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:
Feb. 27, 1990
Filed:
Oct. 05, 1988
Applicant:
Inventors:
Charles L Dennis, Richardson, TX (US);
Edgar A Bowden, Arlington, TX (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03L / ;
U.S. Cl.
CPC ...
331-4 ; 331 25 ;
Abstract
A linear digital frequency sweep synthesizer employs an up-down counter for producing a first signal having a plurality of pulses with time interval between pulses linearly increasing with time and a phase lock loop for producing a second signal having a plurality of pulses having a frequency sweep linearized to the linearly increasing time intervals of such first signal.