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:
Sep. 20, 2011
Filed:
Jun. 10, 2009
Applicants:
Daisuke Yamazaki, Kawasaki, JP;
Andrzej Radecki, Tokyo, JP;
Inventors:
Daisuke Yamazaki, Kawasaki, JP;
Andrzej Radecki, Tokyo, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D 1/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A demodulation circuit, including: an input terminal (IN) inputting a current amplitude modulated signal; a first transistor () connected to the input terminal; a capacitance () connected to a control terminal of the first transistor; a diode () connected between the input terminal and the control terminal of the first transistor; and a first current source () applying a current of the input terminal, is provided.