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:
Dec. 21, 2004
Filed:
Apr. 05, 2002
Applicant:
Inventor:
Tomokazu Kondo, Kanagawa, JP;
Assignee:
NEC Electronics Corporation, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 5/09 ;
U.S. Cl.
CPC ...
G11B 5/09 ;
Abstract
Disclosed is a digital VFO device which comprises a plurality of VFO circuits and ; synchronous counters and installed in each VFO circuits and ; and an adjusting circuit selecting one of the VFO circuits and based on signals and representing the peak shift state of an input data output from each VFO circuits. Correcting instruction signals and are generated to correct the synchronous counter of the other VFO circuits by substituting the counter value of the synchronous counter of the VFO circuit selected by the adjusting circuit for the synchronous counter of the other VFO circuits.