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Match Document Document Title
7503661 Projection optical system  
In a projection optical system for obliquely performing enlargement projection of an image formed on a display device surface onto a screen surface, a plurality of reflective surfaces are provided,...
7499111 Projection type display device and back projection type display device using the same  
The system provides a projection-type video display device with high image quality and high reliability. The system improves color purity by cutting the yellow component from red and green,...
7483086 Illumination optical system, projection video system using the same, and integral-type video display  
An illumination optical system includes a light source for emitting a plurality of different colors of light, a plurality of rotating optical scanners, and a plurality of scanning lenses. Each of...
7452085 Dynamically adjustable fold-mirror assembly for projection device  
An apparatus, system, and method for a fold-mirror assembly with a dynamically adjustable mirror element for use in a projection device are disclosed herein.
7434944 Image projection apparatus  
In an image projection apparatus, the deflection axis of the pixels of a display device is parallel to the longer sides of the display area of the display device, and the entrance pupil of a...
7304690 Optical engine of a projection television  
The present invention relates to an optical engine of a projection television in which a path of illumination emitted from a light source is aligned to correspond with the image producer by turning...
7196687 Swept illumination to reduce LCD lag in front and rear projection displays  
Methods for illuminating the display area of a liquid crystal panel ( 13 ) are provided. Illumination light ( 17 ) is compressed into a stripe which is scanned across the display area in...
7061538 Image-information converting apparatus and method, image displaying apparatus and method, coefficient calculating apparatus and method, coefficient-data storing apparatus, apparatus and method for detecting part where picture quality is degraded, recording medium, and program  
The absolute value of the difference between each of the pairs of pixel values of a target pixel and an upper pixel with respect to the target pixel, a pixel that is left-adjacent to the target...
7006163 Illuminating device and projector using it and built-in display unit  
An illuminating device comprising a light source for emitting a plurality of light beams ( 207, 208, 209 ) of different colors, a plurality of rotating beam scanners ( 102, 103, 104 ) and a...
6994438 Optical component casing, optical device and projector  
An optical component casing ( 40 ) that houses a plurality of optical components including a reflection mirror ( 424 ) and disposes the plurality of optical components on a planarly defined...
6943933 MEM devices having charge induced via focused beam to enter different states  
An apparatus of one embodiment of the invention is disclosed that includes a number of micro-electromechanical (MEM) devices, a charge source, and at least one discharge path. Each MEM device has a...
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...
6870580 Illumination optical system having a mirror with a curved surface having rotational symmetry about a predetermined axis  
A projection type image display apparatus comprises a light source unit; an integrator unit for mixing luminous fluxes emitted from the light source unit so as to homogenize their light quantity...
6859239 Projection system with folded optical path  
A high throughput, compact image display apparatus comprises a source unit to generate a spatially uniform light beam that propagates along a first beam path in a first direction. The image display...
RE38488 Optical system including a reflecting polarizer for a rear projection picture display apparatus  
An optical system for a rear projection picture display has reduced size while maintaining screen size. Two plane mirrors are provided along a light path between a picture display unit and a...
6678015 Color separating/synthesizing apparatus  
Disclosed is a color separating/synthesizing apparatus which uses three polarized beam splitters and one dichroic filter, as compared to a conventional system using four polarized beam splitters,...
6275272 Projection television receiver  
A projection television receiver for embodying a high definition and high quality projection television receiver by processing an image of an image source. A red, a green and a blue image are...
6233024 Rear projector  
In a rear projector with a housing on whose front side is arranged a screen for displaying a video picture, with a brightness-modulated and color-modulated R-G-B light source for emitting a light...
6175392 Method and apparatus for improving the color convergence of projection-based displays  
System and method for improving color convergence in projection display systems employs one or more mirror units disposed for reflecting light from the projection lens to a display screen, each...
6067127 Method and apparatus for reducing the rotation rate of mirrors in a high resolution digital projection display  
A projection display system using a laser beam reflected from a rotating mirror, where the rotation rate of the mirror is reduced. During a first rotational period the beam is reflected from the...
6038058 Grid-actuated charge controlled mirror and method of addressing the same  
A micromirror light valve target configuration that overcomes the problems of limited deflection range, electrostatic and resolution by forming the secondary electron collector grid of a fine...
6028696 Charge controlled mirror with improved frame time utilization and method of addressing the same  
A beam addressed electrostatically-actuated charge controlled mirror (CCM) with frame time utilization approaching 100% is provided by partially coating the CCM's pixelized beam addressing surface...
5896236 Metallized plastic film mirror for projection television receiver  
A mirror for a rear projection television receiver is formed of stretched and heat-shrunk metallized plastic film A U-shaped aluminum frame is formed out of roll stock and cut and bent into the...
