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:
Jul. 19, 2011
Filed:
Jun. 16, 2004
Kenneth Scott Walley, Portola Hills, CA (US);
Paul A. Underbrink, Lake Forest, CA (US);
Steven A. Gronemeyer, Cedar Rapids, IA (US);
Kenneth Scott Walley, Portola Hills, CA (US);
Paul A. Underbrink, Lake Forest, CA (US);
Steven A. Gronemeyer, Cedar Rapids, IA (US);
SiRF Technology, Inc., San Jose, CA (US);
Abstract
A cancellation system that delays the received signals and cancels less than all the received signals from the delayed version of the received signals and a demodulator and despreader unit produces a demodulated and de-spreader and remodulator unit produces a remodulated and respread signal from the demodulated and despread signal with a combiner that produces a combined signal from the delayed version of the received signals and the remodulated and respread signal to identify a low power signal.