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:
Jun. 02, 1981
Filed:
Sep. 12, 1978
Applicant:
Inventor:
Theodorus H van Deursen, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; H03J / ;
U.S. Cl.
CPC ...
455182 ; 455183 ; 455192 ; 455260 ;
Abstract
In a receiver having a frequency synthesizing circuit, the deviation of the tuning of the intermediate-frequency section relative to a standard tuning is periodically measured by means of a measuring circuit, which circuit then causes a change in the frequency of a local oscillator for correcting said deviation.
van Deursen, Theodorus. (1981). Receiver having a frequency synthesizing circuit (U.S. Patent No. 4271530). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4271530
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile