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7470030 |
Cabinet-surface-mounted projection lens and methods
A projection system includes a cabinet having a surface with an aperture therein, a projector disposed within the cabinet, adapted to project light through the aperture in the surface of the...
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7419266 |
Projector
A projector includes a laser beam source that outputs a laser beam and modulates the laser beam in a beam form based on an image signal, a scanning unit that scans the laser beam output by the...
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7399093 |
Reflection mirror of projection television and fabrication method thereof
Disclosed is a reflection mirror of a projection television to prevent the frame of the projection television from being deformed and to fabricate the projection television with ease. The...
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7388666 |
Probe assembly with a light hood and a detecting instrument equipped with the same
A probe assembly used in testing instrument for determining optical signal within a test cell, comprising a top plate ( 5;205 ) with a through-hole ( 52;250 ) therein; a cylindrical light hood (...
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7370972 |
Two-dimensional image display device
In a two-dimensional image display device, speckle noise is reduced by a simple construction. A two-dimensional image display device for displaying an image by projecting coherent light onto a...
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7300158 |
Projection display apparatus
The invention concerns a display apparatus with an imager illuminated by an illumination system and with an imaging system projecting an image on a viewing screen, wherein the brightness of the...
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6995906 |
Projection unit
A rear projection unit has a screen mounted in a frame which supports a projector at a desired position in relation to the screen. The projector can thereby be positioned in various ways and the...
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6967839 |
Cooling device for light valve
A cooling device includes a printed circuit board having a hole, a light valve disposed on the front surface of the printed circuit board, and a thermal diffuser disposed on the back surface of the...
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6921174 |
Projection television cabinet having a one-piece reference structure
A cabinet for a projection television system, the cabinet including a one-piece molded structure for mounting the components, and reference surfaces unitary with the structure, for mechanically...
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6631997 |
Light-source device and projection type display device
A light-source device comprising: a rod integrator having an injection end and an emitting end; a lens unit for collecting a luminous flux emitted from the emitting end; and, a diaphragm. The rod...
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6494582 |
Projection monitor having darkroom
The present invention relates to a projection monitor, and in particular to a projection monitor having a darkroom casing capable of preventing a penetration of a foreign material and any leakage...
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6400506 |
Visually seamless image system
A baffle and screen arrangement for use in a rear projection display system with multiple imagers with the baffle being positionable with respect to the display screen of the console unit so that...
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6356439 |
Glare reducing hood for a laptop computer monitor
A glare reducing hood for a laptop computer monitor made of a fabric closure structure attached to and supported by an endless frame member. The closure structure has a mounting end that defines a...
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6219183 |
Compact rear projection display with telescopic screen and variable image size
A rear projection display is disclosed having a projection device, a screen, and a screen moving device. The projection devise projects an image, the screen is provided for displaying the image,...
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6164780 |
Image display apparatus
An image display apparatus includes a storage display element having a screen portion which receives image light from its back side and stores and displays an image, and a light blocking mechanism....
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6046754 |
Display shutter device for view protection on a portable computer
A portable computer system having a shutter for protecting a display screen. The shutter device is disposed integrally within the bezel of a portable computer. The shutter device can be disposed...
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5993006 |
Apparatus for synthesizing and displaying images
An apparatus synthesizes the image of a viewer and a second image into a synthesized image and displays the synthesized image. The apparatus is capable of aligning the line of sight of the viewer...
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5690772 |
Method for mass-producing eccentric Fresnel lens sheets
A method for mass-producing eccentric Fresnel lens sheets comprising the steps of: preparing a number of concentric Fresnel lens sheets; dividing the concentric Fresnel lens sheets into a first set...
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5637359 |
Plastic substrate liquid crystal display device, method of making, and product produced by the method
There is provided a plastic liquid crystal display device in which an aligning film processing can be carried out at 150 to 180° C. and which can have optical characteristics comparable to those...
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5485226 |
Hood assembly for a video display unit
A hood assembly for a display such as a VDU display comprises a partially reflecting mirror made from sheet material having a relatively low light transmittance, in the range 25% to 45%, and most...
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5274480 |
Projection type display apparatus having an aperture stop means including non-circular openings
A projection type display apparatus comprises a light source optical system having an anisotropic luminance distribution, a transparent-scattering type display element for controlling light emitted...
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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...
