Matches 51 - 100 out of 155 < 1 2 3 4 >
Match Document Document Title
6502942 Rear projection display apparatus and translucent screen for use therein  
For providing a rear-projection type display apparatus, and a translucent type sheet for use therein, in particular, using an image modulation element, such as, a liquid crystal or a DMD (Digital...
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...
6450646 Display unit  
In a display unit wherein an optical block is disposed inside of a housing having a screen at its front, and an image light from the optical block is projected on the screen, a display unit in...
6445407 3-dimensional visual system  
A personal visual system, 3 dimensional enhancer. Designed as a work or entertainment center. Utilizing a monitor or television and concave spherical mirror that reflects a image generated from the...
6439723 Ornamental image display and sound device  
The present invention is an apparatus and method for presenting highly personal thoughts, sentiments, and engrams of a person in the form of a gift to a loved one. Feelings of an occasion or season...
6412955 Apparatus for compensating engine location for projection monitor  
The present invention relates to an apparatus for compensating an engine location for a projection monitor in horizontal and vertical directions, as well as the angle of the engine, so that it is...
6412956 Image projection system  
An image projection system includes projection means for projecting an image on a transmission type screen from a rear surface side of the screen, standard image information generating means for...
6412952 CRT coupling apparatus of projection television  
A CRT coupling apparatus of a projection television couples a CRT which forms a picture to a lens which magnifies the picture formed by the CRT and projects it onto a screen. The CRT coupling...
6367934 Multi-display systems  
This patent document discloses an interactive, disassemblable, portable multi-display system for displaying images. The multi-display system includes a multi-sided structure that is associated with...
6345896 Projector capable of easily replacing and efficiently cooling light source  
The invention provides a projector capable of easily replacing and efficiently cooling a light source, and capable of facilitating a reduction in the size of the projector. An exhaust fan adjacent...
6323999 Image display apparatus  
An image display apparatus is provided with a screen having retro-reflectivity, a liquid crystal display device displaying an image, a projection optical system projecting the light of the liquid...
6318862 Projection system employing multiple beam reflections  
A projection system includes a projector for emitting a light beam; a screen and a first medium for converting a linear polarized form of the light beam from the projector to a quasi-circular...
6309074 Backprojection transparency viewer  
A method of transparency viewing, including: placing a transparency at a viewing surface, forming a light pattern and projecting the light pattern to back-illuminate the transparency. Preferably,...
6276802 Rear projection display  
Methods and apparatus for using more effectively the front side area of a rear projection display as a screen positioning area disclosed. Almost all of the p-polarized light beams emitted from an...
6273570 Compact light path and package for liquid crystal projection displays  
An LCD projection display (120) houses a projection module (10) in which light propagates through an LCD module (38) at a shallow angle (62) that improves the contrast ration of and intentionally...
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...
6104424 Foldable eye contact components for a dual mode display  
The present invention permits a dual mode use of a display screen of which in one mode the display screen is accessible and in the second mode has placed in front of the display screen...
6056406 Projection system having multiple screens  
A projection system having multiple screens for image display includes at least two screens arranged to form a polygon and a multi-projector comprised of at least two sub-projector units for...
6039912 Fabrication method for housing structure for projection type television receivers  
A housing structure for projection type television receivers comprises a casing provided with an opening on each of the front side and the back side, a framework holding a screen and a back cover....
6028701 Stairstep interlock mounting package for multiscreen projection displays  
A mechanical package for an LCD projector includes approximately equally sized tower and enclosure portions. The tower portion is supported on forward protruding legs and contains optical and...
5897192 Rear projection module  
The invention relates to a back projection module (1) for displaying an image on a large-area projection screen (2). An improved construction of the projection screen (2) and the supports holding...
5860720 Projection apparatus  
A light source for use in a liquid-crystal rear projector serving as a projection apparatus can be changed from a front to thereby improve a performance of the apparatus. The liquid-crystal rear...
5848829 Rear projection display device  
The present invention is directed to a rear projection display device so adapted as to receive a projected image from a light valve for image formation on the rear surface of a screen and emit...
5829855 Projection-type display apparatus  
A projection-type display apparatus has a casing enclosing a light source and a projection optical system for projecting an image onto a picture screen when a power source is turned on and includes...
5826961 Rear projector employing an image display  
A rear projector employing an image display uses a polymer dispersion liquid crystal (PDLC) panel which suppresses a turbulent reflection due to a high light refractive index. Accordingly, a slim...
5806950 Compact high resolution light valve projector  
The present invention relates to a light valve projector in which a small high resolution active matrix transmission display is used with a light source, coupling optics and a projection lens to...
