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:
Jun. 15, 2004
Filed:
Mar. 29, 2000
Applicant:
Inventor:
John Barrett George, Carmel, IN (US);
Assignee:
Thomson Licensing S.A., Boulogne, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 3/22 ; H04N 3/223 ; H04N 3/26 ;
U.S. Cl.
CPC ...
H04N 3/22 ; H04N 3/223 ; H04N 3/26 ;
Abstract
A method for determining raster positioning in a video projection display apparatus comprises the steps of detecting illumination by a first edge of a measurement image moving in a first direction. Detecting illumination by a second edge of the measurement image moving in a second direction, and averaging movement values related to the first and second edge illuminations of the detecting steps.