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G:PHYSICS
 G03: PHOTOGRAPHY; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY
  G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
   G03B1/00: Film strip handling
   G03B1/02: Moving film strip by pull on end thereof
   G03B1/04: . . Pull exerted by take-up spool
   G03B1/06: . . . rotated by lever operated ratchet and pawl
   G03B1/08: . . . rotated by band, chain, rack, or other linear reciprocating operation
   G03B1/10: . . . rotated by knob through gearing
   G03B1/12: . . . rotated by motor, e.g. spring
   G03B1/14: . . Special arrangements to ensure constant length of movement of film
   G03B1/16: . . . by film-arresting pins
   G03B1/18: moving film strip by means which act on the film between the ends thereof
   G03B1/20: . . Acting means
   G03B1/22: . . . Claws or pins engaging holes in the film
   G03B1/24: . . . Sprockets engaging holes in the film
   G03B1/26: . . . Spiked wheels or pins not penetrating the film
   G03B1/28: . . . Shuttle feed
   G03B1/30: . . . Belt feed
   G03B1/32: . . . Friction grippers or rollers
   G03B1/34: . . . Beaters
   G03B1/36: . . . Pneumatic acting means
   G03B1/38: . . embodying Geneva motion, e.g. Maltese-cross gearing
   G03B1/40: embodying frictional coupling or clutches
   G03B1/42: Guiding, framing, or constraining film in desired position relative to lens system
   G03B1/44: . . Guides engaging edge of film
   G03B1/46: . . Rollers engaging face of film, e.g. barrel, waisted, conical
   G03B1/48: . . Gates or pressure devices, e.g. plate
   G03B1/50: . . . adjustable or interchangeable, e.g. for different film widths
   G03B1/52: . . . Pneumatic pressure devices
   G03B1/54: . . Tensionning or loop-maintaining devices
   G03B1/56: Threading; Loop forming
   G03B1/58: . . automatic
   G03B1/60: Measuring or indicating length of the used or unused film; Counting number of exposures
   G03B1/62: . . involving locking or stop-motion devices
   G03B1/64: . . by means which as certain the radius of the film coiled on a spool
   G03B1/66: . . Counting number of exposures
   G03B3/00: Focusing arrangements
   G03B3/02: moving lens along baseboard
   G03B3/04: adjusting position of image plane without moving lens
   G03B3/06: . . using movable reflectors to alter length of light path
   G03B3/10: Power-operated focusing
   G03B3/12: . . adapted for remote control
   G03B5/00: Adjustment of optical system relative to image or object surface other than for focusing
   G03B5/02: Lateral adjustment of lens
   G03B5/04: Vertical adjustment of lens; Rising fronts
   G03B5/06: Swinging lens about normal to the optical axis
   G03B5/08: Swing backs
   G03B7/00: Control of exposure by setting shutters, diaphragms, or filters separately or conjointly
   G03B7/00B: setting of both shutter and diaphragm G03B7/02 to G03B7/22 take precedence
   G03B7/00C: setting of both diaphragm and distance G03B7/02 to G03B7/22 take precedence
   G03B7/02: Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body
   G03B7/04: Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark
   G03B7/06: . . by a follow-up movement of an associated reference mark to the pointer
   G03B7/08: Control effected solely by response to built-in light-sensitive device to the intensity of light received by the camera
   G03B7/081: . . Analogue circuits
   G03B7/083: . . . for control of exposure time
   G03B7/085: . . . for control of aperture
   G03B7/087: . . . for control of both exposure time and aperture see provisionally also G03B7/081
   G03B7/089: . . . for storage of exposure value in mirror reflex cameras see provisionally also G03B7/081
   G03B7/08C: . . Control circuits G03B7/10 takes precedence
   G03B7/091: . . Digital circuits
   G03B7/093: . . . for control of exposure time
   G03B7/095: . . . for control of aperture
   G03B7/097: . . . for control of both exposure time and aperture see provisionally also G03B7/091
   G03B7/099: . . Arrangement of photoelectric elements in or on the camera
   G03B7/099B: . . . on the camera or in the objective
   G03B7/099C: . . . in the camera
   G03B7/099C2: . . . . TTL measuring
   G03B7/099C2C: . . . . . in mirror-reflex cameras G03B7/099C2D takes precedence
