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:
Nov. 06, 2012
Filed:
May. 19, 2009
Applicants:
Yoshiro Aoki, Kitamoto, JP;
Takanori Tsunashima, Fukaya, JP;
Inventors:
Yoshiro Aoki, Kitamoto, JP;
Takanori Tsunashima, Fukaya, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a waveform processing circuit including: an amplitude expansion circuit configured to expand amplitude of an analog video signal; a voltage shifting circuit configured to shift a voltage of the analog video signal; and an impedance conversion circuit having an output impedance lower than that of the voltage shifting circuit.