port
538		. . Film chamber detail
539		. . Battery compartment
540		. . Ergonomic design
541		. . Modular body
542		. Having printed circuit detail
543		. With mechanical switch detail
544		CAMERA ATTACHMENT
545		. Vignetter
546		EXPOSING MULTICOLOR CATHODE-RAY TUBE TARGETS
547		. Having light source or optical element which moves during exposure
548		LINE GENERATION
549		PHOTOTYPE COMPOSING
550		. Photoelectronic type
551		. Having character printing control by program card, tape, or disk
552		. Having justifying, tabulating, centering, or spacing apparatus
553		. . With electrical pulse counter
554		. Optical line correction
555		. Having means to detect indicia
556		. Having stencil-type character means
557		. . Plural character types
558		. . Having a moveable carrier
559		. . . Rotary
560		. . . . Key operative
561		. . Fixed carrier
562		. Photographic medium handling
563		SENSITOMETRY
564		FLUID-TREATING APPARATUS
565		. Having fluid filter
566		. Having program card, tape, or disk
567		. Photographic medium or cartridge sensing
568		. . Photographic medium length, width, area, or amount sensing
569		. . Transmittivity/reflectivity of photographic medium sensing
570		. Photocell controlled
571		. Heating, cooling, or temperature detecting
572		. . Temperature detecting or controlling of drying station
573		. . Having liquid bath or jacket
574		. . Processing vapor from source other than photographic medium
575		. . Thermal developing, controlling temperature of photographic medium or controlling of developing amount
576		. . Heating processing liquid before entry to treating station
577		. . Plural stations
578		. Having testing, calibration, or indicating
579		. Gaseous-treating
580		. Treating superimposed or laminar sheets
581		. . Rollers sequentially submerge and press sheet
582		. . Having fluid dispensing
583		. . . Collapsible container
584		. . . . Removable or variable pressure roller or particular roller texture, composition, configuration, or spacing
585		. . . . Roll film handling
586		. . . . Nonrolling fluid spreading apparatus
587		. . Having fluid reservoir
588		. Reversal processing
589		. Dark cabinet
590		. . Hand or body insertion
591		. . . Hand/arm access ports on opposite sides of cabinet
592		. . . Multiple hand/arm access ports on single side of cabinet
593		. . . Having ventilation
594		. . Daylight loading
595		. . Having film-holding cabinet insertable into developing tank
596		. . . Protective cover stripping
597		. . . Film in spaced spiral for processing
598		. . Having film support or handling means
599		. . . Roll film handling
600		. . . . Having motor driven film winding spool
601		. . . . Film in spaced spiral for processing
602		. . . Plate film handling means
603		. . . Film immersed and removed
604		. Fluid application to one side only of photographic medium
605		. . By web
606		. . By roller
607		. . . Having clutch or specified speed
608		. . . Having doctoring or wiper blade
609		. . Nonroller fluid application to downward facing emulsion surface
610		. . Having photographic medium cassette or cartridge
611		. . Plate or wafer-type photographic medium
612		. Having photographic medium feed
613		. . And cutting device
614		. . And scrub brush, wipers, squeegee, or squeeze rollers
615		. . Variable path length, variable path width, or alternative path
616		. . Having clutch, speed detail, or variable processing time
617		. . And photographic medium immersed and removed
618		. . . Having band, belt, or chain
619		. . . Having detail of feed mechanism cleaning
620		. . . Strip type
621		. . . . Crane type
622		. . . Plural stations
623		. . Film in spaced spiral for processing
624		. . Plural stations
625		. Single station and plural fluids
626		. Having fluid-circulating means
627		. . And fluid spraying means
