Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8169701 | Diffusing screen Various embodiments related to a rear projection display screen configured to reduce an intensity of light at a viewing angle at which the light is less likely to be viewed by a user are disclosed. One disclosed embodiment provides a diffusing screen comprising a sh... | 05/01/2012 |
| 8139290 | Two-way mirror screen system for advertisement A two way mirror system usable for an advertisement device includes a half-mirror having a light transmission function and a reflection function. A logo plate in a shape of an engraving or pattern in relief or intaglio is provided on a front face thereof and a two w... | 03/20/2012 |
| 8072682 | Transmissive screen and diffusion plate A transmissive screen includes, sequentially from a projection side, a Fresnel lens having a condensing function, a diffusion plate for diffusing incident light, and a front-surface protective panel disposed facing the diffusion plate across an air flow layer of a p... | 12/06/2011 |
| 8054547 | Rear projection dome A seamless, shadowless, rear projection full dome imaging system comprising a 360° screen having a plurality of translucent screen sections, a rigid superstructure to which the screen sections are attached; clamping rings to hold the screen sections together; clamp... | 11/08/2011 |
| 8009354 | Fresnel lens and projection display device using one such lens A Fresnel lens comprises at least one first prism and one second prism. Each prism has a first side and a second side which forms with a main axis an angle greater than that formed by the first side and the main axis. Conventionally, the second side of the first pri... | 08/30/2011 |
| 8004760 | Rear-projection display Various embodiments related to rear-projection image display are disclosed. For example, one disclosed embodiment provides a projector for projecting an image and a screen configured to display the image. The screen comprises a filter layer having a light reception ... | 08/23/2011 |
| 8004759 | Diffusing screen Various embodiments related to a rear projection display screen configured to reduce an intensity of light at a viewing angle at which the light is less likely to be viewed by a user are disclosed. One disclosed embodiment provides a diffusing screen comprising a sh... | 08/23/2011 |
| 7729050 | Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet In a diffusion sheet, a plurality of approximately trapezoidal columnar unit lens portions are disposed such that the long-axis directions thereof are in parallel with each other, and all the surfaces of the unit lens portions, which correspond to the long bottom se... | 06/01/2010 |
| 7688508 | Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet In a diffusion sheet, a plurality of approximately trapezoidal columnar unit lens portions are disposed such that the long-axis directions thereof are in parallel with each other, and all the surfaces of the unit lens portions, which correspond to the long bottom se... | 03/30/2010 |
| 7551352 | Image display apparatus, as well as, Fresnel lens sheet and screen to be used therein To eliminate or otherwise reduce non-uniform brightness of an image of a display apparatus, an image is projected through a projection optical system having a projection lens (2), curved surface reflection mirrors (4 and 5), and a reflection mir... | 06/23/2009 |
| 7535638 | Fractional coverage louver device for a light guide screen In a particular embodiment, the fractional coverage louver device includes a transparent layer of material having a first surface and a second surface parallel thereto. A plurality of louver members disposed within the transparent layer of material provide fractiona... | 05/19/2009 |
| 7499215 | Video screen panel apparatus and system A first panel includes an optically transmissive body having a front side and a rear side. The body has a width, a height, and a depth. The depth is substantially less than either of the width or the height. The body includes a first edge on a first side defining a ... | 03/03/2009 |
| 7460301 | Image display apparatus, and transmissive screen and reflecting mirror used for same The present invention provides a technique suitable for making a set more compact by realizing reduction in height and reduction in depth. An image display apparatus of the present invention includes a reflecting mirror (4) for reflecting the image sent from ... | 12/02/2008 |
| 7453639 | Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet In a diffusion sheet 101, a plurality of approximately trapezoidal columnar unit lens portions 11 are disposed such that the long-axis directions thereof are in parallel with each other, and all the surfaces of the unit lens portions, which correspond ... | 11/18/2008 |
| 7440186 | Screen, a fresnel lens sheet used for the screen, and an image display apparatus using the screen The present invention provides a technology suitable for shortening a depth of a image display apparatus while obtaining a picture of high quality. According to the invention, a total reflection prism portion is provided on a side of a Fresnel lens sheet toward a pi... | 10/21/2008 |
| 7434938 | Display device movable for front and rear projection A display device has a screen, a housing, a mirror, and a projector. The housing extending away from one side of the screen and has an opening. The mirror is disposed within the housing. The projector is moveable relative to the housing to selectively engage the ope... | 10/14/2008 |
| 7436593 | Screen, fresnel lens sheet used therefor, and image display apparatus using the same Images that are bright even on the periphery of a transmissive screen are obtained by reducing reflection loss of the screen when the screen incident angle of the image light entering the upper left and right ends of the screen increases. Incident-side prisms (10... | 10/14/2008 |
| 7436592 | Combination screen A combination screen. The combination screen can be configured to provide both light diffusion functionality and light redirection functionality. ... | 10/14/2008 |
| 7434937 | Methods and systems for calibrating rear projection video A video system includes a video projector located in a housing a display screen disposed adjacent to the housing, wherein the display screen is capable of being tilted to expose the video projector, logic for generating a test image to display on the tilted display ... | 10/14/2008 |
