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| Number | Title | Issue Date |
| 7396134 | Apparatus and method for driving light source of projector An apparatus and a method for driving the light source of a projector are provided. The apparatus includes an adjustment unit, a lamp driver, a phase lock loop (PLL) and a mercury lamp. The adjustment unit provides an enabling signal and regulates the frequency of t... | 07/08/2008 |
| 7393108 | Imaging disturbing method and system A method of preventing image capturing that radiates a visible light that because of the human vision characteristics, an optical image for the visible light for the interference is difficult to distinguish from an image being projected onto the screen and because o... | 07/01/2008 |
| 7393110 | Media projector system A system comprising a media player configured to play media content, a projector operatively coupled to the media player and comprising a lamp, and a control unit operatively coupled to the media player and the projector is provided. The control unit is configured t... | 07/01/2008 |
| 7390092 | Image projection lighting devices with visible and infrared imaging A lighting system comprised of a central controller, a digital communications path, and a plurality of image projection lighting devices (IPLDs) is provided. The IPLDs contain cameras that can capture both visible light and infrared light. Address signals sent from ... | 06/24/2008 |
| 7386215 | Projection system and light tunnel thereof A light tunnel includes a first optical element, a second optical element, a third optical element and a fourth optical element. The first optical element has a first recess. The second optical element is disposed opposite to the first optical element and has a seco... | 06/10/2008 |
| 7385620 | Terminal with projection display A mobile data and/or communication terminal is provided which includes an optical system for the generation of a projected display as well as parts for stabilizing the display when the terminal is moved. ... | 06/10/2008 |
| 7379393 | Timer device for use in an audio/visual presentation The present invention provides a time tracking device comprising a display incorporated into a housing of a projector, a control pad, and a power source. The time tracking device can provide a presenter with the ability to track the elapsed time of a presentation. T... | 05/27/2008 |
| 7377658 | System and method for automated projector lamp management An information handling system projector tracks lamp usage to generate a lamp order form for order of a replacement lamp when lamp usage is a predetermined usage. The lamp order form is automatically generated and displayed to include lamp usage and projector identi... | 05/27/2008 |
| 7377651 | Image projection lighting devices with visible and infrared imaging A lighting system comprised of a central controller, a digital communications path, and a plurality of image projection lighting devices (IPLDs) is provided. The IPLDs contain cameras that can capture both visible light and infrared light. Address signals sent from ... | 05/27/2008 |
| 7374292 | Image projection table An image projection table including: a projector which projects an image; a housing in which the projector is housed; and a top plate on which the image projected from the projector is projected, wherein the top plate includes an operational part for operating the p... | 05/20/2008 |
| 7374291 | Projection optical system and image display apparatus using same An image display apparatus is provided, which includes a first image display element corresponding to a first color light, a second display element corresponding to a second color light different from the first color light, and a projection optical system having at ... | 05/20/2008 |
| 7370979 | Calibration of displays having spatially-variable backlight A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from a light source comprising an array of controllable light-emitters. The controllable-emitte... | 05/13/2008 |
| 7370974 | Toy with virtual character The present invention provides a toy that makes character movement realistic, A transparent LCD screen that is visible from the front of the room is disposed within the room so as to be in contact with the walls, ceiling and floor thereof. An internal body such as a... | 05/13/2008 |
| 7372447 | Microdisplay for portable communication systems The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED il... | 05/13/2008 |
| 7370975 | Image processing apparatus An image processing apparatus which includes: an imaging device; a reference luminance property storage device that stores a predetermined reference luminance property; a luminance property calculating device that calculates a luminance property of the imaging devic... | 05/13/2008 |
| 7370978 | Encrypting data Embodiments disclose encrypting data used to adjust reflectivity of the screen. ... | 05/13/2008 |
| 7369773 | Methods and systems for polarization control and polarization mode dispersion compensation for wideband optical signals An optical processing method includes: receiving an optical signal from an optical system, wherein the optical signal is distorted by frequency-dependent polarization effects in the optical system; spatially dispersing frequency components of the distorted optical s... | 05/06/2008 |
| 7367510 | Monitoring light beam position in electro-optical readers and image projectors An arrangement for determining light beam position in an electro-optical reader, image projector and like devices includes a drive for moving a scanning light beam at a scan frequency across a target as a scan line, and an electro-optical feedback assembly operative... | 05/06/2008 |
| 7364307 | Method and system for a beam projector having data manipulation capabilities A method and system for a beam projector having data manipulation capabilities. The beam projector includes a central processing unit integral with the beam projector, a memory portion coupled with the central processing unit and a signal-receiving portion coupled w... | 04/29/2008 |
| 7365513 | Positioning device having dynamically isolated frame, and lithographic device provided with such a positioning device A guided stage mechanism suitable for supporting a reticle in a photolithography machine includes a stage movable in the X-Y directions on a base. Laterally surrounding the stage is a rectangular window frame guide which is driven in the X-axis direction on two fixe... | 04/29/2008 |
