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| Number | Title | Issue Date |
| 7359128 | Supplementary lens for viewing a video or computer screen A device (5) for viewing a display screen (2), including a large-area visual medium (1) that can be placed in front of the display screen (2), characterised in that the visual medium (2) has a focal length f of at least 615 mm. The... | 04/15/2008 |
| 7342602 | Polarization means and its position holding mechanism This invention provides a polarization means capable of obtaining an always clear three-dimensional image easily, correctly, and quickly and a position holding mechanism. A polarizing plate has areas for the left eye and the right eye where respective polarized ligh... | 03/11/2008 |
| 7301264 | Front plate and display device using same Frusto-conical needle-shaped light guide paths are implanted on the surface of a display panel such that output light from display elements propagate through the needle-shaped light guide paths through total reflection, while external light repeats reflections multi... | 11/27/2007 |
| 7286306 | Portable multimedia based AV player with magnifying lens A portable device includes a body including an L-shaped first member including a battery compartment, and a second member hingedly coupled to rear of the first member, the second member including a projection adapted to secure to an AV player, and a well for receivi... | 10/23/2007 |
| 7286191 | Dynamic display device A dynamic display device is disclosed, that is adapted to be removably attached to the front of a conventional monitor, such as a television monitor. The device intercepts the light emitted by the monitor to produce an abstract, moving display. An opaque grid struct... | 10/23/2007 |
| 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 |
| 7242446 | Liquid crystal display apparatus A liquid crystal display apparatus includes a liquid crystal display panel, a backlight source behind the liquid crystal display panel, and an optical filter interposed between the liquid crystal display panel and the backlight source for controlling a direction of ... | 07/10/2007 |
| 7157844 | Cathode ray tube provided with a faceplate having a convex outer surface and a lens assembly attached therein In a projection cathode ray tube device in which a projection cathode ray tube and a projection lens assembly are coupled and held by a coupler, superior focus characteristics and high resolution are realized by eliminating the deviation between the center of the ph... | 01/02/2007 |
| 7139041 | Display apparatus A display apparatus is provided that includes: a display part including a panel with an effective face on which a picture is displayed, and a supporting face extending along a circumference of the effective face; a rear cover provided at the rear of the panel and su... | 11/21/2006 |
| 7101046 | Kaleidoscope and image material assembly for kaleidoscope A kaleidoscope includes a kaleidoscope body assembled in the shape of a sleeve so as to locate surfaces of mirrors therein and a support body, having two concave parts, attached to an end portion of the kaleidoscope body and supporting an image material assembly at ... | 09/05/2006 |
| 7070837 | Screen protector A plastic film screen protector that prevents interference patterns from arising when the film touches the screen is described. The advantages are accomplished by the film having a slightly roughened surface so that the majority of the film facing an electronic devi... | 07/04/2006 |
| 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 |
| 6954185 | Display device A display device is provided for making images of a movie, a TV or the like invisible to a driver while the vehicle is traveling, but at the same time visible to a passenger riding in a front passenger seat. A viewing angle control shutter 20 using a liquid c... | 10/11/2005 |
| 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 |
| 6873374 | Shielding apparatus of projection television A shielding apparatus of projection television is disclosed. A metal shield casing made of metal plate members shields an optical block and a circuit block. Metal plate printed board holding sections are connected to the metal shield casing detachably at predetermin... | 03/29/2005 |
| 6724442 | Optically switchable infrared detector A system includes a shutter which selectively allows access to an infrared detector, when accessed directly by a processor-based system, such as a set-top computer system. In this way, infrared commands may be blasted from a set-top computer system to an appliance, ... | 04/20/2004 |
| 6717626 | High contrast projection television shield A protection panel is provided that enhances the color quality and/or contrast of a rear projection television set. The protection panel has a spectral transmittance that peaks at dominant wavelengths of red, green, and blue light, and that is reduced at wavelengths... | 04/06/2004 |
| 6552850 | Device, method, and system of display for controlled viewing The present invention provides a device, method, and system for secure viewing and use of banking and other electronic access devices. The present invention comprises a computer/video display system that includes a computer with a conventional screen that... | 04/22/2003 |
| 6515811 | Optical filter having two absorption maximums An optical filter comprises a transparent support and at least one filter layer. The optical filter has an absorption maximum in the wavelength region of 560 to 620 nm. The optical filter also has another absorption maximum in the wavelength region of 700... | 02/04/2003 |
| 6456287 | Method and apparatus for 3D model creation based on 2D images A method in accordance with the invention comprises the step of providing a) pixel array and a computer model of a geometric surface, and b) providing a second array (a Z array) containing information concerning the 3D characteristics of the structure dep... | 09/24/2002 |
| 6437914 | Projection televisions with holographic screens having center to edge variations An East-West switching transistor is coupled between a flyback transformer primary winding and a horizontal deflection output transistor circuit to control retrace energy to obtain an East-West modulation of the deflection current amplitude as required fo... | 08/20/2002 |
