Class   352	OPTICS: MOTION PICTURES
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WITH SOUND ACCOMPANIMENT

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. (1 indent ) Cyclic motion pictures with sound (e.g., praxinoscopes

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. (1 indent ) Sound stages, methods and accessories

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.. (2 indent ) Prompters

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. (1 indent ) Methods

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. (1 indent ) Selectively operable plural records, recorders or reproducers

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.. (2 indent ) With change-over control

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.. (2 indent ) Plural sound or picture record selection

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.. (2 indent ) Plural sound reproducers sequentially operable

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.. (2 indent ) Plural sound transducers selectively operable

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. (1 indent ) Sound allocation

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. (1 indent ) Picture and sound synchronizing

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.. (2 indent ) Manual control

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.. (2 indent ) Loop control

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.. (2 indent ) Sound record controls picture

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... (3 indent ) Control actuated by sound record

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.... (4 indent ) Control signal carried by sound record

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... (3 indent ) By position of sound transducer of separate sound means

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.. (2 indent ) Picture controls sound

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... (3 indent ) Control signal carried by picture record

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.. (2 indent ) With independent speed regulation

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.. (2 indent ) With synchronous starting

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.. (2 indent ) With synchronizing indicator

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... (3 indent ) On picture and sound records

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. (1 indent ) With picture and sound control systems

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. (1 indent ) Common picture and sound record carrier systems

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.. (2 indent ) Flexible strip type

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... (3 indent ) Common light source for picture and sound

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... (3 indent ) Spaced picture gate and sound transducers

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.... (4 indent ) With damping

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. (1 indent ) Separate picture and sound carrier systems

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.. (2 indent ) Picture strip and groove-type sound disc or cylinder

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... (3 indent ) Interconnecting drive permits relative position adjustment

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. (1 indent ) Housing and supports

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.. (2 indent ) With acoustic isolation

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. (1 indent ) Reproducer and screen arrangements

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. (1 indent ) Picture and sound recorder carries

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METHODS

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. (1 indent ) Applications (e.g., motion analysis, marksmanship training)

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. (1 indent ) Exhibiting

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.. (2 indent ) Controlling projector illumination

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... (3 indent ) With color filtration

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.. (2 indent ) Enhancing relief illusion

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. (1 indent ) Recording

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.. (2 indent ) Photographing with light filtration

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.. (2 indent ) With plural exposure of a single film

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.. (2 indent ) With projected picture component

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.. (2 indent ) With special scenery and staging effects

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... (3 indent ) Illuminating the subject

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... (3 indent ) Making a series of drawings (e.g., animation methods)

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.... (4 indent ) Using photographic guides

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.... (4 indent ) With manipulation of drawings

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... (3 indent ) Moving camera position

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... (3 indent ) Manipulating puppet or mannequins

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.. (2 indent ) Providing printed titles

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. (1 indent ) Carrier treating or working

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STEREOSCOPIC CAMERAS AND/OR PROJECTORS

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. (1 indent ) Interlineated

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. (1 indent ) Plural film strip

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. (1 indent ) Simultaneous recording or reproducing left-right images

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.. (2 indent ) With image separation by special projection screen

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. (1 indent ) Sequential recording or reproducing left-right images

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.. (2 indent ) With image separation by synchronized viewer

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.. (2 indent ) With reciprocating film stip carrier

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.. (2 indent ) With pre-objective reflecting system

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COLOR CAMERAS AND/OR PROJECTORS USING MONOCHROME FILM

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. (1 indent ) Simultaneously recorded or projected images

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RECORDING OR PROJECTING PICTURE IMAGE DURING CHANGE CYCLE OF PRECEDING PICTURE

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PANORAMIC PICTURE TYPE

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. (1 indent ) Mosaic picture

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.. (2 indent ) With vignetting

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REMOVABLE FILM STRIP MAGAZINE TYPE

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. (1 indent ) Spool or magazine selective

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. (1 indent ) With magazine ejecting

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. (1 indent ) With light trap or occlusion

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.. (2 indent ) Shutter type

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. (1 indent ) With focal plane indexing