| 7425071 | Video display device and decoration display body An image display apparatus that can display three-dimensional-like images having a superior visual effect in a simple manner is provided. This image display apparatus is constituted by a projector 20 and a decorative display unit 10 comprising a light ... | 09/16/2008 |
| 7423808 | Rear projection screen with spatial varying diffusing angle A Fresnel lens of the prior art is split into two Fresnel lenses to allow easier control of the horizontal and vertical viewing angles. In a second embodiment, the Fresnel lens is entirely eliminated. Instead, the diffuser contains elliptical microstructures so that... | 09/09/2008 |
| 7419267 | HDR displays with overlapping dual modulation A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen.... | 09/02/2008 |
| 7417795 | Projector screen for image projection The invention relates to a projector screen for image projection, comprising a transparent support (16) which fixes the screen shape and a light-scattering layer, which covers at least one defined projection surface within the screen shape, whereby, in order ... | 08/26/2008 |
| 7417794 | Polymer sheet for projection screen A polymer sheet for use in a projection screen comprises polyorgano silsesquioxane microspheres that enhance light diffusing characteristics. Also disclosed is a projection screen comprising at least two glass plates and the polymer sheet disposed therebetween. Also... | 08/26/2008 |
| 7413309 | High dynamic range display devices A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen.... | 08/19/2008 |
| 7413307 | High dynamic range display devices A display has a first array of pixels connected to emit individually-controlled amounts of light onto a second array of pixels. The second array of pixels is connected to pass individually-controllable portions of the light. The display has a controller connected to... | 08/19/2008 |
| 7408708 | Diffusing sheet, surface light source unit, and transmission type display A diffusing sheet, a surface light source unit, and a transmission type display that can attain uniform illumination so that the brightness of light on the display screen appears uniform regardless of the position from which the display screen is observed. The diffu... | 08/05/2008 |
| 7408707 | Multi-region light scattering element A multi-region light scattering element with the optical characteristics of low speckle, high resolution high contrast, and high gain when used as an imaging element without any resulting loss of transmission or brightness with viewing angle. The multi-region light ... | 08/05/2008 |
| 7408709 | Screen and method for manufacturing the same A screen for displaying an image by projection light includes: a selectively reflective layer having reflection properties with respect to light in a specific wavelength region corresponding to the projection light, and having absorption properties with respect to l... | 08/05/2008 |
| 7407294 | Multi-direction image viewing system A multi-direction image viewing system includes a triangular or rectangular image case, and plural projectors symmetrically installed to the inner sides of the image case in three or four directions. Projecting light paths cross each other so that the size of the im... | 08/05/2008 |
| 7403334 | Optical member and process of producing the same The present invention provides an optical member having excellent anti-reflection properties, capable of being produced inexpensively as compared with conventional optical members having anti-reflection properties and of being mass-produced with quality kept constan... | 07/22/2008 |
| 7391568 | Luminous intensity distribution control device and display having the same A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer; a backlight apparatus arranged at one side of the couple of substrates of the liquid crystal display element; a polarizer arranged between the liquid crysta... | 06/24/2008 |
| 7382534 | Screen and projector with spherical lens array A screen includes a lens array having a plurality of spherical lens elements. A first length of the spherical lens elements, along a first direction at substantially a center of each of respective spherical lens elements, and a second length of the spherical lens el... | 06/03/2008 |
| 7379240 | Rear projection-type screen and rear projection-type image display device A rear projection-type screen includes two sheet-like members having lenses prevented from being deformed and scratched. In the rear projection-type screen (5) for passing and focusing image light L emitted from an image light source (3), two sheet-lik... | 05/27/2008 |
| 7377656 | Projector A projector of rear-projection type including a light source that outputs a laser beam and a scanner that scans a screen with the laser beam. When a laser beam with energy exceeds an accessible emission limit due to failure of the light source or the scanner, at lea... | 05/27/2008 |
| 7377652 | HDR displays having location specific modulation A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen.... | 05/27/2008 |
| 7375884 | Rear projection screen and optical device thereof A rear-projection screen comprises an optical unit, a light-blocking layer, and an optical lens. The optical unit has a first surface and a second surface. The first surface is opposite to the second surface. The first surface has a plurality of cylindrical convexes... | 05/20/2008 |
| 7375883 | Lens sheet, transmission type screen, and rear projection type display A lens sheet, transmission screen, and a rear projection display are provided. The lens sheet includes fly-eye lens elements periodically arranged on one side of a transparent base, wherein the lens elements are composed of a UV-curing type resin, and the storage el... | 05/20/2008 |
| 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 |
| 7369311 | Lens sheets for rear projection screens A lens sheet for use as a Fresnel lens sheet or a lenticular lens sheet of rear projection screens, which includes a plastic substrate and a lens element disposed on the plastic substrate. The plastic substrate includes at least a first surface layer, an intermediat... | 05/06/2008 |
