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. 04, 2009
Filed:
Jun. 25, 2007
Applicants:
Cheng-hsuan Fan, Hsinchu, TW;
Chao-hsuan Chuang, Chupei, TW;
Hung-che Chou, Jiadong Township, Pingtung County, TW;
Ching-hsiang Yang, Taoyuan, TW;
Chih-ping Tan, Hsinchu, TW;
Inventors:
Cheng-Hsuan Fan, Hsinchu, TW;
Chao-Hsuan Chuang, Chupei, TW;
Hung-Che Chou, Jiadong Township, Pingtung County, TW;
Ching-Hsiang Yang, Taoyuan, TW;
Chih-Ping Tan, Hsinchu, TW;
Assignee:
Richtek Technology Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A frequency jittering control circuit wherein by means of the characteristics of a PLL whose input switches between different frequencies, the output frequency of the PLL swings between the different frequencies to achieve the desired frequency jittering.