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:
May. 19, 2015
Filed:
Dec. 03, 2012
Applicant:
Abtin Keshavarzian, Mountain View, CA (US);
Inventor:
Abtin Keshavarzian, Mountain View, CA (US);
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01); H04W 52/02 (2009.01);
U.S. Cl.
CPC ...
H04W 52/0235 (2013.01);
Abstract
A method of operating a wireless network includes sending a pattern of wakeup tones. Each of the wakeup tones has a different frequency. A sleep mode is periodically awoken from to listen for the wakeup tones. The pattern of wakeup tones is received during the listening. It is decided whether to listen for at least one second tone. The deciding is dependent upon the received pattern of wakeup tones.