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.

Date of Patent:
Apr. 27, 2010

Filed:

Dec. 20, 2006
Applicants:

Alan F. Graves, Kanata, CA;

Raymond Bruce Wallace, Ashton, CA;

Guy Michael Amyon Farquharson Duxbury, Nepean, CA;

Inventors:
Assignee:

Nortel Networks Limited, St-Laurent, Quebec, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A device suitable for wireless communication with a network entity. The device comprises a functional unit configured to monitor an operational state of the device and, in response to detecting that the device is in a de-powered operational state, to inform the network entity of an ability of the device to wirelessly communicate with the network entity during a future time interval while the device remains in a de-powered operational state. A second functional unit capable of wireless communication with the network entity may also be provided and may be selectably powered from either a main power source or an alternate power source such that the second functional unit is powered from the alternate power source during the future time interval and becomes unpowered from the alternate power source after the future time interval. Thus, de-powered devices can be located and communicated with more easily.


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