Abstract:
A game simulating a sport such as football employs film sequences of plays of an actual game, using cassettes of film of equal length regularly disposed sequences. A sequence selecting apparatus and projector projects a given sequence determined by the selection of cassettes by one player and selection of sequence by another player. The apparatus employs a take-up reel upon which the film is wound before play to align the beginning of a sequence with an optical projection system, and spiral groove control device coupled to the reel for controlling the rotation of the reel to effect the projection of a single sequence. The optical system projects through apertures in the film cassette, and the shutter is operated by a sprocket coupled to the film.
Abstract:
An automatic slide music stand including a cabinet having a compartment in the top portion thereof and holding therein a slide projector, the top of the cabinet having a projection screen formed integrally therewith to receive images from the projector on the back surface thereof and to show such images therethrough, the projector including a power control switch, a brightness control switch for the intensity of the light source of the projector, an adjustable time providing a mode of timed sequential operation of the sequencing of the showing of a series of slides on the projector, and a foot operated switch for manual control of the projector in both a forward and backward slide changing manner, the device operable such that a series of slides having a musical score thereon may be sequentially automatically projected onto the viewing projection screen by either manual operation of the foot switch by the musician or automatically by the timer adjusted to change the slide at a rate corresponding to the desired flow of music to be played by the musician using the stand during the play of his musical instrument.
Abstract:
A cassette changer is provided in the form of an accessory which may be attached to a projector/processor that is configured to receive multi-purpose (self-developing) film handling cassettes. The changer includes a magazine for holding a plurality of cassettes and mechanisms for automatically moving the cassettes, one at a time, between the magazine and an operative position within the projector/processor.
Abstract:
THE HOUSING OF A MOTION PICTURE PROJECTOR IS FORMED WITH A CHANNEL FOR A SET OF CLOSELY ADJACENT CASSETTES EACH OF WHICH CONTAINS A SUPPLY REEL FOR CONVOLUTED MOTION PICTURE FILM. THE CASSETTES ARE MOVABLE STEPWISE BY AN ADVANCING MECHANISM SERVING TO PLACE SUCCESSIVE CASSETTES INTO A PROJECTION POSITION IN WHICH THE FILM IS AUTOMATICALLY DRAWN FROM THE RESPECTIVE SUPPLY REEL, THE IMAGES OF ITS FRAMES PROJECTED ONTO A SCREEN, AND THEREUPON RETURNED INTO THE CASSETTE, EITHER WHILE THE CASSETTE DWELLS IN THE PROJECTION POSITION OR WHILE THE CASSETTE DWELLS A REWINDING POSITION IMMEDIATELY DOWNSTREAM OF THE PROJECTION POSITION. THE MOTOR FOR THE ADVANCING MECHANISM IS STARTED IN RESPONSE TO TENSIONING OF FILM DURING THE LAST STAGE OF WITHDRAWAL FROM THE CASSETTE OCCUPYING THE PROJECTION POSITION, AND THE MOTOR IS ARRESTED BY A PORTION OF THE ADVANCING MECHANISM WHEN THE TRANSPORT OF CASSETTES BY A STEP IS COMPLETED.
Abstract:
Apparatus insertable in and cooperable with a perforated tape reader for providing an improved supply and takeup path for guiding a length of tape past a sensing station in either a selfthreading or endless loop mode. In accordance with the first embodiment of this invention channel members in a cartridge frame define input and output paths for guiding tape in a selfthreading fashion into feeding relationship with a feed sprocket which transports the tape past a sensing station. In accordance with the second embodiment of this invention, an endless loop tape cartridge including a closed, angularly disposed bin and transport path provided protected storage for the tape when it is not in use and protected transport for it when it is being fed past a sensing station. Tape from the endless loop stored in the bin in helical form is fed along a predetermined transport path past a tape sprocket which controls the feeding of tape from the inter loop past the sensing station and on to the outer loop of the tape mass.
Abstract:
A cycloidal diffractive waveplate based star simulator generates a star field with very high precision star locations and accurate brightness. The present disclosure provides a star simulator that allows for a large FOV, modular, multi-star simulator capable of very high precision dynamic star locations for testing of high accuracy, large FOV star trackers. The system is composed of a light source, a polarization grating-based image [1], and an opto-mechanical system for steering the light. The light is projected onto a diffuse screen where the light is scattered, creating a functional point source at the screen. A star tracker or other device under test views the screen which has a multitude of projected spots (each with its own light source and beam steering device) positioned in a star field distribution appropriate for the simulated viewing direction.
Abstract:
An alignment material composition including an alignment material, an ultraviolet absorbent, a light stabilizer and a solvent is provided. The ultraviolet absorbent has a formula 1 shown as below: wherein X represents hydrogen, alkyl group or halogen while R1 represents benzene ring carbon long-chain derivative. The light stabilizer has a formula 2 shown as below: wherein R2 represents ester-based derivative or amine-based derivative, R3 represents hydrogen, hydroxyl group (—OH) or alkyl group.
Abstract:
A film projection system includes a collection of cartridges each containing a film program. The cartridges are stored in a storage magazine. A selector system permits a particular film program, which may be identified by a code, to be chosen and displaces the storage magazine so that the cartridge containing the selected film program is positioned at a transfer point in which it is adjacent a transfer mechanism. A transfer mechanism is adapted to remove the cartridge from the storage magazine and position the cartridge in a film reproduction unit. Upon positioning of the cartridge within the film reproduction unit, the film will be displaced within the cartridge and will be reproduced by the unit. Upon completion of the film program, the transfer mechanism removes the cartridge from the film reproduction unit and returns the cartridge to the storage magazine.
Abstract:
An indexing mechanism for sequentially presenting each of a plurality of cassettes containing photographic film to a projection station in a film projector. The indexing mechanism includes a pair of stop members that are alternately placed in and out of engagement with an abutment on the cassette.
Abstract:
A cinematographic projector comprises a light source, an objective, a film drive mechanism, a movable support for cassettes containing a spool of film, a temporary receiving member for the projected film, and a control mechanism for these devices. The movable support of the cassettes is displaceable horizontally in a direction perpendicular to the optical axis of the objective and comprises vertical compartments juxtaposed in the direction of displacement of the movable support and open at their upper end. Each compartment includes adjacent one end of its open upperedge, a first support member around which the cassette can pivot and a second support member withdrawing when the compartment is placed in extension of the optical axis of the projector. The cassettes in waiting position above the compartments and resting on the first and second support members tilt into their respective compartment around the first support member and are placed in film delivery position when the compartment is brought into the extension of the optical axis of the projector.