628		. . And photographic medium support means
629		. . And rocking tray or support
630		. . Plural stations
631		. . For wash station
632		. . Having electrical circuit
633		. Having fluid-agitating means
634		. . Rotating carrier
635		. . . Motor driven
636		. Photographic medium processing vessel
637		. . Having interlocking doors
638		. . Attachment or accessory
639		. . . Visual photographic medium scanner
640		. . . Adjustable photographic medium holding means
641		. . . Reservoir
642		. . Having photographic medium support
643		. . . In shallow tray or pan
644		. . . For plate
645		. . Having film-guiding ribs
646		. Film guide
647		. Photographic medium holding device
648		. . Spool
649		. . Tensioning means
650		. . Adjustable means
651		. . Retaining means
652		. . Gripping means
653		. . . Frame with opposed force-gripping means
654		. . . Plate
655		RETOUCHING
656		. Stand
657		. . Vibrating
658		BURNISHING
659		. Rotary burnishing surface
660		. . Internally heated
661		MISCELLANEOUS
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		FOREIGN ART COLLECTIONS
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		Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collection listed below. These collections contain ONLY foreign patents or nonpatent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
FOR 700		AUTOMATIC CAMERA FOCUSING (354/400)
FOR 701		. Using sound (354/401)
FOR 702		. Having photoelectric focusing system or device (354/402)
FOR 703		. . Using active ranging (354/403)
FOR 704		. . Having moving optical means in front of photocell (354/404)
FOR 705		. . . Having moving mirror (354/405)
FOR 706		. . Having stationary beam splitter (354/406)
FOR 707		. . . Having split image means (354/407)
FOR 708		. . Having two separate stationary predetector optical systems (354/408)
FOR 709		. . Having focus indicator (354/409)
FOR 710		AUTOMATIC EXPOSURE CONTROL SYSTEM OR DEVICE (354/410)
FOR 711		. Nonphotoelectric exposure control type (354/411)
FOR 712		. For controlling entire photographic operation (354/412)
FOR 713		. Including artificial illumination system or device (354/413)
FOR 714		. . For fill-in illumination (354/414)
FOR 715		. . Having pre-exposure flashing (354/415)
FOR 716		. . Having flash termination control (354/416)
FOR 717		. . . Quench type (354/417)
FOR 718		. . Charge level or power supply responsive (354/418)
FOR 719		. . Automatically activated under low light condition (354/419)
FOR 720		. . Controlling exposure without controlling flash (354/420)
FOR 721		. . . Having follow focus control of exposure (354/421)
FOR 722		. . . Having single circuit controlling the shutter and diaphragm (354/422)
FOR 723		. . . Having means for controlling only the diaphragm (354/423)
FOR 724		. . Having photocell used as flash trigger (354/424)
FOR 725		. Having log transformation circuit (354/425)
FOR 726		. . Digital (354/426)
FOR 727		. . Having log expansion (354/427)
FOR 728		. . Having temperature compensation circuit (354/428)
FOR 729		. Having plural photocells (354/429)
FOR 730		. . Measuring special property of light or subject (e.g., color, speed, etc.) (354/430)
FOR 731		. . Having light reflected from film or shutter (354/431)
FOR 732		. . Having more than two cells (354/432)
FOR 733		. . Having only two cells measuring light directly from subject (354/433)
FOR 734		. . Having only two cells used to control exposure time (354/434)
FOR 735		. Having circuit for controlling a diaphragm shutter (354/435)
FOR 736		. . Walking beam type (354/436)
FOR 737		. . . Using digital control (354/437)
FOR 738		. . Clamp or stop needle type (354/438)
FOR 739		. . Stepping motor type (354/439)
FOR 740		. . Solenoid control type (354/440)
FOR 741		. Having circuit for controlling separate diaphragm and shutter (354/441)
FOR 742		. . Having selectable priority (354/442)
