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:
Oct. 30, 2007
Filed:
Feb. 08, 2006
Applicants:
Kazuhiko Yoshizawa, Yokohama, JP;
Nobuaki Kabuto, Kunitachi, JP;
Atsushi Yoshioka, Ebina, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A video processing device includes a control circuit for detecting a physical quantity related to a size of noise contained in the input video signal, and an OSD (On Screen Display) circuit for providing a user with a warning screen when the physical quantity detected by the control circuit is larger than a prescribed value, obtaining an appropriate video signal even when a digital video signal has poor quality.