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:
Oct. 20, 1981
Filed:
May. 14, 1979
Applicant:
Inventor:
Hiroshi Minakuchi, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L / ; H03K / ;
U.S. Cl.
CPC ...
3403 / ; 3403 / ; 3403 / ; 235 / ; 235 / ; 328 14 ; 331 / ;
Abstract
A digital frequency synthesizer comprises a programmable frequency divider, an analog-to-digital converter for converting an analog program control signal into a digital signal, and a digital storage medium for storing the digital signal to control the frequency division ratio of the programmable frequency divider in accordance with the digital value of the stored signal.