   G03B7/099C2C10: . . . . . . with a movable light-measuring element
   G03B7/099C2C12: . . . . . . Protection against viewer backlight or integration of the viewer light into the measured light
   G03B7/099C2C2: . . . . . . using the mirror as sensorlight reflecting or transmitting member
   G03B7/099C2C4: . . . . . . using the mirror as sensor
   G03B7/099C2C6: . . . . . . using the film or shutter as sensorlight reflecting member
   G03B7/099C2C8: . . . . . . the sensor being mounted in, before, or behind the porro-prism
   G03B7/099C2D: . . . . . Multi-zone light measuring
   G03B7/10: . . a servo-motor providing energy to move the setting member
   G03B7/12: . . a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
   G03B7/14: . . . setting of both shutter and diaphragm aperture being effected so as to give the optimum compromise between depth of field and shortness of exposure
   G03B7/16: in accordance with both the intensity of the flash source and the distance of the flash source from object, e.g. in accordance with "guide number" of flash bulb and the focusing of the camera
   G03B7/18: in accordance with light-reducing "factor" of filter or other obturator used with or on the lens of the camera
   G03B7/20: in accordance with change of lens
   G03B7/22: in accordance with temperature or height,e.g. in aircraft
   G03B7/24: automatically in accordance with markings or other means indicating film speed or kind of film on the magazine to be inserted in the camera
   G03B7/26: Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
   G03B7/28: Circuitry to measure or to take account of the object contrast
   G03B9/00: Exposure-making shutters; Diaphragms
   G03B9/02: Diaphragms
   G03B9/04: . . Single movable plate with two or more apertures of graded size, e.g. sliding plate, pivoting plate
   G03B9/06: . . Two or more co-operating pivoted blades e.g. iris type
   G03B9/07: . . with means for presetting the diaphragm
   G03B9/08: Shutters
   G03B9/10: . . Blade or disc rotating or pivoting about axis normal to its plane
   G03B9/12: . . . Two relatively-adjustable aperture-defining members moving as a unit
   G03B9/14: . . . Two separate members moving in opposite directions
   G03B9/16: . . . Two separate members moving in the same direction
   G03B9/18: . . . More than two members
   G03B9/20: . . . . each moving in a single direction first to open and then to reclose
   G03B9/22: . . . . each moving in one direction to open and then in opposite direction to close, e.g. iris type
   G03B9/24: . . . Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable
   G03B9/26: . . . incorporating cover blade or blades
   G03B9/28: . . Roller blind or flexible plate
   G03B9/30: . . . Single blind with multiple slots or other aperture
   G03B9/32: . . . Double blind
   G03B9/34: . . . . with adjustable slot; with mechanism controlling relative movement of blinds to form slot
   G03B9/36: . . Sliding rigid plate
   G03B9/38: . . . Single rigid plate with multiple slots or other apertures
   G03B9/40: . . . Double plate
   G03B9/42: . . . . with adjustable slot; with mechanism controlling relative movement of plates to form slot
   G03B9/44: . . . Curved track and plate
   G03B9/46: . . Flap shutters pivoting about axis in plane of flap
   G03B9/48: . . . Double flap
   G03B9/50: . . . Louvre type
   G03B9/52: . . Barrel shutters
   G03B9/54: . . Conical shutters; Rotating plate with axis of rotation inclined to optical axis of shutter
   G03B9/58: Means for varying duration of "open" period of shutter
   G03B9/60: . . by varying speed of movement of obturating members
   G03B9/62: . . by varying interval of time between end of opening movement and beginning of closing movement
   G03B9/64: Mechanism for delaying opening of shutter
   G03B9/66: Means for cocking shutter separete from means for releasing shutter
   G03B9/68: . . Cocking effected by movement of film
   G03B9/70: with flash-synchronising contacts
   G03B11/00: Filters or other obturators specially adapted for photographic purposes (filters per se G02B 5/20 ) [M1207]
   G03B11/02: Sky masks
   G03B11/04: Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
