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Class 348/744 - Projection device


Subclass of Class 348 - Television
Definition: Subject matter including a viewing surface (e.g., screen
No. of patents: 514
Last issue date: 01/31/2012


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NumberTitleIssue Date
8107017Combination display apparatus
A combination display is provided. The combination display includes a front projector and a direct-view screen having a shared video processing system. ...
01/31/2012
8049822Projection type video display
There are provided a write light valve for generating image-writing light by modulating write light, a driver for writing images into the write light valve based on image data, read light valves for each color for generating respective color image lights by modulati...
11/01/2011
7952650Reflector and projection type display apparatus
It is an object to prevent deterioration of reflectance of a reflection layer composed of silver or a silver alloy, resulting from heat-caused migration of silver. The reflector for projection type display apparatuses which display image light beams emitted and refl...
05/31/2011
7924349Arrangement for and method of projecting an image with linear scan lines
A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for sweeping a composite laser beam as a pattern of linear scan lines on a planar projection surface and for causing selected pixels...
04/12/2011
7920214Method for formation of a color video image for projection systems with one cathode ray tube
A method for formation of projection systems color video-images comprises: preliminary programmed processing of video-signals, dividing them into three primary colors components, and generating frame- and line-synchronizing pulses for CRT raster, provided by process...
04/05/2011
7859600Arrangement for and method of projecting a level image
A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for sweeping a composite laser beam as a pattern of scan lines on a planar projection surface and for causing selected pixels arrang...
12/28/2010
7834939Continuous use display system
One embodiment of a display system includes a first light source that projects a first projected video light to define a first viewable video image, a second light source that projects a second projected video light to define a second viewable video image identical ...
11/16/2010
7825996Apparatus and method for virtual retinal display capable of controlling presentation of images to viewer in response to viewer's motion
An apparatus is disclosed which projects light onto a retina of a viewer, to thereby allow the viewer to perceive a display object via a virtual image. The apparatus includes: an emitter emitting light; a modulator modulating the light; a display unit outputting the...
11/02/2010
7817212Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same
Provided are a laser video projector having a multi-channel acousto-optic modulator, and a method and circuit for driving the laser video projector. The laser video projector includes a light generating portion, an optic modulator, an optic combining portion, and an...
10/19/2010
7746414Illumination system eliminating laser speckle and projection TV employing the same
Provided are an illumination system, a projection TV employing the illumination system, and a projection method. The illumination system includes: a laser light source which emits a plurality of laser beams including beamlets along different optical axes; and a diff...
06/29/2010
7728912Display system
A display system has a device for projecting a light beam and a display. The light beam includes encoded data. The display includes light sources selectively activated according to the encoded data received from the device. ...
06/01/2010
7728913Electro-optical device and electronic apparatus
An electro-optical device comprising an image signal line that supplies an image signal to a sampling circuit, the image signal line extending from an image signal terminal, bypassing a data line driving circuit, and reaching the sampling circuit. The image signal l...
06/01/2010
7714942Projector assembly using a mobile terminal
A projector assembly having a mobile terminal, a first light source and a projection lens is provided. The mobile terminal has a display and a body where the display includes a first flat display panel and the body includes an input device. The first light source su...
05/11/2010
7714943Ultra-thin image projection system
An ultra-thin rear projection display system (RPDS) is disclosed. The system uses a small flat mirror, a small non-rotationally symmetric mirror and a larger non-rotationally symmetric mirror to achieve a D-to-d ratio of around 11:1 while rendering a significantly d...
05/11/2010
7697079Illumination system eliminating laser speckle and projection TV employing the same
Provided are an illumination system and a projection TV employing the same. The illumination system includes: a laser light source including a plurality of lasers which emit laser beams including a plurality of beamlets; a first diffractive optical element which sep...
04/13/2010
7649574Image display method and device, and projector
An image display method of splitting a frame into a plurality of sub frames by multiplying a frame frequency of an incoming image signal by an integer, and dividing an image that is originally for the frame into pieces for display on the sub frames. In the image dis...
01/19/2010
7511771Color image projection system and method
An image projection system projects an image on a projection screen having phosphor particles for converting incident violet light into green light which, together with red and blue light, creates the image in full color. The phosphor particles are bound in a bindin...
03/31/2009
7499111Projection type display device and back projection type display device using the same
The system provides a projection-type video display device with high image quality and high reliability. The system improves color purity by cutting the yellow component from red and green, enhances the optical energy balance of the three colors by providing a refle...
03/03/2009
7486339Image projection lighting device displays and interactive images
An improved multiparameter lighting fixture is provided comprising a base, a yoke, a lamp housing, and a communication port for receiving address and command signals. The lamp housing may be comprised of a lamp, a light valve, and a lens. The lamp, the light valve a...