FOR 743		. . Having programmed control only (354/443)
FOR 744		. . Having exposure time priority only (354/444)
FOR 745		. . Having aperture priority only (354/445)
FOR 746		. Having circuit for controlling diaphragm only (354/446)
FOR 747		. . Clamp or stop needle type (354/447)
FOR 748		. . Ratchet/pawl type (354/448)
FOR 749		. . Direct drive galvanometer type (354/449)
FOR 750		. . . Having bridge circuit (354/450)
FOR 751		. . Servo motor type (354/451)
FOR 752		. . . Using stepping motor (354/452)
FOR 753		. . Including special driving arrangement (354/453)
FOR 754		. . Including irregular diaphragm opening (354/454)
FOR 755		. . Having interchangeable lens (354/455)
FOR 756		AERIAL CAMERA (354/65)
FOR 757		. Having shutter or film feed speed and air or spin speed synchronizing (354/66)
FOR 758		. Remote exposure control (354/67)
FOR 759		. Simultaneous recording of plural images (354/68)
FOR 760		. . Plural images recorded on plural film (354/69)
FOR 761		. Having camera direction stabilizing (e.g., gyroscope, etc.) (354/70)
FOR 762		. Including continuously moving film (354/71)
FOR 763		. Having indicator, signal, or scale (354/72)
FOR 764		. Including synchronization (354/73)
FOR 765		. Support or holder (354/74)
FOR 766		EXPOSURE IDENTIFICATION (354/105)
FOR 767		. Autographic camera (354/106)
FOR 768		. . Stencil or indicia transfer strip (354/107)
FOR 769		. . . Removable (354/108)
FOR 770		. Having auxiliary identification photographing system (354/109)
FOR 771		OBJECT ILLUMINATION COMBINED WITH CAMERA STRUCTURE (354/126)
FOR 772		. Having measuring, testing, or indicating (354/127.1)
FOR 773		. . Having flash ready indicator (354/127.11)
FOR 774		. . . Indicating power source status (354/127.12)
FOR 775		. . Having distance indicator (354/127.13)
FOR 776		. Having camera synchronization (354/129)
FOR 777		. . Shutter controlled by explosive force of flash device (354/130)
FOR 778		. . Remote control (e.g., radio wave, etc.) (354/131)
FOR 779		. . Multiple illumination units (354/132)
FOR 780		. . Having shutter relay or solenoid (354/133)
FOR 781		. . Having pneumatic shutter release (354/134)
FOR 782		. . Energizing generator contained in flash unit (354/135)
FOR 783		. . Reflex focusing mirror closes contacts (354/136)
FOR 784		. . Having time delay adjustment means (354/137)
FOR 785		. . . Positional (354/138)
FOR 786		. . Having detachable synchronizer (354/140)
FOR 787		. . Convertible illumination means (354/141)
FOR 788		. . Percussive illumination source (354/142)
FOR 789		. . Flash unit includes spare lamps (354/143)
FOR 790		. . . Having unison film advance and lamp switching (354/144)
FOR 791		. . Electronic flash unit (354/145.1)
FOR 792		. . Curtain shutter (354/146)
FOR 793		. . Flash unit contacts actuated by shutter movement (354/147)
FOR 794		. Lamp substitution (354/148)
FOR 795		. Having variable illumination angle (354/149.1)
FOR 796		. Having flash built into camera (354/149.11)
FOR 797		INCLUDING MEANS TO REFLECT IMAGE TO FILM (354/150)
FOR 798		TWIN LENS REFLEX CAMERA (354/151)
FOR 799		REFLEX CAMERA WITH SINGLE OBJECTIVE (354/152)
FOR 800		. Film advance means sets mirror (354/153)
FOR 801		. Having means to block light from film (e.g., screen, etc.) (354/154)
FOR 802		. Plural optical means in view finder (354/155)
FOR 803		. Having manipulating means (e.g., lever, etc.) (354/156)
FOR 804		. Plate camera (354/157)
FOR 805		. Folding, collapsible, or bellows camera (354/158)
FOR 806		PICTURE SIZE VARIABLE (354/159)
FOR 807		CAMERA BACK OR FILM CARRIER ANGULARLY ADJUSTABLE (354/160)
FOR 808		CAMERA FILM AND FOCUSING SCREEN EXCHANGEABLE (354/161)
FOR 809		WITH RANGE FINDER (354/162)
FOR 810		. Range finder coupled with focusing (354/163)
FOR 811		. . Having parallax correction (354/164)
FOR 812		. . Focusing lights (354/165)
