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. 12, 2011
Filed:
Dec. 12, 2008
Applicant:
Guruswami Sridharan, San Diego, CA (US);
Inventor:
Guruswami Sridharan, San Diego, CA (US);
Assignee:
Orca Systems, Inc., Poway, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A digital communication circuit can be implemented can be implemented in a CMOS, or other IC structure. The digital circuit can utilize negative frequency removers or image frequency removers in the digital domain. The circuit can include mixers, switches, a complex filter, a low noise amplifier and summers. The image frequency can be removed digitally.