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:
Dec. 07, 2010
Filed:
Apr. 13, 2009
Applicant:
Tomonobu Kurihara, Kawasaki, JP;
Inventor:
Tomonobu Kurihara, Kawasaki, JP;
Assignee:
Renesas Electronics Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A start signal detection circuit includes a wave-detection circuitoutputting a voltage in accordance with an envelope of a radio signal from an output point B, a reference voltage generation circuitoutputting a voltage at the output point B at a non-signal state as a reference voltage to a reference point C, and a differential amplification circuitamplifying and outputting a voltage difference between the output point B and the reference point C.