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:
Sep. 04, 2012
Filed:
Feb. 18, 2009
Shang-ping Chen, Tai-Chung, TW;
Ding-shiuan Shen, Chiayi County, TW;
Bo-jiun Chen, Taipei County, TW;
Ping-ying Wang, Hsinchu, TW;
Shang-Ping Chen, Tai-Chung, TW;
Ding-Shiuan Shen, Chiayi County, TW;
Bo-Jiun Chen, Taipei County, TW;
Ping-Ying Wang, Hsinchu, TW;
Mediatek Inc., Science-Based Industrial Park, Hsin-Chu, TW;
Abstract
A phase-locked loop circuit, including: an operating circuit for detecting a difference between a reference signal and a feedback oscillating signal to generate a detected result, and generating a first control signal according to the detected result, an auxiliary circuit for generating a second control signal that is asynchronous with the first control signal, and a controllable oscillator coupled to the operating circuit and the auxiliary circuit for generating an output oscillating signal according to the first control signal and the second control signal, wherein the feedback oscillating signal is derived from the output oscillating signal.