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7611250 Projector  
A projector including a display screen and an imaging system is provided. The imaging system is adapted for providing an optical image and the optical image is transmitted to the display screen...
7602563 System and method for focal length stabilization using active temperature control  
An optical metrological system having a heat-generating light source coaxially mounted near a heat-sensitive lens. The system uses a temperature sensor to monitor the lens temperature and a heating...
7581838 Optical projector and image display apparatus using the same  
Image disturbance called speckle noise occurs when an image generator has a small effective screen size and a projection lens has a small effective diameter. The present invention is intended to...
7573644 Light pipe assembly including a plurality of lenses and related projector system  
A light pipe assembly includes a lens set and a holder. The lens set includes a first lens, a second lens, a third lens, and a fourth lens. The first lens has a first surface and a fifth surface...
7570240 Method and apparatus to minimize lamp flicker and increase contrast ratio in projection devices  
A variable retarder is inserted in a polarized light beam. The retardance of the variable retarder is increased when the light beam increases in brightness and is decreased when the light beam...
7559659 Configurable projection device  
A modular projection device. The modular projection device includes a docking interface for selectively coupling the projection device to a content source module that provides the projection device...
7557867 Optical engine and image projecting apparatus having the same  
An optical engine is provided that includes a base frame, a video device assembly for generating a video signal, and a driving substrate detachably coupled to the video device assembly for driving...
7556385 Projector  
A projector for image projection, includes: an optical element included by an optical system to project an image; a tripod that supports the projector; and a tripod-fixing part that is connected...
7556384 Press-up tri-fold display device  
A trifold display device comprising panel opening mechanism(s) which open the device, in a damped motion, from a closed position wherein display surfaces are concealed from view to an open...
7553029 Structure of projector engine section  
A structure of a projector engine section includes: an engine section that projects through a projector lens an optical image formed by modulating a light flux depending on image information; a...
7546028 Inclination angle adjusting mechanism for image pickup device  
An inclination angle adjusting mechanism includes a mounting plate to which an image pickup device is mounted; a reference member holding the mounting plate; through-holes formed in the mounting...
7542055 Image display system, projector, information storage medium, and image processing method  
An image display system that performs grayscale correction in accordance with the on-site environment, to display an image, is provided with: a calibration signal generation section ( 150 ) that...
7533995 Device for forming visible image in air  
The present invention relates to a device for forming a visible image which can draw a two-dimensional or a three-dimensional visible image without having a scanning locus of a laser beam...
7527998 Method of manufacturing MEMS devices providing air gap control  
Methods and apparatus are provided for controlling a depth of a cavity between two layers of a light modulating device. A method of making a light modulating device includes providing a substrate,...
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 (...
7520621 Manufacturing apparatus of optical device, manufacturing method thereof and projector  
A manufacturing apparatus for manufacturing a projection optical system has a plurality of optical modulators, a color-combining optical device and a projection optical device. The manufacturing...
7503659 Multiple location illumination system and projection display system employing same  
An illumination system is disclosed for use with an array of imaging mirrors such as in a projection imaging system. The projection imaging system includes projection optics and first and second...
7500756 Monitoring apparatus  
A monitoring apparatus includes plural imaging units; a viewpoint conversion unit making viewpoint conversion of each imaged picture of the plural imaging units into an overhead picture with the...
7500755 Display apparatus and image processing system  
A display apparatus includes a half mirror for allowing light incident from the rear to pass through to the front and reflecting light incident from the front toward the front, a display section...
7494230 Reflecting non-visible light off one or more mirrors  
Embodiments of reflecting non-visible light off one or more mirrors are disclosed. In an embodiment, non-visible light may be reflected off of one or more mirrors in an off positon and a portion of...
7490942 Projector with automatic focusing assistance  
A projector with automatic focusing assistance includes a focus control for controlling the focus of optics of the projector, and a focus control use sensor. The projector automatically displays a...
7484855 Image processing system, projector, computer-readable medium and image processing method  
A projector including: an adjustment section which generates edit image information for projecting an edit image including a content image based on input image information and a position change...
7465055 Rotary operation mechanism, electronic apparatus and projector  
A rotary operation mechanism is provided with: a gear that is rotatably provided in the apparatus main unit of an electronic apparatus that is provided with an apparatus main unit and an outer case...
7465054 Focusing arrangement  
A focusing arrangement has a lens disposed adjacent a lamp, a sensor for detecting a parameter which varies with a focal position of light focused by the lens, and a controller for adjusting the...
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...
7465051 Apparatus and method for generating an image  
An apparatus for generating an image comprises a projection means, which is designed to generate an image on a projection area, a detection means, which is designed to generate a detection means...
7461941 Uninterrupted power supply for projection lamp protection  
An apparatus and method for protecting projection lamps 3 in computer monitors, projection television receivers, video projectors 15 , game displays and the like which incorporates a sensor 2 ...
7456557 External light-shielding layer, filter for display device including the external light-shielding layer and display device including the filter  
An external light-shielding layer capable of enhancing a visible light transmittance and a contrast ratio and preventing Moiré fringe and Newton ring phenomena, a display filter including the...
7455411 Projection-type display device  
A projection-type display device includes a light source, a spatial light modulation element which modulates incident light according to an applied image signal and emits the modulated light, an...
7445346 Projection equipment support system  
A support system for the mounting/suspension/elevation of a commercial projector is disclosed. The projector support grasps the projector to be mounted at one of its surfaces (typically, the bottom...
7445342 Image projection system for personal media player  
An image projection module within a housing accessory is operative for causing selected pixels in a raster pattern to be illuminated to produce an image at different image planes of VGA quality. A...
7441905 Optical scanner  
An optical scanner suitable for scanning a vertical object. The optical scanner has a scanning body, a focusing device and a scanning module. The scanning body has a transparent window, the...
7438426 Projection display apparatus and digital zooming method thereof  
A projection display apparatus and digital zooming method thereof is disclosed. The projection display apparatus receives a first image and includes a control unit, an image processor, an image...
7438422 Simplified night sky display system  
A portable structure, simply constructed with inexpensive and generally lightweight materials, for displaying a selected portion of the night sky and selected planets, satellites, comets and other...
7434943 Display apparatus, image processing apparatus and image processing method, imaging apparatus, and program  
A system and method displays a realistic image that allows a user to readily grasp his/her own positional relationship and also to experience a sense of presence. An outer dome screen is disposed...
7425073 Method and apparatus for conserving power in a laser projection display  
A method and apparatus are provided to controllably reduce power of a laser projection display (LPD). Light is scanned from a laser onto a viewing surface to produce an image thereon, and power...
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 ...
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...
7399090 Projector  
A projector includes a main body, a lens unit and a lens cover. The main body includes a housing and a groove formed on a bottom face of the housing. The lens unit is provided to the main body. The...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
7370978 Encrypting data  
Embodiments disclose encrypting data used to adjust reflectivity of the screen.