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:
Aug. 05, 2014

Filed:

Nov. 04, 2011
Applicants:

Paul R. Johnson, San Diego, CA (US);

Gabriel A. Watkins, San Diego, CA (US);

Inventors:

Paul R. Johnson, San Diego, CA (US);

Gabriel A. Watkins, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/12 (2006.01); G06F 1/32 (2006.01); G06F 9/52 (2006.01);
U.S. Cl.
CPC ...
G06F 1/3206 (2013.01); G06F 9/52 (2013.01);
Abstract

Methods, systems and devices configured to add synchronization to the entry and exit from low power modes in asynchronous operating systems on a multiprocessor system. A synchronizing agent tracks the requested sleep and wake up times of the different asynchronous operating systems executing on different cores of the same system on chip or multicore processor. The sleep/wake up times of some cores/operating systems may be delayed in order to synchronize the sleep/wake up times of two or more of the asynchronous operating systems executing on the multiprocessor system.


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