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Patent Searching and Data


Matches 51 - 100 out of 6,852

Document Document Title
WO/2000/028375A1
The invention has a plurality of embodiments in which an image modifier (20) is located at either the film plane or gate (18) or an intermediate focussing plane of the camera (10). In one embodiment, the modifier may be moved to two posi...  
WO1999056172A3
A variable size projection screen apparatus comprises image projection means with image feed means and beam generation means, and a screen for imaging the beam. The screen image can be resized in at least two distinctly different sizes. ...  
WO/2000/002086A1
The invention relates to a device for the intermittent transport of a motion-picture film having perforated holes and for positioning and fixing the motion-picture film in front of an image aperture (6). Said device comprises an intermit...  
WO1999056172A8
A variable size projection screen apparatus comprises image projection means with image feed means and beam generation means, and a screen for imaging the beam. The screen image can be resized in at least two distinctly different sizes. ...  
WO/1999/056172A2
A variable size projection screen apparatus comprises image projection means with image feed means and beam generation means, and a screen for imaging the beam. The screen image can be resized in at least two distinctly different sizes. ...  
WO/1999/052107A1
A leader pin assembly (10) for attachment to tape (30) as a generic and space-efficient interface between tape and equipment which manipulates the tape, and a method for making the same. The leader pin assembly preferably includes a lead...  
WO/1999/034253A1
A device is disclosed for sensing, exchanging and storing data in a motion picture camera and cassette system comprising at least one motion picture camera 101, 102 and several film cassettes 201-204 containing an exposed and/or unexpose...  
WO/1999/008155A1
The present invention relates to film transport systems for motion picture projectors and, more particularly, to a film projector movement that is capable of transporting film prints having frames spanning a predetermined number of perfo...  
WO/1998/044388A1
A film transport (30) and method for use with an image transfer system to sequentially register respective frames of motion picture film within the field of view of an image recorder (14). The transport (30) includes a gate (60) having a...  
WO/1997/042544A1
A compact rolling loop motion picture projector has a rotor of significantly smaller diameter than a conventional such rotor. The radius of curvature of the rotor is selected to be significantly less than the radius of curvature of a fil...  
WO/1997/039571A1
A linear motor driven film gate for a motion picture telecine and methods for operation. A housing associated with a telecine optical block is operative to support and transport a single film frame in a precisely controlled linear motion...  
WO/1997/029401A1
A switchable pulldown film projection system comprising a film transport system (10) for transporting film (12) through a projector (14). The film transport system (10) has a plurality of sprockets (22, 24 and 28) teeth for engaging perf...  
WO/1997/024641A2
A simplified trigger (334), shutter (172) and film advance system such as for use in a camera. In a preferred embodiment the system is mounted in a housing (264) and includes a trigger (334) with a trigger button for pressing by the oper...  
WO/1997/010531A1
A method is described for producing Cinemascope-type motion picture images that have a large aspect ratio (e.g. 2.35 to 1), which enables their high quality projection using moderately priced projection lenses, which produces a steadier ...  
WO/1997/006466A1
A reloadable film canister system (100) provides light-tight and dust-free enclosure (110) for 105 mm microfilm (120) and the like. A gear-toothed reel (118) inside the canister (110) meshes with a gear assembly (124) of the canister (11...  
WO/1997/000572A1
A picture inputting device which reads a picture recorded on a 35-mm film or a film housed in a cartridge of the new photography system and inputs the picture to a computer after converting the picture into digital picture signals. A fil...  
WO/1996/042166A1
Individual frames of images recorded on an optical film are read by a scanner (11) and are converted to electrical image data, andthese data are stored in a main memory (21). A memory control portion (2) controls the read and write opera...  
WO/1996/038761A1
A camera uses a cartridge (1) comprising flexible flanges (5, 6) provided on both ends of a spool (3) in the cartridge and having annular projections which serve to prevent a roll of film from loosening and apply press-forces in directio...  
WO/1996/019751A1
A rotary film advancement apparatus (10) for use in a motion picture camera or projector which uses film (14) having pairs of evenly spaced perforations located near the edges of the film having a steering channel (20) which defines a cl...  
WO/1996/008747A1
According to the invention, the inter-image perforations are offset in order to clear an inter-image surface capable of receiving all professional codes and information. Applications particularly to the process of virtual mounting, time ...  
WO/1995/030177A1
An add-on module (14) for a contact printer used to manufacture a motion picture. The module (14) enables the printing of a digital optical soundtrack on motion picture film from a sound negative (16) using a conventional contact printer...  
WO/1995/022226A1
When a plurality of multi-contrast images for medical care are printed on one film (F), the name of a patient, etc., for specifying the film (F) is extracted from a plurality of images printed, and it is magnified properly and printed in...  
WO/1994/029767A1
A simplified trigger (34), shutter (72) and film advance system such as for use in a camera. In a preferred embodiment the system is mounted in a housing (10 and 22) and includes a trigger (34) with a trigger button (38) for pressing by ...  
WO/1994/010603A1
A camera housing for use with rolls of standard or non-standard light-sensitive film in order to take a series of pictures in different formats while changing formats between exposures and without wasting any light-sensitive material, sa...  
WO/1993/017365A1
The invention concerns a film-winding device with a drive motor, a film-feed mechanism (1) and two skid-shaped guides (2, 3) forming a channel for the film. One of the guides is rigidly connected to the feed mechanism and can be displace...  
