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:
Jul. 26, 2011
Filed:
Mar. 18, 2008
Applicants:
Tsuyoshi Ebuchi, Osaka, JP;
Yoshihide Komatsu, Osaka, JP;
Michiyo Yamamoto, Osaka, JP;
Inventors:
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A calibration circuit () adjusts at least one of one of a charging current of a charge pump circuit () and a capacitance value of a filter capacitor in a loop filter circuit () and a gain of a voltage controlled oscillator (), depending on a frequency of a reference clock signal input to a calibration circuit ().
Ebuchi, Tsuyoshi. (2011). Spread spectrum control pll circuit and its start-up method (U.S. Patent No. 7986175). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7986175
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile