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:
Jun. 14, 2011
Filed:
Nov. 12, 2009
Applicants:
Shinji Miyata, Kasugai, JP;
Masahiro Tanaka, Kasugai, JP;
Inventors:
Shinji Miyata, Kasugai, JP;
Masahiro Tanaka, Kasugai, JP;
Assignee:
Fujitsu Semiconductor Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/06 (2006.01); H03B 5/36 (2006.01); H03L 3/00 (2006.01); H03L 7/06 (2006.01); H03L 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phase locked loop circuit includes an oscillator part configured to generate a reference signal by amplifying a signal generated by an oscillator, and a phase locked loop part configured to include a filter that outputs a control signal to a clock transmitting circuit that generates a clock signal in accordance with a phase difference between the reference signal and a feedback signal, wherein a drive capability of the oscillator part is controlled in accordance with the control signal.