| 6417894 | Adjustable magnifying apparatus and method for viewing video or computer screens The present invention is directed to an optical device and method for adjustably magnifying the visual displays on the screen of a computer monitor or the like, the invention comprising an adjustable arm for supporting at least one magnifying lens in fron... | 07/09/2002 |
| 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 apparatus includes: a CRT bracket supporting the CRT; a lens br... | 07/02/2002 |
| 6366013 | Material comprising an anti-reflective coating on a flexible glass substrate A material is disclosed which is suitable for reducing the reflection of information displays such as a CRT, LCD, plasma tube, etc., and is characterised by an improved pencil hardness and excellent optical properties (lower average reflection, higher ban... | 04/02/2002 |
| 6339486 | Holographic technique for illumination of image displays using ambient illumination An apparatus and method is disclosed for illuminating an image display with ambient light using holographic techniques. The apparatus includes a pair of holographic optical elements each having a first surface aligned on a common axis so that the first su... | 01/15/2002 |
| 6313946 | Technique for depth of field viewing of images using an aspherical lens A screen is disclosed for viewing depth of field images. The screen includes a prismatic screen mounted between a flat image and a viewer. Additional optical elements may be provided to enlarge a viewed image. A light hood may be provided to reduce glare ... | 11/06/2001 |
| 6301027 | Holographic desktop monitor A projection monitor and a method of displaying an output image on a viewing screen of the monitor utilize a number of reconfigurable holographic optical elements (HOEs), allowing the components of the monitor to be physically arranged in a compact config... | 10/09/2001 |
| 6268960 | System for enlargedly observing an image, and filter assembly for use in the system A system which enables to observe an image without any trouble by suppressing an occurrence of the Moire interference fringes, when implementing an enlarging observation of an image using a thin lens with respect to an image display screen having a plural... | 07/31/2001 |
| 6169588 | Panel for a color cathode ray tube In a panel for a color cathode ray tube, an at least 10% portion in a width direction of a seal edge surface of the panel is a roughened surface which satisfies: 5 μmࣘRzࣘ30 μm, 150 μmࣘSmࣘ500 μm, and 0.015ࣘRz /S | 01/02/2001 |
| 6151083 | Monitor filter A monitor filter includes a rectangular frame including a first cover and a second cover engaged with the first cover, the first and second covers being of identical structure, each of the first and second covers having two upper corners formed with a sem... | 11/21/2000 |
| 6067191 | Technique for depth of field viewing of images using an aspherical lens A screen is disclosed for viewing depth of field images. The screen includes a prismatic screen mounted between a flat image and a viewer. Additional optical elements may be provided to enlarge a viewed image. A light hood may be provided to reduce glare ... | 05/23/2000 |
| 6040928 | Holographic desktop monitor A projection monitor and a method of displaying an output image on a viewing screen of the monitor utilize a number of reconfigurable holographic optical elements (HOEs), allowing the components of the monitor to be physically arranged in a compact config... | 03/21/2000 |
| 5910826 | Rear projection screen and method of producing same The present invention relates to a rear projection screen used in projection type television sets and the like. A rear projection screen according to the present invention is characterized in that a mask for prevention of penetration of light is formed on... | 06/08/1999 |
| 5805211 | Electrostatic probe device for signal detection of cathode ray tube displays An electrostatic probe device detects signals displayed on a cathode ray tube in a non-invasive manner. Specifically, the probe device includes a probe that is spaced from a fluorescent screen of a cathode ray tube by a dielectric material and a detection... | 09/08/1998 |
| 5699131 | Light transmission type screen assembly The present invention provides a screen assembly wherein measures are taken to prevent slack produced in a lenticular lens sheet due to temperature changes and gaps created between a Fresnel lens sheet and the lenticular lens sheet due to temperature chan... | 12/16/1997 |
| 5570141 | Molded frame for fixing optical elements in a liquid crystal shutter A molded frame for fixing optical elements in a liquid crystal shutter including a registration portion configured similar to a 35 mm slide frame for precisely registering the elements relative to one another and a mounting portion configured to mate with... | 10/29/1996 |
| 5534951 | Optical assembly for television front screen An optical assembly device (10) for use in front of a television screen having a diagonal dimension of S, which optical assembly comprises four panels (12 to 15) connected together to form a hollow body (11) having a substantially rectangular open front s... | 07/09/1996 |
| 5526065 | Apparatus for displaying television images applicable to automotive vehicle An apparatus for displaying a television image on a television monitor applicable to a vehicle passenger compartment. In the television image displaying apparatus, the television monitor is installed on a center console of a vehicle passenger compartment.... | 06/11/1996 |
| 5519458 | Universal anti-glare screen apparatus A universal filter apparatus is described which provides, in a single unit, an anti-glare and/or anti-static screen and frame which is adaptable to monitors of varying sizes. The universal filter apparatus includes a filter screen mounted to a housing. Th... | 05/21/1996 |
| 5363148 | CRT display set and optical device having means for accurately positioning the CRT The disclosure relates to display sets wherein the image produced by a cathode-ray tube is displayed on a display screen by means of an optical device. It relates more particularly to means for facilitating the relative positioning between the cathode-ray... | 11/08/1994 |