02/03/2009
7441909Optical assembly for a projection system
An optical assembly for a projection system includes an objective lens and a retro-focus lens. Then objective lens and retro-focus lens share one or more lens elements. A method of projecting an image comprises directing light from a light source to one or more modu...
10/28/2008
7441907Light source driving method
A light source driving method for controlling a first and a second light source assembly of a projection apparatus to turn on and off at least once during each 1/n frame time is provided. The first light source assembly includes first color light sources and third c...
10/28/2008
7429983Packet-based digital display system
An all-digital display system includes an electronic processor that is operable to receive an internet protocol video packet and to generate a control signal based at least in part on the internet protocol video packet. In one particular embodiment, the electronic p...
09/30/2008
7430022Color display device
The invention relates to a color display device for display a color image and a method of operating such display. The color display device is provided with a plurality of picture elements, two selectable light sources having different predetermined radiance spectra,...
09/30/2008
7410261Multicolor illuminator system
In an image projection system, there are at least two light illumination units producing illumination light beams of respective first and second primary colors. A first beamsplitter is disposed to split at least a portion of the first illumination light beam into su...
08/12/2008
7408527Light emitting device driving method and projection apparatus so equipped
A projection system is provided with a controller equipped to drive light emitting devices of a light source of the projection system in a manner that enhances the operational life of the light emitting devices, the ability to provide peak white, and/or finer gray s...
08/05/2008
7397476Projector, projection display system, and corresponding method and recording medium
In response to a requirement of transferring a file from a personal computer PC to a projector 10 that is output by dragging and dropping a corresponding file icon onto a projector icon, a CPU 50 requires setting of a password. The CPU 50 maps t...
07/08/2008
7391475Display image generation with differential illumination
A method of producing a display image comprises receiving image information representing an image to be displayed, producing an image formed of a plurality of images of different colors, and projecting the produced image along an optical path. The differently colore...
06/24/2008
7390092Image 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
7370976Projection type image display device
The device has flexure correcting means for operating to rotate a first eccentric cam provided at a central part of a first side of a reflecting mirror, thereby moving up and down the central part of the first side to correct the flexure of the reflecting mirror, to...
05/13/2008
7369584Laser projection display
A method and apparatus are provided for controlling the operation of a Laser Projection Display (LPD). Generally, the LPD is comprised of a laser, an optical system and a controller. The laser is adapted to emit a beam of laser light. The optical system is adapted t...
05/06/2008
7365806Projection display apparatus including a slide mechanism to prevent dropping of a screen during attachment
A projection display apparatus (1) includes slide bases (106) which are able to protrude from a housing (101). A screen unit (103) is supported by rotation plates (107) rotatably provided on the slide bases (106). The attach...
04/29/2008
7364313Multiple image projection system and method for projecting multiple selected images adjacent each other
The present invention provides a projection device comprising: at least two input channels for receiving at least a first and a second input image signal, an image recombination system for combining the input image signals into one imaging signal, an input port for ...
04/29/2008
7365800Method for pre-processing image data
A method for pre-processing image data, including steps of: receiving primary image data corresponding to an image or a sequence of images to be displayed; pre-processing the primary image data by applying a pre-distortion operation to the primary image data so as t...
04/29/2008
7362336Four color digital cinema system with extended color gamut and copy protection
A color display system including a display device for four or more visible color primaries and a processor for controlling the four or more color primaries to selectively render portions of an image or image sequence such that visually equivalent colors displayed in...
04/22/2008
7357513System and method for driving semiconductor laser sources for displays
A light engine includes a multi-color laser source having a set of semiconductor lasers. A controller synchronizes the operation of the laser source to operate in a color sequential order with a spatial modulator. ...
04/15/2008
7358930Display system with scrolling color and wobble device
A display system for displaying an image based upon image data includes an image processing unit configured to define a plurality of sub-frame images including a first sub-frame image and at least a second sub-frame image based upon the image data; a scrolling color...
04/15/2008
7355657Laser 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
7350927Image display apparatus
The present invention includes a reflection portion which light-modulates three primary color lights by three rectangular reflective liquid crystal light modulators, then color-combine the light-modulated lights and reflects the resultant light; and a projection len...
04/01/2008
7350923Image-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
7352499Arrangement for and method of projecting an image with pixel mapping
A laser beam is swept by a scan mirror as a pattern of scan lines on a projection surface. The scan mirror moves at a variable speed along each scan line. Each scan line has a number of pixels. The pixels have time durations proportional to the variable speed of the...
04/01/2008
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