   G03B11/04B: . . [N: Lens caps as separate accessory (accessories in general G03B17/56)]
   G03B11/04D: . . [N: Protective lens closures or lens caps built into cameras]
   G03B11/04F: . . [N: Lens hoods or shields]
   G03B11/04H: . . [N: for viewfinders or eyepieces]
   G03B11/04Z: . . [N: Hoods or caps not provided for in groups G03B11/04B to G03B11/04H]
   G03B11/06: . . Lens caps for exposure making
   G03B13/00: Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
   G03B13/02: Viewfinders
   G03B13/04: . . of direct vision type, e.g. frame, sighting mark
   G03B13/06: . . with lenses with or without reflectors
   G03B13/08: . . . with reflected image of frame
   G03B13/10: . . adjusting viewfinders field
   G03B13/12: . . . to compensate for change of camera lens or size if picture
   G03B13/14: . . . to compensate for parallax due to short range
   G03B13/16: . . combined with focusing aids
   G03B13/18: Focusing aids
   G03B13/20: . . Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
   G03B13/22: . . . coupling providing for compensation upon change of camera lens
   G03B13/24: . . Focusing screens
   G03B13/26: . . . with magnifiers for inspecting image formed on screen
   G03B13/28: . . . Image-splitting devices
   G03B13/30: . . indicating depth of field
   G03B13/32: Means for focusing
   G03B13/34: . . Power focusing
   G03B13/36: . . . Autofocus systems
   G03B15/00: Special procedures for taking photographs; Apparatus therefor
   G03B15/00B: Apparatus for photographing CRT-screens
   G03B15/00C: Apparatus mounted on flying objects
   G03B15/02: Illuminating scene
   G03B15/03: . . Combinations of cameras with lighting apparatus; Flash units
   G03B15/035: . . . Combinations of cameras with incandescent lamps
   G03B15/04: . . . Combinations of photographic apparatus with non-electronic flash apparatus; Non-electronic flash units
   G03B15/04B: . . . . Non-electronic flash apparatus incorporated in photographic apparatus
   G03B15/04C: . . . . Separatable flash apparatus; Means for mounting the flash apparatus on the photographic apparatus
   G03B15/04C2: . . . . . Mounting means comprising transversal slide and separate cable
   G03B15/04C3: . . . . . Mounting means comprising transversal slide and incorporated contacts of the type "Hot shoe"
   G03B15/04C4: . . . . . Mounting means comprising longitudinal slide and incorporated contacts (for multiple lamps)
   G03B15/04C5: . . . . . Rotatable mounting means
   G03B15/04C6: . . . . . Mounting means for sequential translation
   G03B15/04D: . . . . Constructional details of the flash apparatus; Arrangement of lamps, reflectors, or the like G03B15/04P2 takes precedence
   G03B15/04D2: . . . . . Energy sources; Batteries; Capacitors
   G03B15/04F: . . . . Electrical ignition means connected to the shutter
   G03B15/04F2: . . . . . Ignition mechanisms for sequential ignition of flash lamps
   G03B15/04F3: . . . . . Piezo-electric ignition mechanisms
   G03B15/04F4: . . . . . Ignition mechanisms permitting choice of multiple ignition modes; Adaptors for different modes
   G03B15/04F5: . . . . . Remote controlled ignition mechanisms
   G03B15/04P: . . . . Combinations of photographic apparatus with percussion type flash ignition systems
   G03B15/04P2: . . . . . Constructional details of the flash apparatus
   G03B15/04P3: . . . . . Means for ignition by percussion
   G03B15/04P4: . . . . . [N: Means for mounting percussion type flash apparatus
   G03B15/05: . . . Combinations of cameras with electronic flash apparatus; Electronic flash units
   G03B15/06: . . Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio
   G03B15/07: . . . Arrangements of lamps in studios
   G03B15/08: Trick photography
   G03B15/10: . . using back-projection, i.e. blending artificial background with real foreground
   G03B15/12: . . using mirrors
   G03B15/14: for taking photographs during medical operations
   G03B15/16: for photographing the track of moving objects
   G03B17/00: Details of cameras or camera bodies; Accessories therefor
   G03B17/02: Bodies
   G03B17/04: . . collapsible, foldable, or extensible, e.g. book-type
   G03B17/04B: . . . Bellows
   G03B17/06: . . with exposure meters or other indicators built into body but not connected to other camera members