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. (1 indent ) Magazines

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.. (2 indent ) Coded signals on magazines

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WITH PLURAL PICTURE SIZES AND TYPES

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. (1 indent ) Plural film width

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INTERLINEATED PICTURE TYPE

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WITH PICTURES IN TRANSVERSE ROWS

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WITH PICTURES IN PLURAL LONGITUDINAL COLUMNS

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TIME COMPRESSION OR EXPANSION (E.G., TIME LAPSE OR HIGH SPEED)

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SPECIAL EFFECTS

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. (1 indent ) Depth illusion

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. (1 indent ) Animation

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. (1 indent ) Sets

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.. (2 indent ) Projected picture component

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. (1 indent ) Titling devices

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. (1 indent ) Transition effects (e.g., wipes and dissolves)

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.. (2 indent ) In a camera

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... (3 indent ) Film transport controlled

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WITH FILM CARRIED CONTROL SIGNALS

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CAMERA WITH PLURAL FIELDS OF VIEW

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CAMERA WITH DEFLECTED FIELD OF VIEW

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GUN-TYPE CAMERAS AND/OR PROJECTORS

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OPAQUE PROJECTORS

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WITH SUPERIMPOSED FILM STRIPS

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INDIVIDUAL PICTURE PLATE TYPE

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. (1 indent ) Book leaf type (e.g., mutotropes)

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. (1 indent ) Traveling observer

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PICTURE DRUM TYPE (E.G., AEOTROPES)

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PICTURE DISC TYPE

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. (1 indent ) Spiral picture arrangement

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CABINET-TYPE PROJECTOR

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OPTICAL RECTIFIER TYPE

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. (1 indent ) Scanning reflectors and refractors

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. (1 indent ) Rotating reflector disc

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. (1 indent ) Rotating reflector drum

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. (1 indent ) Reflector angularly displaced about fixed axis

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. (1 indent ) Reflector displaced

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.. (2 indent ) Plural reflectors

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... (3 indent ) With angular adjustment during displacement

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. (1 indent ) Refractor

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.. (2 indent ) Plural projection lenses

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... (3 indent ) With rotary carrier

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.. (2 indent ) Plural refractor elements with rotary carrier

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... (3 indent ) Lenticular drum

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... (3 indent ) Lenticular disc

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.. (2 indent ) Rotating plano parallel prism

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... (3 indent ) Plate type

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SEQUENTIALLY OPERATED STILL CAMERAS

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. (1 indent ) With film severing or perforating means

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EXHIBITORS WITH PLURAL FILM STRIP SELECTION

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WITH REWINDING OF FILM STRIPS

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. (1 indent ) During projection of another film strip

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WITH NONREWINDING FILM STRIP (E.G., ENDLESS FILM TYPE)

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. (1 indent ) Zigzag or sinuous film support

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. (1 indent ) Coil type

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FILM STRIP VIEWING APPARATUS

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WITH FILM TREATING OR WORKING

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COMBINED WITH DIVERSE-TYPE DEVICE

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. (1 indent ) With manned vehicle

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PLURAL

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. (1 indent ) Projectors with single light source

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. (1 indent ) Projectors with alternately operable shutters

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COVERTIBLE

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. (1 indent ) Still-motion camera

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. (1 indent ) Camera-projector

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WITH CAMERA PARTS DISPLACEABLE FOR FOCUSING

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WITH FOCUS CONTROL

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WITH AUTOMATIC DIAPHRAGM CONTROL

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WITH SELECTION OF PLURAL LENSES

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WITH FILM STRIP FIRE PREVENTION OR ISOLATION

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. (1 indent ) Fire trap

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.. (2 indent ) With film severing

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. (1 indent ) Film cooling

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.. (2 indent ) Single frame projection

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.. (2 indent ) By filters

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. (1 indent ) Auxiliary fire shutter

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.. (2 indent ) Film tension responsive

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... (3 indent ) Slack loop actuation

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.. (2 indent ) Feed speed responsive

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... (3 indent ) Friction drive actuation

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... (3 indent ) Centrifugal actuation

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. (1 indent ) Electrical circuit interrupted by film sensing means

