Featured patents

Projection Optical System
US 08777421 B2, July 15, 2014, Plural, Atsushi Takaura et al. / Ricoh Company, Ltd. (Tokyo, JP)
A projection optical system comprising:…

Illumination Unit Having at Least Two Solid State Light Sources in the Same Wavelength Band
US 08764199 B2, July 1, 2014, Plural, Koji Miura / Sony Corporation (Tokyo, JP)
An illumination unit 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:…

Lighting Device With Plural Light Sources Illuminating Distinct Regions of Integrator
US 08573779 B2, Nov. 5, 2013, Prism, Hiroshi Kitano et al. / Panasonic Corporation (Kadoma-shi, JP)
A lighting device comprising:…

Projector
US 08567962 B2, Oct. 29, 2013, Lens position adjustable, Shinichi Wakabayashi / Seiko Epson Corporation (Tokyo, JP)
A projector, comprising:…

Projector Light Source Device Having Projections Regulating Cooling Airflow
US 08540377 B2, Sept. 24, 2013, Plural, Takuji Kawai / Seiko Epson Corporation (Tokyo, JP)
A light source device, comprising:…

Substrate Connection Structure and Projector
US 08517544 B2, Aug. 27, 2013, Miscellaneous, Yasushi Maruyama et al. / Seiko Epson Corporation (Tokyo, JP)
A substrate connection structure between a plurality of light modulating devices…

Projector
US 08474988 B2, July 2, 2013, Housing, Chao Wang et al. / SANYO Electric Co., Ltd. (Moriguchi-shi, Osaka, JP)
A projector to which a ceiling suspension attachment is fixed, wherein…

Lamp Power Pulse Modulation in Color Sequential Projection Displays
US RE044279 E1, June 11, 2013, Lamp Control, Henry Frazier Pruett et al. / Seiko Epson Corporation (Tokyo, JP)
In a method for color balancing a display generated by a frame sequential color…

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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