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. 14, 2006
Filed:
Jul. 23, 2002
Applicants:
Takao Kobayashi, Saku, JP;
Masaaki Shida, Hachioji, JP;
Kazuhiko Kawai, Takasaki, JP;
Inventors:
Assignees:
Renesas Technology Corp., Tokyo, JP;
Hitachi Engineering Co., Ltd., Ibaraki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 22/14 (2006.01); H04L 27/06 (2006.01); H03D 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A demodulating semiconductor integrated circuit device used in a wireless communication system of an FM-modulation scheme, wherein a circuit for canceling a frequency offset is made of a digital circuit, so as to make a high-accuracy decision as to received data and prevent error frequency offset cancel due to a pseudo pattern contained in the received data. Consequently, a high-accuracy received data decision is carried out.