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| Number | Title | Issue Date |
| 7777948 | Projection screen A projection screen is disclosed, which includes an upper housing, an upper roller, a reflecting curtain, a lower housing, a lower roller, a lower mask and a positioning assembly. The upper roller is pivoted in the upper housing. The reflecting curtain is wound on t... | 08/17/2010 |
| 7710646 | Anti-bulging projection screen structure A home cinema theater projection screen structure and method of making same are provided wherein a sheet of projection screen material of selected size is formed to a configuration having concave top and/or bottom edges, the projection screen material then being att... | 05/04/2010 |
| 7466483 | Masking device for a cinema screen The invention relates to a masking device (1), for a cinema screen, comprising at least two masks arranged in front of said screen (2) and arranged in pairs, symmetrically along at least two sides thereof, left and right, and/or top and bottom, each ma... | 12/16/2008 |
| 7414594 | Multi display device The present invention is directed to a multi display device that can realize a large-sized screen by interconnecting a plurality of display elements. The multi display device comprises at least two flat display elements of which adjacent sides are closely contact ea... | 08/19/2008 |
| 7369310 | Tensioned projection screen A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame and a screen. The frame includes a plurality of frame members and corner members. ... | 05/06/2008 |
| 7362386 | Integrated structural screen panel for projection television A screen assembly for a projection television includes a screen panel, a lenticular screen and a Fresnel screen. The screen panel is attached directly to the television cabinet and sandwiches the Fresnel and lenticular screens therebetween. The screen panel projects... | 04/22/2008 |
| 7352507 | Screen assembly A screen assembly is disclosed, wherein the screen assembly includes a frame including a screen retention section configured to receive and retain the screen, wherein the screen retention section includes a channel configured to receive an edge of the screen, and a ... | 04/01/2008 |
| 7315417 | Screen frame and bezel clip system An apparatus and methods that facilitate efficient and easy installation of a display screen and protective shield onto a cabinet of a display unit such as a projection TV (PTV) and the like. Preferably, a screen frame and bezel clip system includes a bezel clip hav... | 01/01/2008 |
| 7295370 | Projection television and manufacturing method thereof A projection television including: a screen having a plurality of image-forming sheets and an anti-dust film having a first side disposed between the image-forming sheets and a second side disposed at a front of the screen, and being detachable from the screen. ... | 11/13/2007 |
| 7259912 | Fresnel lens having reduced distortions A display device for displaying images in a rear projection display device is provided. The display device may include, amongst other structure, a screen including a lens portion and a frame portion. A tensioner may be operatively associated with the screen and may ... | 08/21/2007 |
| 7203000 | Self-contained manual lifting screen It is an object of the present invention to provide a self-standing manually operated elevating screen which makes it possible to raise and lower the screen over a long period of time without encountering any trouble such as damage, deformation or the like, and whic... | 04/10/2007 |
| 7130118 | Dynamic projection screen An enhanced-contrast projection screen and method of controlling such screens are disclosed. An embodiment of a dynamic projection screen includes a passive layer and at least one active layer. The active layer is superimposed on at least a portion of the passive la... | 10/31/2006 |
| 7113332 | Tensioned projection screen apparatus A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame, a screen, and a screen coupler configured to couple the screen to the frame. ... | 09/26/2006 |
| 7038849 | Color selective screen, enhanced performance of projection display systems Optical properties of a screen on which an image is being projected are considered. A patterned surface is given a predetermined pattern of color pixels whereby a degree of wavelength selectivity is employed to improve the color qualities of the projected image. A s... | 05/02/2006 |
| 7002640 | Apparatus for mounting a screen in a projection television A screen fastening device of a projection television having a front cabinet including a front window of a case, a screen for penetrating or forming an image, a fastening bracket for fastening the screen to the front cabinet, a mating portion for removably fastening ... | 02/21/2006 |
| 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 frame reduced and enlarged according to the requirements of the project... | 02/07/2006 |
| 6994409 | Controlled access dispensing system A controlled access dispensing unit arranged to permit selective access to supply items within a portion of the dispensing unit. Preferably, the dispensing unit includes a cabinet arranged to hold a plurality of supply items. An enclosure assembly desirably includes... | 02/07/2006 |
| 6962418 | Projection apparatus panel assembly A projector 10 projects an image onto a set of screens 14 for image formation. The set of screens 14 includes a first screen 50 and second screens 54 and 56. The projector includes a housing 20, a first screen fixture... | 11/08/2005 |
| 6930831 | Vari-focal polar alignment scope A vari-focal polar alignment scope includes an objective optical system, a relay optical system, and an eyepiece optical system, in that order from the object side. The relay optical system includes an erecting vari-focal viewing optical system, including a positive... | 08/16/2005 |
| 6927908 | Visual display screen arrangement A visual display screen (100′) such as an LCD screen is provided with a display area (30) for displaying an image. The display area (30) extends as far as an optically inactive region (60), containing device drivers, at the edge of the ... | 08/09/2005 |
