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.

Date of Patent:
Nov. 11, 2008

Filed:

Jul. 07, 2005
Applicant:

Kazuyasu Fukano, Hachioji, JP;

Inventor:

Kazuyasu Fukano, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/26 (2006.01); G03B 21/18 (2006.01); G03B 21/20 (2006.01); G03B 21/00 (2006.01); H04N 5/74 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projection equipment is provided with a projection system, a memory unit for storing discrimination information which is used to judge whether or not a cooling operation of a light source lamp of the projection system has been finished in a normal manner at the time of a previous power-off operation, a key input unit for giving an instruction to execute a power-on operation, and a control unit adapted to use a timer unit for delaying a turn-on operation of the light source lamp by a predetermined time depending on the discrimination information stored in the memory unit at the time when the instruction to execute the power-on operation is given.


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