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:
Feb. 08, 2011
Filed:
Aug. 20, 2003
Applicants:
Hisashi Nakamura, Hyogo, JP;
Tomohiko Fujii, Osaka, JP;
Inventors:
Hisashi Nakamura, Hyogo, JP;
Tomohiko Fujii, Osaka, JP;
Assignee:
Sanyo Electric Co., Ltd., Moriguchi-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G06F 3/038 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a liquid crystal projector comprising operation means for operating a liquid crystal projector; means for previously registering a password; means for entering, in a case where the password is registered, a password when the power to the liquid crystal projector is turned on; and means for comparing the entered password with the registered password and making it possible to operate the liquid crystal projector by the operation means only when both the passwords coincide with each other.