| 7364306 | Field sequential light source modulation for a digital display system A digital display system consists of an image modulator and multiple light modulators. An image processing system processes an incoming data stream, scans processed data to an image modulator and controls for the light modulators. Other user inputs and sensors are u... | 04/29/2008 |
| 7364304 | Projector control To automatically adjust the quality of a projection image commensurate with the performance in-time deterioration and aging of projector component parts in an image projection system, each projector detects an integrated service time of its own light-source lamp and... | 04/29/2008 |
| 7364300 | Theta-parallax-only (TPO) displays A 3-D display may comprise a rotating optical diffuser for displaying 3-D parallax images in specific substantially unidirectional viewing zones as the rotating optical diffuser rotates; and a projector for projecting images through the rotating optical diffuser. | 04/29/2008 |
| 7362493 | Micromirror and post arrangements on substrates A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is par... | 04/22/2008 |
| 7360928 | Tilting device A tilting device is disclosed which tilts the light reflected from a Digital Micro-mirror device by a certain angle and projects it to a screen. The tilting device, comprising a first reflector surface, a second reflector surface inclined at a predetermined angle wi... | 04/22/2008 |
| 7360906 | Projection optical system unit and projection-type image display apparatus using the same A projection optical system unit has a lower pedestal. The lower pedestal has first and second tubular portions opened to each other. An image formation device holding plate for a DMD is mounted on the first tubular portion at a side where one opening is formed. A m... | 04/22/2008 |
| 7360904 | Projector, range finding method, and recording medium on which range finding method is recorded A projector wherein chart images are stored in an image storing section, the chart images have range-finding light-dark patterns expressing particular shapes and also used as advertisements, the chart images are selectively read from the image storing section, the c... | 04/22/2008 |
| 7360905 | Compact optical engine for very small personal projectors using LED illumination According to various illustrative embodiments of the present invention, a device for a light projection system includes a single light emitting diode array comprising at least one green die, at least one blue die, and at least one red die, a single light collection,... | 04/22/2008 |
| 7357535 | Supporting structure of straight down back light module A straight down back light module including a diffuser plate, a lamp, a reflector plate (back plate) and a support. The reflector plate is located below the diffuser plate. The lamp is located between the diffuser plate and the reflector plate. The support is instal... | 04/15/2008 |
| 7357517 | Projector, method of controlling the projector, program for controlling the projector, and recording medium storing the program A projector includes an image capture device that captures an image in a capture region larger than a projection region of a projection image; an image determining unit that compares and determines the projection image projected by the corresponding projector with a... | 04/15/2008 |
| 7358962 | Manipulating association of data with a physical object Data elements stored in a computing system and associated with a physical object are reassociated with the same or another physical object. An identifying characteristic presented by the physical object, such as a reflective pattern applied to the object, is detecte... | 04/15/2008 |
| 7357515 | Method and device for generating spatial images The invention is related to methods and devices for generating spatial images. The method comprises forming at least two directional radiation beams in a selected viewer's plane, each of the at least two directional radiation beams having a power from 0.05 to 10 of ... | 04/15/2008 |
| 7355583 | Motion-based text input A method generates input text with a pointing device at a distance from a writing surface. Motion information of a mobile coordinate frame of the pointing device is sensed relative to a stationary coordinate frame of the writing surface using a motion sensor configu... | 04/08/2008 |
| 7355657 | Laser illuminated projection displays A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the m... | 04/08/2008 |
| 7355584 | Projector and camera arrangement with shared optics and optical marker for use with whiteboard systems Projector and camera arrangements are provided for use in electronic whiteboard systems. Specifically, the present invention provides projector and camera arrangements wherein the projector and camera share the same imaging optics. By sharing the same projection and... | 04/08/2008 |
| 7350923 | Image-rendering device In a computing device configured to be connected to a wireless network, a method of projecting an image via a projection device over the wireless network, is provided, wherein the projection device is connected to the wireless network via an image-rendering device c... | 04/01/2008 |
| 7352340 | Display system having a three-dimensional convex display surface A display system has a display surface having a three-dimensional convex shape. A projection system projects an object field onto a continuous image field located on the interior of the display surface the display surface is extensive in its coverage, for example su... | 04/01/2008 |
| 7352929 | Rotary joint for data and power transfer A rotary joint is disclosed. The rotary joint comprise a power transfer interface for transferring power between a first portion having a first magnetic core and a second portion having a second magnetic core and rotatable relative to the first portion. The rotary j... | 04/01/2008 |
| 7350922 | Three-dimensional display using variable focal length micromirror array lens A three-dimensional display device includes a two-dimensional display displaying a depthwise image, and a variable focal length micromirror array lens receiving light from the two-dimensional display and forming a corresponding image in the required location in spac... | 04/01/2008 |
| 7347570 | Multimedia presentation apparatus and method A multimedia presentation apparatus and method by which a presenter is freed from the requirement of having or providing or transporting a supporting computer system such as the notebook or laptop system by the incorporation of computing capability and an accessible... | 03/25/2008 |