   G03B17/08: . . Waterproof bodies or housings
   G03B17/10: . . Soundproof bodies
   G03B17/12: . . with means for supporting objectives, supplementary lenses, filters, masks, or turrets
   G03B17/14: . . . interchangeably
   G03B17/16: . . for containing both motion-picture camera and still-picture camera
   G03B17/17: . . with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
   G03B17/18: Signals indicating condition of a camera member or suitability of light
   G03B17/20: . . visible in viewfinder
   G03B17/22: with means for cutting-off film
   G03B17/24: with means for separately producing marks on the film, e.g. title, time of exposure
   G03B17/24B: . . Optical means
   G03B17/26: Holders for containing light sensitive material and adapted to be inserted within the camera
   G03B17/26B: . . specially adapted for motion picture film e.g. cassettes cassettes for projection purposes G03B21/32B2
   G03B17/28: Locating light-sensitive material within camera
   G03B17/30: . . Locating spools or other rotatable holders of coiled film
   G03B17/30B: . . . for roll film cameras
   G03B17/32: . . Locating plates or cut films
   G03B17/34: . . . Changing plates or cut films
   G03B17/36: Counting number of exposures
   G03B17/38: Releasing-devices separate from shutter
   G03B17/40: . . with delayed or timed action
   G03B17/42: Interlocking between shutter operation and advance of film or change of plate or cut-film
   G03B17/42B: . . motor drive cameras
   G03B17/44: Means for exchanging focusing screen and light sensitive material
   G03B17/46: Means for exposing single frames in motion-picture camera
   G03B17/48: adapted for combination with other photographic or optical apparatus
   G03B17/50: . . with both developing and finishing apparatus
   G03B17/52: . . . of the Land type
   G03B17/53: . . . for automatically delivering a finished picture after a signal causing exposure has been given, e.g. by pushing a button, by inserting a coin
   G03B17/54: . . with projector
   G03B17/55: with provision for heating or cooling, e.g. in aircraft
   G03B17/56: Accessories
   G03B17/56B: . . [N: Support related camera accessories]
   G03B17/56D: . . [N: Camera grips, handles (means in general for steadying hand-held apparatus F16M13/00)]
   G03B17/56F: . . [N: Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors]
   G03B17/56H: . . [N: Accessory clips, holders, shoes to attach accessories to camera (if integral part of camera body G03B17/02)]
   G03B17/56Z: . . [N: Camera accessories not provided in groups G03B17/36B to G03B17/56H]
   G03B17/58: . . Attachments for converting cameras into reflex cameras
   G03B19/00: Cameras
   G03B19/02: Still-picture cameras
   G03B19/02B: . . Multi-image cameras
   G03B19/02B2: . . . Sequence cameras
   G03B19/04: . . Roll-film cameras
   G03B19/06: . . . adapted to be loaded with more than one film, e.g. with exposure of one or the other at will
   G03B19/07: . . . having more than one objective
   G03B19/08: . . . with provision for alternative use with plates or cut-films
   G03B19/10: . . Plate or cut-film cameras
   G03B19/12: . . Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
   G03B19/14: . . with paired lenses, one of which forms image on photographic material and the other forms a corresponding image on a focusing screen
   G03B19/16: . . Pin-hole cameras
   G03B19/18: Motion-picture cameras
   G03B19/20: . . Reflex cameras
   G03B19/22: . . Double cameras
   G03B19/24: . . adapted to be loaded with more than one film, e.g. with exposure of one or the other at will
   G03B19/26: . . with fade-in and fade-out effects
   G03B21/00: Projectors or projection-type viewers; Accessories therefor laser projectors using scanning devices H04N9/31L; interactive projectors, e.g. whiteboards, with input means to control the projection G06F3/00; optical distortion correction, e.g. keystone G03B21/14; projection devices comprising an electronic spatial light modulator and peculiar thereto H04N5/74 or H04N9/31 [M1207]
   G03B21/00B: [N: Slide projectors]
   G03B21/00D: [N: Cine-projectors]
   G03B21/00F: [N: Projectors using an electronic spatial light modulator but not peculiar thereto]