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WITH CONCENTRIC REEL

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WITH THREADING STRUCTURE

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. (1 indent ) Self-feeding type

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WITH LOOP FORMING

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WITH FRAMING AND/OR TRAVEL GHOST ELIMINATION

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. (1 indent ) By alteration of film path length

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. (1 indent ) By relative positioning of gate and drive

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. (1 indent ) By rotation of film drive sprocket

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.. (2 indent ) With shutter synchronization

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. (1 indent ) Shutter adjustments

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CAMERA AND/OR PROJECTOR DRIVE MECHANISMS

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. (1 indent ) With illumination control responsive to drive speed

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. (1 indent ) Having plural or interchangeable drives

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. (1 indent ) With single frame operation

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. (1 indent ) With indicating means

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.. (2 indent ) Visible in viewfinder

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.. (2 indent ) Film footage

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. (1 indent ) With reverse feed

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. (1 indent ) With starting and/or stopping means

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.. (2 indent ) Having timed run

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.. (2 indent ) Responsive to camera or projector elements

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... (3 indent ) Shutter responsive

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.. (2 indent ) Having manual controls

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... (3 indent ) Remotely operated

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. (1 indent ) With speed regulation or selection

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.. (2 indent ) By escapement

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.. (2 indent ) By braking

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. (1 indent ) With feeding belt film engagement

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. (1 indent ) With continuous feed and intermittent film arresting means

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. (1 indent ) With film beater

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. (1 indent ) With reciprocating continuously driven carrier engaging sprocket

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. (1 indent ) With intermittently driven carrier-engaging sprocket

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.. (2 indent ) Cam actuated

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.. (2 indent ) Geneva gear actuated

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.. (2 indent ) Special type gearing

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. (1 indent ) With film engaging claws reciprocally driven to engage film

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.. (2 indent ) Crank pin actuated

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... (3 indent ) With pivoted link or arcuate slot guide

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.. (2 indent ) Cam actuated

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... (3 indent ) Scroll type

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... (3 indent ) With single fixed pivot

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. (1 indent ) With supporting structure

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PROJECTION LIGHT SOURCES

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. (1 indent ) Synchronized with shutter

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. (1 indent ) Intermittent light

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. (1 indent ) Flicker reduction by auxiliary illumination

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. (1 indent ) With ventilation and cooling

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. (1 indent ) Projector illuminators

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SHUTTERS

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. (1 indent ) With plural light paths

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.. (2 indent ) Reflex view type

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. (1 indent ) Rectilinearly movable

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. (1 indent ) Rotary

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.. (2 indent ) With speed-adjusted aperture size

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.. (2 indent ) With apertured or radially deviating blade

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.. (2 indent ) Ventilating

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.. (2 indent ) With light modifying blades

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... (3 indent ) Color

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.. (2 indent ) With axially spaced independently driven blades

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... (3 indent ) Counter rotatable

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... (3 indent ) Variable aperture size

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.... (4 indent ) Dissolve

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.. (2 indent ) With plural blades on spaced axis

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.. (2 indent ) Single drive (e.g., disc type)

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... (3 indent ) Variable number of blades

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GATES

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. (1 indent ) Fluid pressure type

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. (1 indent ) With pressure rollers

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. (1 indent ) With edge guide

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. (1 indent ) With reciprocating pressure plate

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. (1 indent ) With removable aperture plate

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. (1 indent ) With pressure plate tension control

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. (1 indent ) With curved film plane

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. (1 indent ) With gate moving and/or holding structure

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.. (2 indent ) Closure-operated

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. (1 indent ) With lens mounting

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PICTURE CARRIERS

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. (1 indent ) Strip type

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.. (2 indent ) Color

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.. (2 indent ) With leader

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.. (2 indent ) With film-carried indicia

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.. (2 indent ) Reinforced

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.. (2 indent ) Abrasion resistant

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.. (2 indent ) With particular format (e.g., stereoscopic)

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.. (2 indent ) With pictorial matter

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.. (2 indent ) Perforation arrangement

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WITH HOUSING

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WITH SUPPORT

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MISCELLANEOUS

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