FOR 813		. . Having view finder (354/166)
FOR 814		. . Having adjustable coupling to compensate for change of camera lens (354/167)
FOR 815		. . Cam means to actuate range finder (354/168)
FOR 816		. . Lever means to actuate range finder (354/169)
FOR 817		MOTOR FILM DRIVE (E.G., SPRING, ETC.) (354/170)
FOR 818		. Automatic film advance (354/171)
FOR 819		. . Having spring tension indicator (354/172)
FOR 820		. . Having electric motor (354/173.1)
FOR 821		. . . Having electronic timing (354/173.11)
FOR 822		MAGAZINE CAMERA (354/174)
FOR 823		. Rotatable magazine (354/175)
FOR 824		. Hand-changed plate (354/176)
FOR 825		. Tilting magazine (354/177)
FOR 826		. Flexible carrier for plates (354/178)
FOR 827		. . Having tab means (354/179)
FOR 828		. Sliding plate (354/180)
FOR 829		. . Sliding and return (354/181)
FOR 830		. . Intermediate exposure chamber (354/182)
FOR 831		. Quarter-turned plate (354/183)
FOR 832		. . Tilting (354/184)
FOR 833		. . . Base guides (354/185)
FOR 834		. Rear plate replaceable (354/186)
FOR 835		MANUAL CAMERA FOCUSING (354/195.1)
FOR 836		. Diaphragm controlled by focusing (354/195.11)
FOR 837		. Plural lenses (354/195.12)
FOR 838		. Having distance indicator (354/195.13)
FOR 839		. Having view finder (354/199)
FOR 840		. . Including focusing screen (354/200)
FOR 841		. . . And reflector (354/201)
FOR 842		CAMERA DETAILS (354/202)
FOR 843		. Film restraining means (354/203)
FOR 844		. Interlocking film advance and shutter tension or setting (354/204)
FOR 845		. . Focal plane shutter (354/205)
FOR 846		. . Including film movement limiting means (354/206)
FOR 847		. Double exposure prevention (354/207)
FOR 848		. . Foldable, collapsible, or extensible camera structure (354/208)
FOR 849		. . Having manual override (i.e., permits double exposure) (354/209)
FOR 850		. Plural film type (354/210)
FOR 851		. Film cutoff (354/211)
FOR 852		. Film advancing means (354/212)
FOR 853		. . Having film movement limiting means (i.e., movement stops after one frame) (354/213)
FOR 854		. . Including rewind means (354/214)
FOR 855		. . Including film position indicating means (354/215)
FOR 856		. . Posterior roll (354/216)
FOR 857		. Film frame counting or measuring (354/217)
FOR 858		. . Measuring (354/218)
FOR 859		. Viewfinder (354/219)
FOR 860		. . Pose reflector (354/220)
FOR 861		. . Parallax correction (354/221)
FOR 862		. . Selective or adjustable viewfinder field (354/222)
FOR 863		. . Selective or adjustable viewing position (354/223)
FOR 864		. . Having reflector (354/224)
FOR 865		. . . Plural (354/225)
FOR 866		. Shutter (354/226)
FOR 867		. . Electro-optical type (354/227.1)
FOR 868		. . Having diaphragm (354/228)
FOR 869		. . . Plural apertured diaphragm (354/229)
FOR 870		. . . Shutter and diaphragm formed by the same pivoted or sliding plates (354/230)
FOR 871		. . . Including coupled shutter and diaphragm (354/231)
FOR 872		. . . Diaphragm opens for focusing or viewing (354/232)
FOR 873		. . Having shutter between lens (354/233)
FOR 874		. . Dynamo-electric actuated (354/234.1)
FOR 875		. . . Single linear solenoid (354/235.1)
FOR 876		. . Plural shutters (354/236)
FOR 877		. . Having delayed release means (354/237)
FOR 878		. . . Including electric circuit means (354/238.1)
FOR 879		. . . Having clock-train (354/239)
FOR 880		. . . . Detachable from camera (354/240)
FOR 881		. . Curtain or flexible plate type (354/241)
FOR 882		. . . Plural curtains or plates (354/242)
FOR 883		. . . . Curtains width opening (354/243)
FOR 884		. . . . . More than two rollers (354/244)
FOR 885		. . Sliding rigid plate (354/245)
FOR 886		. . . Plural plates (354/246)
FOR 887		. . . . Moves in opposite directions (354/247)
FOR 888		. . . Rectilinear reciprocation (354/248)
FOR 889		. . . . Vertical motion (354/249)
FOR 890		. . Pivoting or rotating blade (354/250)
