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. 01, 2014
Filed:
Dec. 30, 2009
Applicant:
Stefan Sahl, Solna, SE;
Inventor:
Stefan Sahl, Solna, SE;
Assignee:
Optis Cellular Technology, LLC, Plano, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/26 (2006.01); H04B 15/00 (2006.01); H04B 1/18 (2006.01); H03J 7/04 (2006.01); H03G 3/30 (2006.01);
U.S. Cl.
CPC ...
H03G 3/3052 (2013.01); H03J 7/04 (2013.01);
Abstract
The present invention relates to automatic gain control methods and apparatus for controlling a signal level of a signal at a predetermined location in a signal path of a receiver chain. An automatic gain controller comprises a local signal modifier device for selecting based on an error signal and an oscillator signal from a plurality of alternative oscillator signals, and for providing the selected oscillator signal to a signal mixer located in the receiver chain upstream of said predetermined location for frequency translation of an input signal to said signal mixer.