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.

Date of Patent:
Dec. 14, 1999

Filed:

Jan. 27, 1998
Applicant:
Inventor:

Shinji Saito, Kasugai, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
327115 ; 327117 ; 377 47 ;
Abstract

A PLL circuit having a variable frequency divider circuit includes a timing circuit which ensures that data provided to a comparison counter circuit is stable before initiating a counting operation, which prevents the counter circuit from generating erroneous data.


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