5803567 Protection-type display device  
A projection-type display device includes an image projector and a screen, in which image projector is for projecting image light rays and the screen is disposed on a side to which the image light...
5796446 Television receiver or video monitor of the back-projection type  
A television receiver or video monitor of the back-projection type, in which a projector forms an image which can be observed on a visual display screen by rear illumination after reflection on a...
5741057 Device for displaying a projected image  
A device for displaying a projected image comprising a housing having a rear projection screen, a projector and a plurality of reflectors. The projector and the reflectors define a projection path...
5694246 Method of manufacturing lens array  
A method of manufacturing a lens array according to the invention is presented wherein a first array of first lens-base elements is formed on a substrate with spacing therebetween. The first...
5692820 Projection monitor  
A rear projection monitor having a housing with reduced depth is disclosed. Images produced by liquid crystal active matrices are illuminated by a light source. The images are enlarged and...
5694245 Projector with improved screen  
A projector comprising liquid crystal display panels and a projection lens for projecting the modulated light to a screen. The screen includes a transparent plastic member formed as a lenticular...
5676441 Projector  
A projector includes a plurality of cabinets arranged in rows and columns and each of the cabinets has a screen located at its front end with a plurality of the screens being adapted to...
5622419 Portable collapsible display and projection apparatus  
A portable collapsible liquid crystal display apparatus which includes a base, and a relatively large viewing screen having a width corresponding substantially to the overall width of said base and...
5617152 Projector system for video and computer generated information  
A projector for use with a light source and including a shutter assembly panel having a multiplicity of pixel light valves overlying an array of interspersed shutter pixels each of which transmits...
5613748 Rear projection type image display apparatus and transmission type screen used therein  
A transmission screen for a rear projection type image display apparatus having at least one image generation source for displaying images, at least one projection lens for enlarging and projecting...
5594561 Flat panel display with elliptical diffuser and fiber optic plate  
A flat panel liquid crystal display module (34) has its front face adjacent a rear projection screen (40) and is illuminated by a pre-polarized collimated light source (10,14,16,18,22,26)....
5582473 Projection display apparatus  
A projection display apparatus comprises a compact CRT, a projecting lens for projecting an enlarged image of the CRT, a Fresnel lens having a converging effect, a lenticular sheet as a diffusing...
5580145 Rear projection type television receiver  
A rear projection type television receiver of the invention comprises a cabinet having a built-in television receiver, and a screen assembly. The cabinet has a rectangular groove formed around the...
5548350 Projection type televison screen mounting structure including an elastic material for holding a screen  
A projection type television receiver in which the screen is maintained on the framework despite temperature changes or external force application, and also a large screen video display apparatus...
5543870 Rear projection screen with high off-axis sunlight rejection  
A projection system having a rear projection screen (28) employs a collimating lens (26) in the form of a Fresnel lens adjacent the rear surface of the screen (28) to improve the image luminance at...
5521659 Rear projection display apparatus  
A rear projection display apparatus for displaying an image reduces parallax error. The display apparatus includes a housing, a transparent screen support having top and bottom surfaces, a...
5515120 Continuous slide projector  
A continuous slide projector constructed of a box housing having a semi-transparent mirror pivotally attached to an open front frame. A light source is mounted within the housing for illuminating a...
5514833 Shielded chamber having a non-disruptive cathode ray display arrangement  
Normally a cathode ray monitor cannot be employed in a chamber which is shielded against high-frequency interference because of the disturbances in the otherwise shielded chamber produced by the...
5512968 Multiple projection television system  
A multiple projection television system is comprised of a plurality of projection units stacked in matrix to form a large television screen. Each of the projection units has a cabinet, a projector...
5510862 Collapsible large screen audiovisual display system  
A collapsible, large screen audiovisual display system is provided. The preferred embodiment of the invention includes a square-shaped, forwardly mounted projection screen bordered by a protective...
5506642 Projector with plastic mirror  
A projector comprising liquid crystal display panels and a projection lens for projecting the modulated light to a screen. A back surface reflection mirror including a transparent plastic sheet and...
5504545 Illuminating apparatus  
A compact illuminating apparatus for viewing films by transmitted light and having uniform light distribution across a diffusing plate, comprising a shallow elongated box-like main body having a...
5473396 Display apparatus and method of making the same  
A novel type projection TV has a large size fluorescent screen bearing three kinds of dots or stripes of fluorescent material which emits visible lights of red, green and blue at excitation by...
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...
Matches 51 - 100 out of 155 < 1 2 3 4 >