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. 19, 2008
Filed:
Apr. 17, 2006
Tian-hau Chen, Tainan County, TW;
Tian-Hau Chen, Tainan County, TW;
Himax Technologies Limited, Tainan County, TW;
Abstract
A power switching device which is used to receive plenty of input voltage and output a switch voltage is provided. The device comprises a first switching unit, a second switching unit, and a self-bias unit. The power switching device outputs a switch voltage according to the outputs of the first switching unit and the second switching unit. The self-bias unit outputs a reference voltage to the second switching unit. The first switching unit outputs a first input voltage as the switch voltage according to a first enable signal. The second switching unit outputs a second input voltage as the switch voltage according to the reference voltage and a second enable signal.