   G03B21/00F2: . . [N: using LCD's]
   G03B21/00F4: . . [N: using micro-mirror devices]
   G03B21/02: Multiple-film apparatus
   G03B21/04: . . Picture "juke-boxes"
   G03B21/06: affording only episcopic projection
   G03B21/08: affording epidiascopic projection
   G03B21/10: Projectors with built-in or built-on screen
   G03B21/11: . . for microfilm reading
   G03B21/11B: . . . of roll films
   G03B21/11B1: . . . . Handling roll films
   G03B21/11C: . . . of microfiches
   G03B21/11C1: . . . . Handling microfiches
   G03B21/11D: . . . Reader-printers
   G03B21/12: adapted for projection of either still pictures or motion pictures
   G03B21/13: Projectors for producing special effects at the edges of picture, e.g. blurring
   G03B21/132: Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
   G03B21/134: Projectors combined with typing apparatus or with printing apparatus
   G03B21/14: Details
   G03B21/14D: . . [N: Adjusting of projection optics]
   G03B21/14F: . . [N: Housing details, e.g. position adjustments thereof]
   G03B21/14H: . . [N: Optical correction of image distortions, e.g. keystone]
   G03B21/16: . . Cooling; Preventing overheating
   G03B21/18: . . Fire preventing or extinguishing
   G03B21/20: . . Lamp houses (condensers per se G02B)
   G03B21/20B: . . . [N: characterised by the light source]
   G03B21/20B2: . . . . [N: Plural light sources]
   G03B21/20B4: . . . . [N: Incandescent light sources]
   G03B21/20B6: . . . . [N: Gas discharge type light sources, e.g. arcs]
   G03B21/20B8: . . . . [N: LED or laser light sources]
   G03B21/20B8B: . . . . . [N: using secondary light emission, e.g. luminescence or fluorescence (using different colours G03B33/00; if related to video signals H04N9/31V)]
   G03B21/20D: . . . [N: Positional adjustment of light sources]
   G03B21/20F: . . . [N: Intensity control of illuminating light (controlled by video signal processing H04N5/74 or H04N9/31)]
   G03B21/20H: . . . [N: Control of light source other than position or intensity]
   G03B21/20J: . . . [N: Reflectors in illumination beam (in projection beam G03B21/28)]
   G03B21/20L: . . . [N: Polarisers in the lamp house (peculiar to electronic spatial light modulators H04N9/31V)]
   G03B21/20N: . . . [N: Homogenising, shaping of the illumination light]
   G03B21/20P: . . . [N: Security or safety means in lamp houses]
   G03B21/20Z: . . . [N: Details of lamp houses not provided in groups G03B21/20B to G03B21/20P]
   G03B21/22: . . Soundproof bodies
   G03B21/26: . . Projecting separately subsidiary matter simultaneously with main image
   G03B21/28: . . Reflectors in projection beam [N: in illumination beam G03B21/20J]
   G03B21/30: . . adapted to collapse or fold, e.g. for portability
   G03B21/32: . . Details specially adapted for motion-picture projection
   G03B21/32B: . . . Holders for films, e.g. reels, cassettes, spindles
   G03B21/32B2: . . . . Cassettes G03B21/32B3, G03B21/32B4 take precedence; for containing light-sensitive material G03B17/26B
   G03B21/32B2B: . . . . . Endless cassettes
   G03B21/32B3: . . . . Means for fixing the film on the axis of a reel or spindle
   G03B21/32B4: . . . . Means for fixing the film on the periphery of a reel
   G03B21/34: . . . Change-over arrangements
   G03B21/36: . . . . Fades, dissolves, or wipes
   G03B21/38: . . . Prolonged exhibition of single frame
   G03B21/40: . . . Eliminating or reducing effect of flicker
   G03B21/42: . . . Preventing damage to film due to abnormal operation of projector
   G03B21/43: . . . Driving mechanisms
   G03B21/44: . . . . Mechanisms transmitting motion to film-strip feed; Mechanical linking of shutter and intermittent feed
   G03B21/46: . . . . . affording adjustment for framing
   G03B21/48: . . . . . for altering frame speed; for regulating constancy of film speed
   G03B21/50: . . . Control devices operated by the film strip during the run
   G03B21/52: . . . . by prepared film
   G03B21/53: . . Means for automatic focusing, e.g. to compensate thermal effects
   G03B21/54: Accessories
   G03B21/56: . . Projection screens
   G03B21/56B: . . . Screens moving during projection G03B21/58 to G03B21/62 take precedence
   G03B21/56C: . . . Screens allowing free passage of sound G03B21/58 to G03B21/62 take precedence
   G03B21/56D: . . . [N: for colour projection (G03B21/58, G03B21/60 take precedence)]
   G03B21/58: . . . collapsible, e.g. foldable; of variable area
   G03B21/58B: . . . . Inflatable screens
   G03B21/60: . . . [N: Characterised by the nature of the surface]
   G03B21/60B: . . . . Lenticular G03B21/62B takes precedence [M1112]
   G03B21/60C: . . . . [N: Polarised]
   G03B21/60D: . . . . [N: For relief projection]
   G03B21/60F: . . . . Fluid screens
   G03B21/62: . . . . Translucent screens
   G03B21/62B: . . . . . [N: Lenticular translucent screens]
   G03B21/64: . . Means for mounting individual pictures to be projected, e.g. frame for transparency
   G03B23/00: Devices for changing pictures in viewing apparatus or projectors
   G03B23/02: in which a picture is removed from a stock and returned to the same stock or another one; Magazines therefor
   G03B23/04: . . with linear movement
   G03B23/04A: . . . whereby the picture is not returned to the same stock after projection
   G03B23/04B: . . . whereby the picture is returned to the same stock
   G03B23/04C: . . . Picture changing devices
   G03B23/04D: . . . with horizontally sliding mechanism
   G03B23/06: . . with rotary movement
   G03B23/08: in which pictures are attached to a movable carrier
   G03B23/10: . . drum or disc carrier
   G03B23/10B: . . . disc carriers
   G03B23/12: . . linear strip carrier
   G03B23/12B: . . . the pictures being attached to a chain or linked up to form a chain
   G03B23/14: Carriers operable to move pictures into, and out of, the projection or viewing position and carrying one or two pictures only in a removable manner also other devices not provided with a stock, e.g. chutes
   G03B23/18: with fade-in and fade-out effects
   G03B25/00: Viewers, other than projection viewers, giving motion-picture effects by persistence of vision, e.g. zoetrope
   G03B25/02: with interposed lenticular or line screen
   G03B27/00: Photographic printing apparatus
   G03B27/02: Exposure apparatus for contact printing
   G03B27/04: . . Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame, printing box
   G03B27/06: . . . for automatic repeated copying of the same original
   G03B27/08: . . . for automatic copying of several originals one after the other, e.g. for copying cinematograph film
   G03B27/10: . . Copying apparatus with a relative movement between the original and the light source during exposure
   G03B27/12: . . . for automatic repeated copying of the same original
   G03B27/14: . . Details
   G03B27/16: . . . Illumination arrangements, e.g. positioning of lamps, positioning of reflectors
   G03B27/18: . . . Maintaining or producing contact pressure between original and light-sensitive material
   G03B27/20: . . . . by using a vacuum or fluid pressure
   G03B27/22: . . . . by stretching over a curved surface
   G03B27/24: . . . Separating the original from the print
   G03B27/26: . . . Cooling
   G03B27/28: . . . Edge-masking devices
   G03B27/30: . . . adapted to be combined with processing apparatus
   G03B27/30G: . . . . Gas processing gas processing apparatus G03D7/00
   G03B27/30H: . . . . Heat development heat development apparatus G03D13/00D
   G03B27/32: Projection printing apparatus, e.g. enlarger, copying camera
   G03B27/32C: . . Copying cameras G03B27/34 to G03B27/70 take precedence
   G03B27/32E: . . Enlargers G03B27/34 to G03B27/70 take precedence
   G03B27/34: . . Means for automatic focusing therefor
   G03B27/36: . . . by mechanical connections, e.g. by cam, by linkage
   G03B27/38: . . . . embodying screws with non-uniform pitch
   G03B27/40: . . . . adapted for use with lenses of different focal length
   G03B27/42: . . for automatic sequential copying of the same original
   G03B27/42C: . . . in copying cameras
   G03B27/42E: . . . in enlargers
   G03B27/44: . . for multiple copying of the same original at the same time
   G03B27/46: . . for automatic sequential copying of different originals, e.g. enlargers, roll film printers
   G03B27/465: . . . at different positions of the same strip, e.g. microfilm
   G03B27/46E: . . . in enlargers, e.g. roll film printers
