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:
Aug. 14, 2012
Filed:
Jun. 03, 2009
Shi-tao Chen, Shenzhen, CN;
Sheng-chung Huang, Taipei Hsien, TW;
Hsiang-jui Hung, Taipei Hsien, TW;
Da-wei Jin, Shenzhen, CN;
Lei Yang, Shenzhen, CN;
Yong-xian Zhao, Shenzhen, CN;
Shi-Tao Chen, Shenzhen, CN;
Sheng-Chung Huang, Taipei Hsien, TW;
Hsiang-Jui Hung, Taipei Hsien, TW;
Da-Wei Jin, Shenzhen, CN;
Lei Yang, Shenzhen, CN;
Yong-Xian Zhao, Shenzhen, CN;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
Abstract
A power source switching circuit includes a main source input terminal, an auxiliary source input terminal, a control circuit, a first switch, a second switch, and an output terminal. The control circuit is connected to the main source input terminal and the auxiliary source input terminal. The first switch is connected to the main source input terminal and the control circuit. The second switch is connected to the auxiliary source input terminal and the control circuit. The output terminal is connected to the first switch and the second switch. When the main source input terminal is at high level, the auxiliary source input terminal remains high level, the first switch is turned on, and the second switch is turned off by the control circuit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile