The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 23, 2010
Filed:
Feb. 25, 2005
Tsunemori Asahi, Hotaka-machi, JP;
Junichi Nakamura, Shiojiri, JP;
Shoichi Uchiyama, Suwa-gun, JP;
Takashi Nitta, Chino, JP;
Tsunemori Asahi, Hotaka-machi, JP;
Junichi Nakamura, Shiojiri, JP;
Shoichi Uchiyama, Suwa-gun, JP;
Takashi Nitta, Chino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
In a projection-type display device, a display control devicethat controls a first DMDand a second DMDis composed by comprising an interface circuit, a mirror device drive circuitfor controlling the driving of the micromirrors of second DMD, a mirror device drive circuitfor controlling the driving of the micromirrors of second DMD, a CPUthat controls computations and the entire system based on a control program, a ROMthat contains the control program of CPUand so forth in a predefined area, and a RAMfor containing data read from ROMand so forth and computation results required for the computation process of CPU