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:
Oct. 06, 2015
Filed:
Nov. 30, 2012
Apple Inc., Cupertino, CA (US);
Paul J. Costa, Sunnyvale, CA (US);
David R. Cox, Los Gatos, CA (US);
Bharat K. Patel, San Jose, CA (US);
Nicholas W. Ruhter, San Francisco, CA (US);
Xiaoyang Zhang, Fremont, CA (US);
Steve X. Zhou, San Jose, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A method and system for reducing acoustic power supply noise, specifically acoustic noise related to power supply switching frequencies in a computing device, is disclosed. In one embodiment, a controller can monitor power consumed by the computing device, and an operational state of the computing device can be determined. If the computing device is in a first operational state and the power consumed is greater than a threshold amount, then the power supply can be operated at a first switching frequency or mode of operation, thereby avoiding switching frequencies that can produce acoustic noise.