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.:

US 9698801 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 04, 2017

Filed:

Mar. 09, 2016
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Shinnosuke Fujiwara, Kawasaki, JP;

Michiharu Hara, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 7/06 (2006.01); H03L 7/16 (2006.01); H03L 7/10 (2006.01);
U.S. Cl.
CPC ...
H03L 7/16 (2013.01); H03L 7/10 (2013.01);
Abstract

A phase locked loop circuit control device includes: a phase locked loop circuit configured to generate a clock signal; and a control unit configured to, when being instructed to change a frequency of the clock signal from a current frequency to a target frequency, control the phase locked loop circuit to make the frequency change stepwise from the current frequency to the target frequency, in which the control unit changes the frequency of the clock signal by a first change amount in a first frequency range out of the range of the current frequency to the target frequency, and changes the frequency of the clock signal by a second change amount in a second frequency range out of the range of the current frequency to the target frequency.


Find Patent Forward Citations

Fujiwara, Shinnosuke. (2017). Phase locked loop circuit control device and control method of phase locked loop circuit (U.S. Patent No. 9698801). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9698801

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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