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:
Jul. 04, 2006

Filed:

Mar. 17, 2004
Applicants:

Nobutomo Tanaka, Sagamihara, JP;

Eiichi Kamino, Hiratsuka, JP;

Inventors:

Nobutomo Tanaka, Sagamihara, JP;

Eiichi Kamino, Hiratsuka, JP;

Assignee:

Marantz Japan, Inc., Kanagawa, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/28 (2006.01); G03B 3/00 (2006.01); H04N 9/12 (2006.01); H04N 9/73 (2006.01); H04N 5/74 (2006.01); G02F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projector apparatus includes digital micromirror device (DMD) Color temperature and adjustment of white balance with respect to projection light can be detected in a light condition in a convenient manner. A position of the picture formed by the projection light on the screen can be shifted. A projector apparatus includes a shutter disposed downstream of the projection optics for blocking the projection light and a sensor attached to the shutter. In a second embodiment, a projector apparatus includes a sliding structure for causing a projection optics to be slid relative to a casing constituting an apparatus body in a perpendicular relation to the optical axis of projection optics means and a follow-up structure for causing a sensor to follow the projection optics means.


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