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7611396 |
Illuminated balloon with an externally mounted, rear projector
An illuminated balloon assembly. The assembly includes a balloon having a front wall and a transparent rear wall or a rear wall including a transparent area. A projector is mounted on an exterior...
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7576727 |
Interactive directed light/sound system
An interactive directed beam system is provided. In one implementation, the system includes a projector, a computer and a camera. The camera is configured to view and capture information in an...
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7575330 |
Method and apparatus for increasing effective contrast radio and brightness yields for digital light valve image projectors
The present invention is a method and apparatus for increasing the effective contrast ratio and brightness yields for digital light valve image projectors using a variable luminance control...
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7561754 |
Image transformation apparatus for image transformation of projected image by preventing distortion
An image transformation method to be implemented by a computer carries out an image transformation process, by transforming a picked up image that is picked up by a pickup unit having an optical...
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7561334 |
Method and apparatus for reducing back-glass deflection in an interferometric modulator display device
Methods and apparatus for reducing back-glass deflection in an interferometric modulator display device are provided. In one embodiment, an interferometric modulator display is provided that...
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7535436 |
Light beam delivery system
A device for projecting images from a video generating device such as a computer, television receiver, or similar device onto a screen or other surface is described in this invention. The device...
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7524066 |
Projection device projection system, and image obtainment method
A projector ( 1 ) includes a template memory ( 5 ), the template memory storing beforehand, for example data of template images made of only ruled lines. A displaying unit ( 6 ) of the projector (...
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7520615 |
Display apparatus and image pickup apparatus
A display apparatus is provided which can display different text/image information depending on the viewing angle and the viewer, display a high reality three-dimensional image viewable from any...
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7511771 |
Color 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...
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7502018 |
Projector, electronic whiteboard system using projector and method of acquiring indicated point
An electronic whiteboard system has light emitting elements mounted on ultrasonic wave receivers of a signal processor, and an imager device for imaging the light emitting elements and a projection...
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7499213 |
Rear projection display apparatus and transmission type screen
A rear projection display apparatus includes a transmission type screen, a video projector, a lens sheet, a plurality of pull portions, and a pulling device. The transmission type screen is...
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7499111 |
Projection 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,...
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7486339 |
Image 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...
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7470031 |
Image display device
An image display device includes a light source that supplies beam-like light; a scanning portion that scans light from the light source to display an image by using light from the scanning...
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7468711 |
Method and device for creating a facsimile of an image
A technique of using an electronic device to change light into the facsimile of an image. Signals are generated, indicative of the image shape. An array of electro optical devices are transformed...
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7468508 |
System for and method of projecting an image and adjusting a data frequency of a video signal during image projection
A composite laser beam is swept as a pattern of scan lines on a projection surface, and selected pixels arranged along each scan line are illuminated to project an image of high quality and in...
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7465053 |
Projection type video display unit and illuminating device
A lens array wheel 4 receives light irradiated in a direction parallel to its rotation axis, to cyclically deflect the light. On each of liquid crystal display panels 7 R, 7 G, and 7 B, the...
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7465052 |
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...
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7461939 |
Automatic zoom for screen fitting
A method for projecting an image with a projection system includes zooming a projected image in accordance with a resolution of the image, when a resolution of the image is less than a resolution...
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7460179 |
Adaptive image display
A display system may include an identifier configured to identify an image display condition associated with the display of an image produced by the display system, an apparatus configured to...
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7453475 |
Optical display device, program for controlling the optical display device, and method of controlling the optical display device
Exemplary embodiments of the invention provide an optical display device that modulates light from a light source in two stages through an optical modulator and a luminance adjusting element to...
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7448755 |
Three-panel projection display apparatus for displaying color images
A three-panel projection display apparatus displays a color image by separating light emitted from a light source into lights of three primaries, i.e., red, green, and blue, with dichroic mirrors,...
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7446822 |
High-resolution image projection
A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be...
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7441909 |
Optical 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...
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7441907 |
Light 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...
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7430022 |
Color 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...
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7429983 |
Packet-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...
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7410261 |
Multicolor 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...
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7408527 |
Light 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...
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7397476 |
Projector, 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 ...
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7391475 |
Display 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...
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7370976 |
Projection 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...
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7365806 |
Projection 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...
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7357513 |
System 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...
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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...
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7352499 |
Arrangement 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...
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7352360 |
Multi-trail spot click-event detection method
A multi-trail spot click-event detection method is disclosed, which uses a camera to capture a plurality of consecutive images from a display screen. The camera is connected to a host and sends the...
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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...
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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...
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7347560 |
Method and/or apparatus for projecting an image
Methods, apparatuses and systems for projecting an image, such as a diffused image, are disclosed herein.
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7342572 |
System and method for transforming an ordinary computer monitor into a touch screen
A system and method for turning a regular computer monitor screen into a touch screen using an ordinary camera. It includes an image-screen mapping procedure to correct for the non-flatness of the...
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7339625 |
Optical and electrical blending of display images
A method and a device for soft edge blending of projected display images ( 16 a , 16 b ) is provided. The method combines optical and electrical soft edge blending in an blending area ( 26 ) by...
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7338176 |
Elevator installation with information representation on a shaft door
An elevator installation includes an elevator car moved in an elevator shaft between floors in a building. A shaft door for closing the elevator shaft is arranged at each floor. A method for...
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7338174 |
Shutter device and projection type video display
Each shading plate comprises a rotating shaft and a driving shaft arranged vertically. First divided shading plate is loosely fitted to and supported by (not adhere to) the rotating shaft and...
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7336322 |
Image display apparatus
An image display apparatus includes a second converging unit constructed so that a light flux from part of a first light source or from a separately provided second light source is converged to...
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7330164 |
Video controlled detector sensitivity
A method for setting opto-sensor detection sensitivity in a projection video display comprising the steps of sequentially generating video signals of different colors for illuminating a sensor with...
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7327408 |
Illuminator that generates linearly polarized light for microdisplay based light engine
A hollow sphere with a scattering (e.g., white diffusive) interior surface directs light input from at least one input light source to an exit. In one embodiment, an internal hot mirror and...
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7324169 |
Projection optical system, projection television, and method of manufacturing lens included in projection optical system
Provided are a projection optical system, a projection television, and a method of manufacturing a lens included in the projection optical system. The projection optical system includes lenses for...
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7312835 |
Projection type display apparatus
In a projection type display apparatus including a blue CRT display apparatus with low luminous efficiency and low luminous efficiency, the present invention seeks to improve contrast while...
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7304690 |
Optical engine of a projection television
The present invention relates to an optical engine of a projection television in which a path of illumination emitted from a light source is aligned to correspond with the image producer by turning...
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