| 6922284 | Method for automatically controlling the length of projection screen and multi-purpose apparatus thereof A method for automatically controlling the length of a projection screen and an apparatus thereof are proposed. They dispose a code stripe on at least a side of the projection screen and then exploit a detector of an auto-controlled hoister to read the code stripe. ... | 07/26/2005 |
| 6912086 | Projection device and large-screen display apparatus using the same The invention provides a projection device comprising a screen constituted in a layered structure with a light-transmissive screen panel and a light-transmissive reinforcing panel, wherein a front panel in the screen has a plane wider than residual panels on the bac... | 06/28/2005 |
| 6905104 | Patient or visitor sign-in device A sign-in device having a privacy screen provides a clipboard which supports a sign-in sheet for patent or visitor sign-in purposes. An elongated spool of substantially opaque flexible sheet material is held within a housing or support of the paper clamp. An elongat... | 06/14/2005 |
| 6870673 | Method and overhead system for performing a plurality of therapeutic functions within a room A system and method for providing biosynchronized therapy to a patient that creates a therapeutic environment and therapeutic stimulations that are sensitive to psychological and sensory human issues, including those particular to the patient, and that reduce psycho... | 03/22/2005 |
| 6807013 | Projection aligner The projection aligner for transferring an image of a mask pattern of a mask onto an object to be exposed comprises a projection optical system that forms the image of the mask pattern onto the object, an expansion ratio determiner that measures lengths of the objec... | 10/19/2004 |
| 6614594 | Projection panel assembly, projection apparatus, and production method thereof A projection panel assembly is mounted on a casing for holding a screen so as to mount a front panel on the viewing side of the screen. The projection panel assembly includes a fixing portion for directly fixing the front panel and a supporting portion fo... | 09/02/2003 |
| 6574040 | Method and apparatus for supporting one or more seamless rear projector screens There is described an improved system for retaining a video screen in a frame comprising a video screen, a frame for supporting the video screen along at least a portion of the screen's peripheral edges, and a mechanism for biasing the edges of the screen... | 06/03/2003 |
| 6519086 | Image maintenance shield A configurable shield and methods related to same by which the ambient light in conventionally illuminated venues can be largely prevented from falling onto or around a screen such that images displayed on the screen are generally not degraded in quality.... | 02/11/2003 |
| 6483482 | Multi-display device A multi-display device includes at least two flat display panels foldably joined to each other with a border defined therebetween, and a light compensating member for directing light radiated from the panels toward an imaginary plane, extending from a cen... | 11/19/2002 |
| 6462868 | Display device for both hardcopy and digital images A display device is provided which permits viewing of both hardcopy and digital images. An embodiment of an image viewing station comprises a housing having an internal light source and a light transmissive display panel coupled to the housing such that l... | 10/08/2002 |
| 6459531 | Screen mounting device for projection TV A screen mounting device for a projection TV includes a mask for protecting an edge of a screen on which an image is displayed which is arranged to enclose an edge portion of the screen and having a hooking socket formed at a back side thereof, and a hold... | 10/01/2002 |
| 6437917 | Directional reflection screen and display system using the same A display system has a directional reflection screen with a triangularly-shaped mirror sheet as horizontal focusing for observers and stereoscopic image projecting means. The directional reflection screen has a triangularly-shaped mirror sheet with includ... | 08/20/2002 |
| 6304377 | Wall and/or projection board A wall and/or projection board which can be used on both sides and can be engaged in a horizontal wall rail. At least a first engagement element is connected to the wall-board element via a vertical pivot-spindle connection. The vertical pivot-spindle con... | 10/16/2001 |
| 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, and the screen moving device is used to move the screen in r... | 04/17/2001 |
| 6109753 | Projection-type display device A rear-type projection display device is provided, in which even a liquid crystal panel having several point defects is used, the point defects are hardly recognized. According to the present invention, in order not to display the display defects (the bri... | 08/29/2000 |
| 6084707 | Transmission-type screen There is disclosed a large-sized transmission-type screen used for a multi-image system. If the screen expands or contracts due to variations of the ambient temperature or humidity, generation of creases or relieves is prevented. The transmission-type scr... | 07/04/2000 |
| 5828410 | Video-wall viewing-angle enhancement system A system for increasing the useful viewing angle in an array of video display units, also called a video wall, comprising the duplication of an outer marginal strip of the displayed image on adjacent video display units, a cylindrical lens structure mount... | 10/27/1998 |
| 5737123 | Adjustable-aspect video projection screen An adjustable-aspect ratio video projection viewing screen assembly has a screen portion that is basically proportioned as a widescreen, e.g. with 16:9 aspect ratio, but is convertible to a second aspect ratio, e.g. regular 4:3 aspect ratio, by means of a... | 04/07/1998 |
| 5581401 | Portable screen assembly for use with a projector A portable screen assembly for use with a projector has a housing made up of a lower casing and an upper casing pivotally mounted on the lower casing to open or close the lower casing. The housing accommodates a roll rotatably mounted on the lower casing,... | 12/03/1996 |
| 5523880 | Projection screen masking system A masking apparatus for masking portions of the viewing surface of a projection screen. The masking apparatus includes an upper roller, upon which is wound an upper masking screen, and a lower roller, upon which is wound a lower masking screen operatively... | 06/04/1996 |
