Matches 101 - 150 out of 188 < 1 2 3 4 >
Match Document Document Title
6095652 Projection system  
A projection system incorporating a screen (2, 14) with a substantially achromatic response in a direction substantially perpendicular to the plane of the screen. The screen (2, 14) comprises a...
6062696 Play tunnel with surroundview display portals  
A bubble-shaped display screen is adapted to fit over a "fish-eye" portal to a modular playground compartment, and may either replace or augment the transparent portal window. A projection device...
5697687 Projection television screen mounting  
A projection television display screen has a plurality of mountings affixed to a cabinet. The plurality of mountings provide rigid screen suspension in a vertical plane while permitting...
5615937 Device for the projection/reflection of images  
A picture projection/reflection device, particularly for use in a grave marker to optimize the observation of a remembrance picture or informative display. The device consists of a housing (2) for...
5589979 Simulator arrangement  
A screen simulator arrangement includes spaced apart screen and one or more mirror means; said screen means is formed with a plurality of spaced apart transparent portions therein; said mirror...
5573325 Multi-sensory theatrical presentation structure  
A multi-sensory presentation structure for presenting a show composed of live action combined and superimposed with projected images includes a projector and a beam splitter formed of either a...
5500747 Ultra-wide angle liquid crystal projector system  
An ultra-wide angle liquid crystal projector system comprising a light source, a liquid crystal panel, a curved screen, and a projection lens for projecting in accordance with light emitted by the...
5491584 Pivotal, large area cinematographic screen for open-air performances  
The projection wall comprises a screen section carrying the screen and resting on two supports. The screen section can be pivoted by means of hydraulic drives about a first horizontal axis in both...
5223868 Dashboard mounted microfiche reader  
A dash mounted microfiche reader and support is provided for attaching a portable microfiche reader to the dashboard of a vehicle. The reader includes an adjustable miniature lens assembly and a...
5179399 Theatre in the round projection apparatus and method  
A projection system for a theatre in the round having a plurality of moving image projectors. The projectors can be either film projectors or television-type projectors. They project in an...
5160951 Rear view projection system  
A rear view projection apparatus for viewing from a rear screen side the images projected onto the screen front side. This apparatus comprises a projector, a screen made of a transparent plastic...
5137348 Collimated projection system with wide horizontal field, with device to increase the vertical field  
In a simulator for helicopters, the images seen are displayed through the bottom windows by means of a system collimated to infinity, including, for each side of the cockpit, a projector (15, 16),...
5080481 Screen simulator window  
A screen simulator window having a window aperture through which a scene may be viewed with a partial screen arranged immediately behind the window. The screen consists of alternately opaque screen...
5007707 Integrated sound and video screen  
An array of sound transducers where sound producing groups made up of one or more of the sound transducers may be separately driven so as to spatially reproduce a live performance. Flat sound...
5004336 Transmissive original projecting apparatus  
A transmissive original projecting apparatus has an illuminator for illuminating a transmissive original, a projector for directing light transmitted through the transmissive original to the...
4906091 Glass stage and an overhead type projector system  
A glass stage for use as an upper stage in an overhead type projector system. The glass stage includes a rectangular frame body having substantially the same dimension as that of a lower stage of a...
4859053 Projecting apparatus with spherical screen, more particularly for advertising purposes  
A screen-forming sphere is made of a front translucent half-sphere and of a rear half-sphere which is opaque except in a central region. An image projector is situated behind the screen and has a...
4810087 Portable microfilm reader  
A microfilm reader which has an optical system for magnifying and projecting an image recorded on a film contained a cassette onto a viewing screen mounted on a pivot shaft of a casing having a...
RE32648 Opaque projector  
A portable opaque projector is characterized by a transportable mode and an operable mode. When in its transportable mode, the projector has the configuration of a compact hexahedron; when in its...
4730919 Slide viewer  
A folding slide viewer has a rear projection screen which swings into a ft position for storage. In a second, operating position, the projection screen it is provided with a lightproof bellows. The...
4721380 Portable opaque projector  
An improved portable opaque projector with superior performance and portability is characterized by a transportable mode and an operable mode. When in its operable mode the top is removed and a...
4647166 Screen extension linkage for a video real-screen projection apparatus  
A video rear-screen projection apparatus includes a housing accommodating a fixedly arranged cathode-ray tube unit which is provided with a projection lens and which is secured to a frame. The...
4640597 Micro-reader  
A micro-reader which comprises a generally rectangular box-like, flattened casing a slide frame slidably supported by the casing for movement between retracted and extended positions, a...
4639106 Aircraft video projection system  
Disclosed herein is a video projection system (18) suitable for mounting in the ceiling of the passenger compartment of an aircraft for displaying video images for passengers embarked on the...
4629299 Microform-reader  
A microform-reader which comprises a generally rectangular box-like, flattened casing a slide frame slidably supported by the casing for movement between retracted and extended positions, a...
4618232 Desk top microform reader  
A desk top microfilm reader for use on horizontal flat surfaces having a housing structure which encloses projection means and microfilm receiving means. A supporting arm extends from the housing...
4599645 System for image generation  
A system for image generation is provided which includes a device for controlling the sweep voltages of a CRT so that realistic views of the earth can be projected on a curved screen surface from a...
4572632 Composite apparatus for the direct projection and overhead or backprojection of slides  
A composite apparatus for the direct projection and overhead or back-projection of slides comprises a box containing a source of light with a projection lens, an overhead or back-projection screen...
4549798 Apparatus having a picture screen for the display of picture sequences  
A collapsible display is provided for the projection of visual images. The device according to this invention is a display apparatus which is collapsible from an operating condition to a compact...
4537483 Optical projection viewing system  
An improved optical projection viewing system is provided with a novel wide projection angle relay projection lens and a novel magnifying biocular viewing lens. The magnifying biocular viewing lens...
4432619 Compact collapsible microform viewer  
A microform viewer has a case section pivotally mounting a screen, to move from a collapsed position to a viewing position, and slidably receiving a two-part projection section that telescopes into...
4415958 Device for illuminating transparencies  
A lighting device for uniformly illuminating transparencies. The device comprises an open-ended, rectangular parallelepiped-shaped housing having specularly reflective interior surfaces and a...
4379628 Folding transparency (microfiche) viewer  
The film image is illuminated by the bulb or by ambient light admitted through an aperture on the top of the viewer. The image is projected on a folded light path onto a screen pivotally mounted on...
4351592 Collapsible microfiche reader assembly especially suitable for use in a desk drawer  
A microfiche reader assembly especially suitable for use in a desk drawer of typical size is disclosed herein. This assembly includes a housing, a projection screen, a microfiche support...
4343539 Vibration stabilized image projection system  
A vibration stabilized image projection system includes a viewing screen supported on a vibratory platform, an image projector supported off the platform in a relatively vibration-free environment...
4341446 Microfiche reading carrel  
The microfiche projector enlarges the image onto the flat white undersurface of the top panel of the enclosure which has a flat black interior. The viewer sees the image reflected in the adjustable...
4319805 Rotary screen for receiving optical images particularly advertising images  
A rotary screen mounted in the median area of a preferably spherical enclosure, the rear face of which being made opaque except in its central portion, while its front face is perfectly...
4312578 Microfilm reader  
A desk top microfilm reader and work station having a rectangular base enclosing a film housing and projection system. The base has a flat top surface which functions as an operator work surface...
4213679 Projector  
A motion picture projector in which projector mechanisms are incorporated in the body of a carrying case, the opening of which is covered by a panel structure on which a reel setting portion and an...
4170408 Microfilm viewer  
A collapsible viewing device for viewing microfilm consists of a carrying case with a bottom part to which is hinged a lid. The case includes a viewing screen, a supply of light, a lever assembly...
4131348 Collapsible microfilm reader  
A collapsible microfilm reader having a lower body part with a micro-fiche projector and a cover hinged thereto and having a rectangular projection surface or screen on its inner surface which is...
4130352 Portable microfiche reader with foldup lens and mirror assembly  
A portable microfiche reader that has a lens and mirror assembly in a housing, pivotally mounted to swing between two positions. When the assembly is swung into one stable position, the mirror and...
4120574 Portable microfilm reader  
Portable microfilm reader having a body with a microfilm holder, a projection lamp, a foldable reflecting mirror, a hinged cover, and a projection surface or screen on the inside of the cover. The...
4101373 Method and apparatus for producing a design on a flat surface adapted to be formed into an arcuate surface  
Method and apparatus for producing a design on a flat surface by etching and/or selective plating. The design is transferred to the flat surface by progressively projecting successive narrow...
4097136 Projector for visual images  
A projector for visual images which may be used for projection upon its own base or a wall. The projector has a base, an upstanding column, an adjustable arm and a projection housing. The projector...
4092064 Projectors  
The portable projector has a drawer which is pulled forward for use and to gain access to the opal glass rear projection screen which is inserted into the slot in the front of the drawer. The...
4090754 Theater cabinet table  
A relatively low, narrow, and long table, such as a coffee table, is provided, having a storage cabinet under each end of the table top for the storage of equipment, in this instance photographic...
3997258 Film reader  
A film reader include a lower casing accommodating a light source and an optical illuminator, and an upper casing enclosing a reflection type screen, the upper casing being collapsible and having...
3950085 Optical transformation drawing apparatus  
In an optical transformation drawing apparatus in which an image is projected by a projector on to a rear face of a projection screen so that a draftsman can trace on the front face of the screen...
3940209 Projector case assembly  
A projector case assembly designed for use with a projector system which utilizes a system of mirrors to provide enlarged panoramic viewing. The projector case assembly is designed to accommodate...
Matches 101 - 150 out of 188 < 1 2 3 4 >