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4979813 |
Opaque projector
An opaque projector includes a light source, a stage through which the light radiating from the light source passes and on which an object is placed, a projection mirror for reflecting light...
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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...
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4612583 |
Image enhancing television attachment
An attachment for a television receiver composed of four trapezoidal panels adapted to be attached to the viewing screen of the television set and having reflective or mirrored inner surfaces...
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4357771 |
Optical filter device
An optical filter transforms defined color light images from television sets, projectors, and the like, into an endless variety of color abstracts. A plurality of light-collector channels conduct...
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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...
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4209237 |
Drawing device
A device for projecting images from a film strip onto a suitable sheet of drawing paper includes a housing having a source of illumination mounted on the interior. A drawing surface is provided on...
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4157214 |
Apparatus for showing microdocuments
A compact microimage viewing apparatus is disclosed which utilizes a low intensity light source with wide-angle projection optics to provide a clear and highly illuminated image to the viewer. To...
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4120575 |
Test tube projection system and method
A system for the projection of the magnified image of the liquid contents on the wall of a test tube includes a light-tight cabinet, a light source, a test tube holding means which preferably...
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4097902 |
Television light shield
This device is designed to be affixed to the television screen for functional value is based upon a general enhancement of the picture, yielding a more sensual viewing experience. The capacity of...
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4082440 |
Compact microform reader
A portable microform reader is provided with a microform carrier and a projection system for projecting an enlarged real image of the information carried on a portion of the microform onto a...
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3930723 |
Method and apparatus for viewing pictures
A concave mirror is positioned at an angle to a flat surface containing a picture so that a viewer can view the picture as reflected to his eye by the concave mirror. Masking is provided about the...
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3907420 |
Microfiche and reader
A microfiche having one surface embossed or molded to define a multiplicity of small lenses (lensettes) intecral with the microfiche. Each micro-image is stored directly below a corresponding...
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3849598 |
TELEVISION SCREEN LIGHT SHIELD
An extremely simple and inexpensive light shield or shroud for television screens, adjustable in nature, for encirlcing the screen of a television set (or the front end of the set itself), thus...
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3825333 |
SHROUD STRUCTURE FOR A MICROFILM READER
A shroud structure for a microfilm reader comprises two movable members, each of which is pivotally mounted on the reader housing adjacent a respective opposite edge of the viewing opening. Each...
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3804504 |
MINI-THEATER
A mini-theater for use in projecting images comprising a readily portable housing adapted to support a projector and having a rearwardly disposed mirror and an upwardly and forwardly disposed rear...
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3781102 |
MODULAR STRUCTURE FOR VIEWING APPARATUS
A viewing apparatus comprises at least two or, in some instances, three distinct modules. A base module includes a light source, a condenser lens system, a projection lens system, and a carrier for...
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3744893 |
VIEWING DEVICE WITH FILTER MEANS FOR OPTIMIZING IMAGE QUALITY
A device for viewing an image projected onto a front surface screen comprises a housing provided with a viewing opening and within which said screen is mounted. Filter means is arranged within the...
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3733436 |
VIEWING SHIELD FOR DISPLAY DEVICE
A four-sided light shield assembly for a television receiver or other image-exhibiting apparatus, in which the side panels have a hinged construction allowing the assembly to be folded to flat,...
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3720462 |
MICROFICHE FILM READER
A reader for microfiche transparencies having a plurality of images arranged thereon in an X-Y format comprises a housing in which a light-tight casing is arranged which carries a projection lens...
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3704054 |
FOLDING MIRROR AND SCREEN ASSEMBLY
A folding mirror and screen assembly for use with projectors, viewers, or the like is disclosed which includes a mirror unit and screen pivotally mounted on a base means and a support arm pivotally...
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3657474 |
PSYCHEDELIC DEVICE ATTACHABLE TO FRONT OF TELEVISION TUBE
The disclosure describes a psychesthetic device for attachment to a television screen or tube face for the production of moving variously colored light patterns for direct or indirect visual...
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3603679 |
PROGRESSIVELY ILLUMINATED SIGNS
Illuminated signs are disclosed. Each of these signs has a viewing screen located with respect to a projector so that any of a series of different film or transparency frames may be projected on...
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3475091 |
MICROFILM READER DEVICE
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3418043 |
Apparatus for displaying characters selectable by digital data
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3282151 |
Projection apparatus
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3271096 |
Projector construction
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3267801 |
Micro-image viewer
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3224326 |
Projector viewer
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