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. 02, 2008
Filed:
Sep. 29, 2004
Applicants:
Brian T. Brunn, Austin, TX (US);
Jinghui LU, Austin, TX (US);
Inventors:
Brian T. Brunn, Austin, TX (US);
Jinghui Lu, Austin, TX (US);
Assignee:
Xilinx, Inc., San Jose, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/00 (2006.01); H03K 5/153 (2006.01);
U.S. Cl.
CPC ...
Abstract
A signal detection circuit includes a first signal multiplier operably coupled to square an input signal, a second signal multiplier operably coupled to square a reference signal, and a filter module operably coupled to produce a digital output representative of the input signal based on a squared input signal and a squared reference signal.