5883614 Reflection type display utilizing charge coupled devices  
A reflection type display device wherein the brightness of pixels is controlled by deflecting a reflecting surface corresponding to a pixel in the reflection type display device for a time...
5760931 Image display unit  
A heads-up display unit provided with a display device serving as display image forming means which displays a display image. A hologram serves as a reflecting means, and reflects the display light...
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...
5418579 Multiplanar image display system with plural display units  
A multiplanar image display system having a plurality of display units disposed to expose, by transmission through and reflection by transparent panels, displayed images to a viewing end of an...
5408282 Projection system for projection TV set  
A rear projection television set is disclosed which includes a screen assembly, a reflector mirror located behind the screen assembly, and a projection source having a lens system for projecting...
5398082 Scanned illumination for light valve video projectors  
A video projection system employs a reflective light valve (10) that is optically addressed by an image from a cathode ray tube (12) and provides an output image for projection by means of a high...
5363149 Projection television set  
A projection television set includes a body composed of at least two divided upper and lower units, a screen assembly having an integrally formed screen corresponding to the body, and a plurality...
5301030 Optical illumination apparatus for a display unit with efficient light source polarization  
An optical irradiating apparatus for use in a display unit and an optical irradiating method thereof is disclosed. The apparatus includes an optical source lamp, a polarizer secured within a...
5181122 Display device for displaying a wide picture  
A display device for displaying a wide picture includes a main screen on which the wide picture is to be produced, one picture projector carrying a picture generation unit having a first screen...
5173781 Overhead television  
A bedside television designed to permit a patient, or the like, to view the television while comfortably lying in bed without bending his neck. The bedside television device includes a television...
5123728 Rear screen video projection system for aircraft passenger entertainment  
A rear screen projection system integrated into the passenger cabin of an airplane. The system has a projector that directs a picture into the inner cavity of a housing. Also attached to the...
5040058 Raster graphic helmet mountable display  
A helmet mountable display includes electronic apparatus for ultimately providing sweep lines of a full color raster graphic image and electromechanical apparatus for disposing the sweep lines to...
4918535 Television projection system  
A TV display, typically derived from a high-intensity miniature cathode ray tube (1) and available on a projection screen (8) thereof is enlarged by an optical lens system and, as enlarged,...
4760443 Display means  
For the purpose of simultaneous presentation of an information on a display array (6) a display means has an image movement device (12,13), with the aid of which the image of the display array can...
4737843 Color image display system for producing and combining four color component images each inverted in at least one aspect relative to the other images  
An image display system comprising a cathode ray type of tube having an electron gun disposed for directing an electron beam onto an output phosphor screen provided with quadrant portions extending...
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...
4578710 Lens system for projection television  
A projection television receiver having a more compact cabinet size due to an improved projection lens system. The projection lens system includes a plano-concave lens and a plano-convex lens...
4556913 Apparatus for preventing virtual images in projection television receivers  
A rear projection television receiver has an image source, first and second mirrors, and a screen. Light travels from the image source to the screen along a first light path via the first and...
4491872 Ultra-compact projection television receiver  
An ultra-compact projection television receiver is disclosed comprising cabinet means for enclosing the components of the receiver. The receiver has vertically arranged elevatable rear projection...
4394681 Optical system for projection television  
A projection optical system is disclosed that is protractible and retractible within a narrow spatial column for emerging from and nesting in a cabinet of an ultra-compact, rear-projection...
4386372 Optical mirror adjustment means for a projection television receiver  
Optical mirror adjustment means are disclosed for use in a projection television system having a rear projection viewing screen. The means according to the invention provide for adjusting the...
4307424 Television projector and stand device and methods of making and using the same  
The present invention relates to a combination projector and television stand which allows the picture from a conventional television set to be magnified and projected upon a suitable surface and...
4299446 Compound anamorphic mirror and frame for off-axis reflected image modification  
A system for constructing an anamorphic mirror which reflects an image from an off-axis source such as a CRT display is disclosed. A rectangular frame is provided which has rectilinear top, bottom...
4237493 Television support and picture projector  
A projection television set is afforded by the use of a stand for the television set which permits the television set to be rotated on a horizontal axis to position the screen downward toward a...
4209807 Projection type television set  
A projection type television set having a main body, a projecting tube accommodated by the main body, a screen attached to said main body and a mirror box pivotally mounted on the main body for...
4202015 Video projection system  
A video projection system for enlarging and projecting the image or picture from a television receiver includes a mounting system including a cradle having a frame for securing to the television...
4074322 Television projector  
Television picture image projecting apparatus removably attached to a standard television receiver and including a housing having an image entrance opening adjacent the receiving screen, a Fresnel...
Matches 1 - 50 out of 56 1 2 >