   G03B27/47: . . . at different positions of the same sheet, e.g. microfiche
   G03B27/475: . . . copying cinematographic film
   G03B27/48: . . . with original in the form of a film strip moving continuously and compensation for consequent image movement
   G03B27/50: . . with slit or like diaphragm moving over original for progressive exposure
   G03B27/52: . . Details
   G03B27/52C: . . . Arrangements for applying a supplementary information onto the sensitive material, e.g. coding producing marks on the film in cameras G03B17/24
   G03B27/52P: . . . Projection optics for electro-photographic copiers in particular G03G15/04
   G03B27/52P1: . . . . for full time exposure
   G03B27/52P2: . . . . for slit exposure
   G03B27/52P2M: . . . . . in which the projection optics move
   G03B27/52P2M1: . . . . . . as a whole in a translatory movement
   G03B27/52P2S: . . . . . in which the projection optics remain stationary
   G03B27/53: . . . Automatic registration or positioning of originals with respect to each other or the photosensitive layer
   G03B27/54: . . . Lamp housings; Illuminating means
   G03B27/54C: . . . . for copying cameras, reflex exposure lighting
   G03B27/54E: . . . . for enlargers
   G03B27/54E1: . . . . . colour mixing heads
   G03B27/56: . . . Mounting enlarger head on column Mounting reproduction camera on column
   G03B27/58: . . . Baseboards, masking frames, or other holders for the sensitive material
   G03B27/58C: . . . . in copying cameras G03B27/60 takes precedence
   G03B27/58E: . . . . Baseboards, easels
   G03B27/58M: . . . . Handling microfiche
   G03B27/58S: . . . . Handling cut photosensitive sheets
   G03B27/58S1: . . . . . Supply stacks; Peeling off
   G03B27/58W: . . . . Handling photosensitive webs G03B1/00 takes precedence
   G03B27/58W1: . . . . . Supply rolls; Cutting arrangements
   G03B27/60: . . . . using a vacuum or fluid pressure
   G03B27/62: . . . Holders for the original
   G03B27/62C: . . . . in copying cameras
   G03B27/62C1: . . . . . Copy boards
   G03B27/62C2: . . . . . Transparent copy platens
   G03B27/62C2C: . . . . . . Platen covers
   G03B27/62C2R: . . . . . . Reciprocating copy platens
   G03B27/62C3: . . . . . Masks; Overlays; Transparent carriers
   G03B27/62C4: . . . . . Apparatus which relate to the handling of originals, e.g. presence detectors, inverters
   G03B27/62C4R: . . . . . . Arrangements for moving an original once or repeatedly to or through an exposure station
   G03B27/62C4S: . . . . . . Arrangements for moving several originals one after the other to or through an exposure station
   G03B27/62E: . . . . in enlargers
   G03B27/62E1: . . . . . Handling single frame negatives
   G03B27/62E2: . . . . . Handling strips G03B1/00 takes precedence
   G03B27/62E3: . . . . . Handling microfiche
   G03B27/64: . . . . using a vacuum or fluid pressure
   G03B27/66: . . . specially adapted for holding half-tone screens
   G03B27/68: . . . Introducing or correcting distorsion, e.g. in connection with oblique projection
   G03B27/70: . . . Reflectors in printing beam
   G03B27/72: Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
   G03B27/72A: . . when the reproduction scale is changed
   G03B27/72B: . . Optical projection devices wherein the contrast is controlled electrically (e.g. cathode ray tube masking)
   G03B27/72C: . . Optical projection devices wherein the contrast is controlled optically (e.g. uniform exposure, two colour exposure on variable contrast sensitive material)
   G03B27/73: . . Controlling exposure by variation of spectral composition, e.g. multicolor printers
   G03B27/73B: . . . in dependence upon automatic analysis of the original
   G03B27/74: . . Positioning exposure meters in the apparatus
   G03B27/80: . . in dependence upon automatic analysis of the original
   G03B29/00: Combinations of cameras, projectors, or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks, weapons; Cameras having the shape of other objects
   G03B31/00: Associated working of cameras or projectors with sound recording or reproducing means
   G03B31/02: in which sound track is on a moving-picture film
   G03B31/04: in which sound track is not on, but is synchronised with, a moving-picture film
