Featured patents

Selectable Throw Ratio Image Projection Device
US 08820944 B2, Sept. 2, 2014, Plural, Jose S. Vasquez / Texas Instruments Incorporated (Dallas, US)
An image projection device, comprising:…

Projection Type Display Apparatus for Displaying an Image
US 08783877 B2, July 22, 2014, Light Shield, Mask, Hood, or Diaphragm, Nobuyuki Kimura / Hitachi Consumer Electronics Co., Ltd. (Tokyo, JP)
A projection type display apparatus, comprising:…

Projection System Having Rotationally Asymmetrical Illumination Unit for Emitting Light Along Optic Axis
US 08764198 B2, July 1, 2014, Polarizer or Interference Filter, Chun-Min Chen et al. / Himax Display, Inc. (Tainan, TW)
A projection system comprising:…

Light Source System for Projection Device and Projection Device Comprising the Same
US 08714748 B2, May 6, 2014, Unitary Plural Refracting Surfaces, Hung-Ying Lin / Delta Electronics, Inc. TW
A light source system for use in a projection device, comprising:…

Semiconductor Light Source Device, Semiconductor Light Source Control Method, and Projection Apparatus
US 08684539 B2, April 1, 2014, Lamp Control, Hideo Suzuki / Casio Computer Co., Ltd. (Tokyo, JP)
A semiconductor light source device comprising:…

US 08651665 B2, Feb. 18, 2014, Polarizer or Interference Filter, Sanghun Lee et al. / LG Innotek Co., Ltd. (Seoul, KR)
A projector, the projector comprising: a light source; an illumination unit…

Dynamic Keystone Correction
US 08534844 B2, Sept. 17, 2013, Distortion Compensation, Rod D. Waltermann et al. / Lenovo (Singapore) Pte. Ltd. (Tech Park, SG
An apparatus comprising:…

Optical Unit
US 08529068 B2, Sept. 10, 2013, Multicolor picture, Satoshi Ouchi et al. / Hitachi Consumer Electronics Co., Ltd. (Tokyo, JP)
A beam light source of an image display device which displays an image…

Projection Unit Having Speckle Suppression Device Based on Piezoelectric Actuating
US 08500287 B2, Aug. 6, 2013, Unitary Plural Refracting Surfaces, Hassan Moussa / Delphi Technologies, Inc. (Troy, US)
A projection unit comprising:…

Projector Suspension Device Including a Suspension Position Adjustment Mechanism
US 08454174 B2, June 4, 2013, Housing, Nobuyuki Otsuki et al. / Seiko Epson Corporation (Tokyo, JP)
A projector suspension device for a projector including a projection optical…

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