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:
Feb. 15, 2005
Filed:
May. 19, 2003
Applicants:
Chun-yi Chou, Hsinchu, TW;
Chao-chia Tsai, Changhua, TW;
Wing-kai Tang, Hsinchu, TW;
Inventors:
Assignee:
Novatek Microelectronics Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F001/656 ; G05F001/613 ;
U.S. Cl.
CPC ...
Abstract
A direct voltage/direct voltage converter comprising a switch-shaping circuit, a voltage-sensing device and a control device is provided. The direct voltage/direct voltage converter has several running modes. Through the control device, one of the running modes is selected to serve as a current operating mode. According to the current operating mode, the control device issues a switching signal for turning the switch-shaping circuit on or off.