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:
Jan. 28, 2014
Filed:
Aug. 26, 2009
Kiyohiro Oka, Kanagawa, JP;
Kenichiro Kuroda, Kanagawa, JP;
Kiyohiro Oka, Kanagawa, JP;
Kenichiro Kuroda, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
A projection display apparatus and an actuation control method thereof are provided. A projection display apparatus includes an apparatus body that forms an optical image projected on a screen, a projection lens that projects the optical image formed by the apparatus body on the screen, a lens actuator that allows the projection lens to be shifted in a vertical direction or in a horizontal direction relative to the apparatus body, and a shift controller that limits a range of shift movement by the lens actuator such that a center position of the projection lens does not go outside of a quadrangle region of which the intersection point of diagonals is located coaxially with the position of the optical axis of the apparatus body.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile