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:
Aug. 09, 2011
Filed:
Jan. 28, 2005
Applicants:
Visvamohan Yegnashankaran, Redwood City, CA (US);
Ahmad Bahai, Lafayette, CA (US);
Inventors:
Visvamohan Yegnashankaran, Redwood City, CA (US);
Ahmad Bahai, Lafayette, CA (US);
Assignee:
National Semiconductor Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/00 (2006.01); H04W 24/00 (2009.01);
U.S. Cl.
CPC ...
Abstract
A cellular telephone handset utilizes an electrically-steered directional antenna to increase the received signal strength when the handset is in a poor signal environment. As a result, the handset reduces the need for an end user to tilt and twirl their head to try and find the direction of the strongest signal strength.