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:
Nov. 03, 2015

Filed:

Aug. 30, 2013
Applicant:

Motorola Solutions, Inc, Schaumburg, IL (US);

Inventors:

David G Wiatrowski, Woodstock, IL (US);

Thomas B Bohn, McHenry, IL (US);

Dipendra M Chowdhary, Hoffman Estates, IL (US);

Assignee:

MOTOROLA SOLUTIONS, INC., Schaumburg, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/16 (2006.01); H04M 3/20 (2006.01); H04L 12/851 (2013.01); H04W 76/04 (2009.01); H04W 76/06 (2009.01);
U.S. Cl.
CPC ...
H04M 3/20 (2013.01); H04L 47/245 (2013.01); H04W 76/048 (2013.01); H04W 76/066 (2013.01);
Abstract

A system and method for interrupting a transmitting device during a call. In the system, calls are transmitted from a first device on a communication channel as a series of channel frames. At predetermined times during the transmission, the transmitting device is configured to drop channel frames, resulting in open channel frame periods where the transmitting device is not transmitting on the communication channel. During these open channel frame periods, the transmitting device is also configured to switch to a receiving mode. Other devices in the system are capable of switching into a transmitting mode during the open channel frame periods and, when applicable, sending an interrupt request on the communication channel to the transmitting device in order to request access to the channel.


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