Optics: image projectors inventions

20090279053 - Apparatus for continuously projecting images and method therefor: A method for continuously projecting images by enabling an apparatus including a light source, an image creation unit, and a projection unit includes receiving video signals from a predetermined source; creating a plurality of images from the video signals while being impinged by light emitted by the light source; receiving... Agent: Hdls Patent & Trademark Services

20090279054 - Projector and maintenance system for ballast thereof: A maintenance system for a ballast is applied to a projector. The projector includes a housing. The maintenance system for the ballast includes an input/output interface and a ballast. The input/output interface is disposed on the housing, and has a first transmitting terminal, a first receiving terminal and an input/output... Agent: Bacon & Thomas, PLLC

20090279055 - Projection display device: A projection display device has an imager that modulates light from a light source in accordance with an image signal, a projection optical system that enlarges and projects the light modulated by the imager onto a projection plane, a focus adjustment part disposed in the projection optical system, and a... Agent: Mots Law, PLLC

20090279056 - Lamp changing system for an image projection lighting device: An image projection lighting device including a base housing, a yoke, a lamp housing, and a video projector located inside the lamp housing, is disclosed. The video projector includes a video projector housing. The video projector housing can be moved into a first position and a second position in relation... Agent: Mr. Walter J. Tencza Jr.

20090273759 - Projection image display apparatus: A projection image display apparatus includes: an image light generator; a projection optics including a reflection mirror; and a polarization adjusting device adjusting image light to light polarized in a direction substantially orthogonal to a vertical plane along with a traveling direction of the image light reflected by the reflection... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090273760 - Illumination apparatus, projector, and illumination method: A projector includes an illumination optical system, a light modulation element, and a projection optical system. The illumination optical system includes a first light source section, a plurality of second light source sections, and an optical axis conversion element. The optical axis conversion element emits the light beam, which is... Agent: Oliff & Berridge, PLC

20090273761 - Cooling system for display device: Systems and methods for a cooling system of a display device are provided herein. One exemplary image display device includes a light source and an image-generation device for receiving light from the light source and generating an image. The image display device also includes a projection lens for projecting the... Agent: Alleman Hall Mccoy Russell & Tuttle LLP

20090273762 - Simplified planetarium apparatus and simplified image projecting apparatus: Light emitted from a light source passes through a stellar base plate, a fixed aperture, and a wide-angled projection lens via a condenser lens and projects a starry sky on a screen. The stellar base plate is a light-shielding disk having a number of through holes which correspond to positions... Agent: Venable LLP

20090273763 - Color wheel: A light fixture having at least one light source for generating a beam of light, a plurality of color filters are rotatable into position to intercept the light beam. The color filters are fixed to the color wheel by a central spring which has a number of radial protruding tongues... Agent: Roberts Mlotkowski Safran & Cole, P.C. Intellectual Property Department

20090273764 - System and method for power control for information handling system peripherals: An information handling system powers a projector through a communication interface, such as a USB interface, by selectively enabling first or second power levels through the communication interface. Initially, the communication interface provides a first minimal power level to run a controller on the projector. The controller communicates with the... Agent: Hamilton & Terrile, LLP

20090262306 - System and method for integration of a projector and information handling system in a common chassis: A projector integrates in a portable information handling system housing with a light modulator of the projector receiving display information directly from a graphics processor of the information handling system, thus eliminating the need for a display controller to control formation of a visual image at the light modulator. The... Agent: Hamilton & Terrile, LLP

20090262308 - Light source unit and projector: In a projector which includes a light source unit 63, a light smoothing unit, a display device, a projection side optical system and a projector control unit, the light source unit 63 includes a light generating device for generating light of a specified wavelength band which includes a first light... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090262307 - System and method for uniform light generation: A system and method for uniform light generation in projection display systems. An illumination source comprises a light source to produce colored light, and a scrolling optics unit optically coupled to the light source, the scrolling optics unit configured to create lines of colored light from the colored light, and... Agent: Texas Instruments Incorporated

20090262309 - Projection type video display apparatus: A projection type video display apparatus has a lighting system, which comprises a multiplicity of light sources (11, 12) for emitting substantially parallel beams of light, a half-mirror (13), and a total-reflection mirror (14). The half mirror and the total-reflection mirror are arranged to transmit and/or reflect these beams to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090262310 - Picture correction systems and methods: A picture correction systems and a method are provided. The system includes a circular variable resistance unit and a control unit. The circular variable resistance unit includes at least two circular resistance coils and a control stick. One of the circular resistance coils receives a voltage. The control stick is... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090262311 - Projector with reduced size and higher contrast: A projector with reduced size and higher contrast includes a prism assembly, a light system, and a Digital Micro-mirror Device (DMD). Only In the “ON” state of DMD, the light from the light system reflects to a projection screen through the prism assembly and the DMD. The prism assembly includes... Agent: North America Intellectual Property Corporation

20090262312 - Projection system and optical shutter: An exemplary projection system includes a light source, a color wheel, an optical channel, a lens set, an image generator, and a projection lens all located along an optical pathway of the projection system. The projection system further includes an optical shutter. The optical shutter includes a shutter element and... Agent: PCe Industry, Inc. Att. Steven Reiss

20090262313 - lamp module with ac burner for projectors: There is disclosed a lamp module, in particular for projectors for data or video projection, having at least one AC burner that is designed for AC operation, is inserted into a reflector and has a discharge vessel with two burner shafts, arranged diametrically relative to one another that carry a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090262314 - Laser projector: Disclosed in a laser projector to display an image by projecting a laser beam from a laser light source to a projection screen including an electromagnetic driven scan mirror to scan the laser beam from the laser light source, a detection unit to detect a back EMF which is generated... Agent: Crowell & Moring LLP Intellectual Property Group

20090262315 - Projector and module of integration rod: A module of integration rod can be assembled on an optical engine base of a projector. The module of integration rod includes a holder, an integration rod, a cover, at least one elastic element, at least one fastening screw, and at least one adjusting screw. The holder has an accommodating... Agent: Jianq Chyun Intellectual Property Office