WO/1993/012456A1
A new 35mm film print (88), film printer and projector (196) method and apparatus are disclosed for 1:1 optical replication of useable wide screen (58) formats defined by established boundaries of wide screen camera composition relative ...  
WO/1993/006520A1
A motion picture which includes a plurality of scenes is shot by selecting at least two different film frame rates for recording the scenes, predetermining one of said rates for each scene and recording each scene on film at the film fra...  
WO/1992/022490A1
A mechanism (10 or 10A), for accomplishing intermittent or inconstant drive operation in various applications, including a motion picture film camera or projector. In a cinematic application the drive is able to intermittently advance a ...  
WO/1992/008162A1
A projector having a rolling loop film transport mechanism is provided with a film decelerating cam unit (52) that is located in advance of the aperture of the projector. Deceleration pins (66) carried by a pair of vertically spaced arms...  
WO/1992/006407A1
Film flattening apparatus (10) and method wherein a base (30) having a flat surface (32) contacts the film (12) as it moves thereacross in a given direction, the surface having an aperture (34) defined therein, respective portions (50, 5...  
WO/1992/006404A1
A reloadable film canister (11) includes a light-tight enclosure (18) with an aperture for dispensing film therethrough. A spool (23) of film may be loaded into the enclosure, and may be removed when the film is dispensed. In one embodim...  
WO/1992/005467A1
Non-contact air film conveyors are suited for conveying elongated strips (46) of web material such as photographic film and include a track plate (12) having gas flow apertures (20, 24; 72, 74) extending through its thickness at angles t...  
WO/1991/015801A1
An optical-mechanical rotation sensing mechanism for a web-roll (12) rotatably mounted within a cartridge (10) comprises a flange (20) on the web-roll (12), activating means (54, 56) on the flange (20), and an optical sensor (L, 46), out...  
WO/1991/015802A1
A pulse generating mechanism for a photosensitive web-roll (31), mounted for rotation within a light-tight cartridge (10), comprises a flange (28) on the web-roll (31); a plurality of activating means (44, 46) on the flange (28) that are...  
WO/1991/015804A1
A web-spool (40) for a cartridge (10) comprises a cylindrical core (44) having an outer periphery at each end thereof with at least one core lug (48) and an annular ring (52) extending radially outward from each periphery in axially spac...  
WO/1991/015075A1
A rigid cylinder (56) is rotated about its axis of symmetry at a relatively high rate of speed by means of a motor. Around a portion of the circumference of the rotating cylinder is wrapped a flexibly imaging medium such as photographic ...  
WO/1991/015076A1
A rigid transparent cylinder (56) is rotated about its axis of symmetry at a relatively high rate of speed by means of a motor (58). Around a portion of the circumference of the rotating cylinder is wrapped a flexible imaging medium such...  
WO/1991/012557A1
In photographic printing, it is desired to be able to align each frame of a negative prior to printing. In one known method of carrying out such alignment, a notch is produced in the negative which acts as a datum from which all other de...  
WO/1991/008512A1
A platen (3) has a flat working surface and an aperture (5). A proximal gripping member (11) is sized, shaped, and positioned to extend along the proximal side of the aperture (5) and to grip a proximal edge of a film (1) between the pla...  
WO/1991/001017A1
Disclosed is a device for determinig the direction of motion and distance moved of a motion-picture film (1) with at least one row of sprocket holes (12, 13). The device has a sensor unit located in the path of motion of the film (1) in ...  
WO/1990/014533A1
A sprocket assembly (20) which allows a film projector or any other film handling device to be readily converted to run film which is either 4-perf or 3-perf. The sprocket assembly (20) includes an outer cylindrical sleeve (22) having te...  
WO/1990/008977A1
A photographic printer is provided with a film strip receiving means including an elongated film strip receiving slot (10, 12). A transport means (14, 18) is activated by a film strip detection means (28, 32) when the leading end of a fi...  
WO/1990/008974A1
Apparatus for detecting the presence of processed photograph film at a particular location comprises a light source which emits green or blue light having a wavelenth in the range of 420-600 nanometers. A light sensor is positioned to re...  
WO/1990/005690A1
The invention relates to a roll brake which can be particularly used for braking a film and/or a film roller when pulling a film out of a film roller. The roll brake comprises an eddy-current brake built inside a brake roll and including...  
WO/1990/004808A1
A film feed system for a cin´┐Ż camera with a grapple claw (2), at least one tip (21, 22) of which moves the film with a perforated edge (10) stepwise past an exposure aperture, and a transport drive comprising an operating arm (5) artic...  
WO/1990/003938A1
An improved film transport assembly (10) is provided for intermittently advancing film (12), without pulldown claws or similar mechanism for engaging film perforations to obtain intermittent transport. The transport assembly includes fil...  
WO/1990/000759A1
In a photographic camera (91), closing movement of a cover door (107) operates to rotate a film spool in anunwinding direction within a film cassette (1), loaded in the camera, to automatically propel a film leader from inside the casset...  
WO/1989/009430A1
Film transport device for discontinuously transporting a film (6) which has at least one row of regularly-distributed perforations and which is led through a film channel having a frame window for the projection of the film frame situate...  
WO/1989/009429A1
Film transport device for a film (6) having at least one regularly distributed row of perforations with a film transport sprocket wheel, the sprockets of which protrude into the film perforations (61) and the sprocket ring of which is li...  
WO/1989/008866A1
A film-strip feed mechanism in a film projector comprises reels, driven by a rewind motor and arranged on either side of a film gate; feed and take-up sprockets arranged between the reels and the film gate, which produce film loops on ei...  

Matches 51 - 100 out of 6,852