FOR 891		. . . Having cocking means (354/251)
FOR 892		. . . Having brake means (354/252)
FOR 893		. . . Including aperture cover or lid (354/253)
FOR 894		. . . Shutter blade moves continuously from closed to open to closed position (354/254)
FOR 895		. . . . Blade moves in opposite direction on alternate exposures (354/255)
FOR 896		. . . Having retard means (354/256)
FOR 897		. . . . Including pneumatic means (354/257)
FOR 898		. . . . Including electric circuit means (354/258.1)
FOR 899		. . . . Including gear means (354/259)
FOR 900		. . . . Including cam means (354/260)
FOR 901		. . . Plural oscillating blades (354/261)
FOR 902		. . . . Having gear means (354/262)
FOR 903		. . . . Having pneumatic actuator (354/263)
FOR 904		. . . . Symmetrical opening (354/264)
FOR 905		. . . . Opposite movement (354/265)
FOR 906		. . Release or actuator means (354/266)
FOR 907		. . . Timing means (354/267.1)
FOR 908		. . . Having safety lock (354/268)
FOR 909		. . . Cable release (354/269)
FOR 910		. Indicator or setting means (354/289.1)
FOR 911		. . Indicia on lens ring or housing (354/289.11)
FOR 912		. . . Having electric circuit means (354/289.12)
FOR 913		CAMERA MOUNTING OR REST (354/293)
FOR 914		. Stereo (354/294)
FOR 915		FLUID-TREATING APPARATUS (354/297)
FOR 916		. Photocell controlled (354/298)
FOR 917		. And temperature control (354/299)
FOR 918		. Gaseous-treating (354/300)
FOR 919		. Treating superimposed or laminar sheets (354/301)
FOR 920		. . Rollers sequentially submerge and press sheet (354/302)
FOR 921		. . Having fluid dispensing (354/303)
FOR 922		. . . Collapsible container (354/304)
FOR 923		. . Having fluid reservoir (354/305)
FOR 924		. Reversal processing (354/306)
FOR 925		. Dark cabinet (354/307)
FOR 926		. . Hand or body insertion (354/308)
FOR 927		. . . Having ventilation (354/309)
FOR 928		. . Daylight loading (354/310)
FOR 929		. . Having film-holding cabinet insertable into developing tank (354/311)
FOR 930		. . Having film support or handling means (354/312)
FOR 931		. . . Roll film handling (354/313)
FOR 932		. . . . Having motor driven film winding spool (354/314)
FOR 933		. . . Plate film handling means (354/315)
FOR 934		. . . Film immersed and removed (354/316)
FOR 935		. Fluid application to one side only of film (354/317)
FOR 936		. . By roller or web (354/318)
FOR 937		. Having film or paper feed (354/319)
FOR 938		. . And film immersed and removed (354/320)
FOR 939		. . . Strip type (354/321)
FOR 940		. . . Plural stations (354/322)
FOR 941		. Single station and plural fluids (354/323)
FOR 942		. Having fluid circulating means (354/324)
FOR 943		. . And fluid spraying means (354/325)
FOR 944		. . And plate support means (354/326)
FOR 945		. . By rocking tray or support (354/327)
FOR 946		. Having fluid agitating means (354/328)
FOR 947		. . Rotating carrier (354/329)
FOR 948		. . . Motor driven (354/330)
FOR 949		. Film or print processing vessel (354/331)
FOR 950		. . Having interlocking doors (354/332)
FOR 951		. . Attachment or accessory (354/333)
FOR 952		. . . Visual film scanner (354/334)
FOR 953		. . . Adjustable film holding means (354/335)
FOR 954		. . . Reservoir (354/336)
FOR 955		. . Having film or plate support (354/337)
FOR 956		. . Having film guiding ribs (354/338)
FOR 957		. Film guide (354/339)
FOR 958		. Film holding device (354/340)
FOR 959		. . Spool (354/341)
FOR 960		. . Tensioning means (354/342)
FOR 961		. . Adjustable means (354/343)
FOR 962		. . Retaining means (354/344)
FOR 963		. . Gripping means (354/345)
FOR 964		. . . Opposed frame gripping means (354/346)
FOR 965		. . . Plate (354/347)
FOR 966		RETOUCHING (354/348)
FOR 967		. Stand (354/349)
FOR 968		. . Vibrating (354/350)
FOR 969		BURNISHING (354/351)
FOR 970		. Rotary machine (354/352)
FOR 971		. . Internally heated (354/353)