Featured patents

Polarization Beam Splitting Element and Image Projection Apparatus
US 08807755 B2, Aug. 19, 2014, Polarizer or Interference Filter, Rie Ishimatsu / Canon Kabushiki Kaisha JP
A polarization beam splitting element configured to reflect or transmit…

US 08870391 B2, Oct. 28, 2014, Housing, Norikazu Kadotani et al. / Seiko Epson Corporation (Tokyo, JP)
A projector, comprising:…

Display System
US 08870385 B2, Oct. 28, 2014, Distortion Compensation, Nobuhiro Oka / Canon Kabushiki Kaisha (Tokyo, JP)
A display system comprising:…

Method and Apparatus for Wireless Image Transmission to a Projector
US 08740389 B2, June 3, 2014, Composite Projected Image, Marques Ronald Girardelli et al. / Seiko Epson Corporation (Tokyo, JP)
A method for transmission of an image data comprising:…

Display Apparatus and Projection Type Lighting Apparatus Therefor
US 08733953 B2, May 27, 2014, Miscellaneous, Masahiko Yatsu et al. / Hitachi Consumer Electronics Co., Ltd. (Tokyo, JP)
A display apparatus, comprising:…

Compact Image Offset Projection Lens
US 08662675 B2, March 4, 2014, Distortion Compensation, Patrick Rene Destain / Texas Instruments Incorporated (Dallas, US)
A projection lens comprising:…

Image Forming Apparatus for Projecting an Image to Guide an Individual
US 08641195 B2, Feb. 4, 2014, Projected Image Combined With Real Object, Norio Nakamura et al. / Seiko Epson Corporation JP
An image forming apparatus comprising:…

Light Source Unit Including a Laser as a Light Source and a Light Emitting Wheel With a Diffusion Layer Opposite to the Laser
US 08523367 B2, Sept. 3, 2013, Color Filter, Naotsugu Ogura / Casio Computer Co., Ltd. (Tokyo, JP)
A light source unit comprising:…

Illumination Optical System Having a Light Combining Portion That Combines Light Beams From a Plurality of Lamp Units and Projection Display Apparatus
US 08474981 B2, July 2, 2013, Reflector between lamp and screen, Hiroyuki Kodama et al. / Canon Kabushiki Kaisha (Tokyo, JP)
An illumination optical system comprising:…

Image Viewing Systems With an Integrated Screen Lens
US 08459797 B2, June 11, 2013, Stereoscopic, Huei Pei Kuo et al. / Hewlett-Packard Development Company, L.P. (Houston, US)
An image viewing system comprising:…

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