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. 06, 2013
Filed:
Jun. 28, 2011
Applicants:
Ping-ying Wang, Hsinchu, TW;
Hsiang-hui Chang, Taipei Hsien, TW;
Inventors:
Ping-Ying Wang, Hsinchu, TW;
Hsiang-Hui Chang, Taipei Hsien, TW;
Assignee:
Mediatek Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/085 (2006.01); H03C 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An oscillating circuit including a digital sigma-delta modulator and a controlled oscillator is disclosed. The digital sigma-delta modulator receives a fractional bit signal to generate a control signal. The controlled oscillator includes a varactor dynamically coupled to receive the control signal.