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:
Aug. 10, 2010
Filed:
Apr. 21, 2006
Naohide Wakita, Osaka, JP;
Naohide Wakita, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A portable projection display apparatus () of the present invention comprises: a projection device () including an image forming means () for forming image light and an optical lens system () which projects the image light, obtained by the image forming means, toward a projection surface (S); a swinging detecting means () for detecting a relative swinging of the projection device () with respect to the projection surface (S); and a correcting means () for correcting a projection direction of the image light with respect to the projection surface (S) in the projection device () in accordance with an output value of the swinging detecting means (), so as to cancel a movement of the image light in the projection direction that is caused by the swinging.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile