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:
Jan. 20, 1981
Filed:
Sep. 05, 1978
Applicant:
Inventors:
Roger E Gerard, Chelmsford, GB;
Boleslaw M Sosin, Chelmsford, GB;
Assignee:
The Marconi Company Limited, Chelmsford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L / ;
U.S. Cl.
CPC ...
331 16 ; 331 17 ; 331 25 ;
Abstract
A frequency generator provides a number of selectable predetermined spot frequencies to a high degree of accuracy in an economical manner. The output from a phase lock loop having a variable frequency divider is divided by a further variable frequency divider. The two dividers are controlled by pairs of divisor values held in a store.