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:
May. 10, 2016
Filed:
May. 13, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Shigeo Kawaoka, Tokyo, JP;
Akihiro Takamura, Kokubunji, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); H04N 5/04 (2006.01);
U.S. Cl.
CPC ...
G09G 5/006 (2013.01); H04N 5/04 (2013.01);
Abstract
An information processing apparatus for determining polarity of a vertical synchronizing signal, in an effective state, included in a video signal measures a duration in which the vertical synchronizing signal maintains the same polarity, obtains the polarity of the vertical synchronizing signal when the measured duration exceeds a predetermined duration, and determines the polarity of the vertical synchronizing signal in the effective state based on the obtained polarity.