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:
Apr. 21, 2015
Filed:
Jun. 21, 2012
Applicant:
Stephen Cahill, Felton, CA (US);
Inventor:
Stephen Cahill, Felton, CA (US);
Assignee:
Plantronics, Inc., Santa Cruz, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 17/00 (2006.01); G01S 11/06 (2006.01); H04W 64/00 (2009.01);
U.S. Cl.
CPC ...
G01S 11/06 (2013.01); H04B 17/27 (2013.01); H04B 17/318 (2013.01); H04B 17/336 (2013.01); H04W 64/00 (2013.01);
Abstract
Methods and apparatuses for radio proximity detection are disclosed. In one example, a method for determining a proximity of a mobile radio includes determining an initial range of a mobile radio in relation to a base radio, and processing the initial range determination to determine whether to make a refined range determination utilizing signal measurements from both a base radio first antenna and a base radio second antenna.