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:
Sep. 07, 2010
Filed:
Jul. 16, 2004
Applicants:
Janus Sing Yau, Ottawa, CA;
Padakandla Krishna Rao, Kanata, CA;
Inventors:
Janus Sing Yau, Ottawa, CA;
Padakandla Krishna Rao, Kanata, CA;
Assignee:
Research In Motion Limited, Waterloo, Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems and methods are provided for controlling transmit channel utilization in systems providing walkie-talkie-like communications to wireless devices. Parameters such as a maximum talk time and back off time are provided to each wireless device to control how long they can continuously occupy the talk channel, and to control how soon after releasing the talk channel they can again access the talk channel.