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.:

US 8222950 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 17, 2012

Filed:

Nov. 04, 2009
Applicant:

Ke-you HU, Shenzhen, CN;

Inventor:

Ke-You Hu, Shenzhen, CN;

Assignees:

Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 35/00 (2006.01); H03K 17/14 (2006.01); G01K 7/00 (2006.01); G05F 1/10 (2006.01); G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power supply circuit includes a PWM controller, which is capable of providing pulse signals to the CPU, a temperature feedback circuit coupled to the PWM controller, and a temperature sensor. The temperature sensor is coupled to the temperature feedback circuit, the temperature sensor is located adjacent the CPU, and capable of detects a temperature of the CPU. The PWM controller is capable of adjusting the pulse signals to maintain the pulse signals stably when the temperature sensor detects the temperature of the CPU rising.


Find Patent Forward Citations

Hu, Ke-You. (2012). Temperature sensor of a cpu and pwm controller thereof (U.S. Patent No. 8222950). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8222950

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