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:
Sep. 30, 1980
Filed:
Jun. 15, 1978
Applicant:
Inventors:
Mitsuo Sekine, Tokorozawa, JP;
Sizuo Yamaguchi, Yama, JP;
Assignee:
Citizen Watch Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
328 63 ; 328 48 ; 368200 ;
Abstract
A frequency adjusting circuit for digitally adjusting the frequency of a time reference signal consisting of a series of pulses is disclosed. The circuit function to adjust the frequency of said series of pulses by subtracting or adding a given number of pulses from or to said series of pulses for a time set beforehand every time upon receipt of a predetermined number of pulses of said time reference signal.