   G03B31/06: in which sound track is associated with successively-shown still pictures
   G03B31/08: with fade-in and fade-out effects
   G03B33/00: Colour photography, other than mere exposure or projection of a colour film
   G03B33/02: by two-colour separation records, e.g. red-aspect and white complete records; using Land effect
   G03B33/04: by four or more separation records
   G03B33/06: by additive-colour projection apparatus
   G03B33/08: Sequential recording or projection
   G03B33/10: Simultaneous recording or projection
   G03B33/12: . . using beam-splitting or beam-combining systems, e.g. dichroic mirrors
   G03B33/14: . . using lenticular screens
   G03B33/16: . . using colour-pattern screens
   G03B35/00: Stereoscopic photography
   G03B35/02: by sequential recording
   G03B35/04: . . with movement of beam-selecting members in a system defining two or more view-points
   G03B35/06: . . with axial movement of lens or gate between exposures
   G03B35/08: by simultaneous recording
   G03B35/10: . . having single camera with stereoscopic-base-defining system
   G03B35/12: . . involving recording of different view-point images in different colours on a colour film
   G03B35/14: Printing apparatus specially adapted for conversion between different types of record
   G03B35/16: by sequential viewing
   G03B35/18: by simultaneous viewing
   G03B35/20: . . using two or more projectors
   G03B35/22: . . using single projectors with steroscopic-base-defining system
   G03B35/24: . . using apertured or refractive resolving means on screens or between screen and eye
   G03B35/26: . . using polarised or coloured light separating different viewpoint images
   G03B37/00: Panoramic or wide-screen photography; photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
   G03B37/00B: Photographing internal surfaces, e.g. of pipe, G03B37/02 to G03B37/06 take precedence; Instruments for performing medical examinations of cavities or tubes of the body by photographic inspection A61B1/00
   G03B37/02: with scanning movement of lens or cameras
   G03B37/04: with cameras or projectors providing touching or overlapping fields of view
   G03B37/06: involving anamorphosis
   G03B39/00: High-speed photography
   G03B39/00B: using image converters or amplifiers
   G03B39/02: using stationary plate or film
   G03B39/04: using moving plate or film
   G03B39/06: using light-guides for transferring image frame or elements thereof into different array, e.g. into a line
   G03B41/00: Special techniques not covered by groups G03B31/00 to G03B39/00 ; Apparatus therefor
   G03B41/02: using non-intermittently running film
   G03B41/02B: . . combined with shutter
   G03B41/02C: . . combined with slit
   G03B41/04: . . with optical compensator
   G03B41/06: . . . with rotating reflecting member
   G03B41/08: . . . with rotating transmitting member
   G03B41/10: . . . with oscillating reflecting member
   G03B41/12: . . . with oscillating transmitting member
   G03B41/14: . . Overcoming image movement by brief flashes of light
   G03B42/00: Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
   G03B42/02: using X-rays
   G03B42/02C: . . Apparatus for direct X-ray cinematography circuit arrangements for obtaining a series of X-ray photographs or for X-ray cinematography H05G1/60
   G03B42/02C2: . . . Apparatus for indirect X-ray cinematography i.e. by taking pictures on ordinary film from the images on the fluorescent screen by transforming the picture information intermediately into electrical signals G03B27/72B
   G03B42/02P: . . Positioning or masking the X-ray film cartridge in the radiographic apparatus
   G03B42/02S: . . for obtaining three-dimensional pictures
   G03B42/02T: . . Industrial applications
   G03B42/04: . . Holders for X-ray films
   G03B42/04D: . . . for dental applications see also A61B6/14; individual packages for X-ray film G03C3/00D
   G03B42/04L: . . . apparatus for loading or unloading the holders
   G03B42/04M: . . . provided with marking means
   G03B42/06: using ultrasonic, sonic or infrasonic waves
   G03B42/08: Visualising the records by optical means
   G03B43/00: Testing correct operation of photographic apparatus or parts thereof
   G03B43/02: Testing shutters