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.

Date of Patent:
Sep. 07, 1976

Filed:

Dec. 11, 1974
Applicant:
Inventor:

Udo Schillhof, Hamburg, DT;

Assignee:

U.S. Philips Corporation, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ; H03K / ;
U.S. Cl.
CPC ...
3072 / ; 307216 ; 307218 ; 307246 ; 334 18 ;
Abstract

A search tuning circuit for two search directions which includes a starting signal memory having a starting signal input. A search direction signal memory having first and second operating signal inputs is coupled to the starting signal input of the starting signal memory and to first and second search direction signal inputs of the search direction signal memory. The circuit is responsive to an operating signal at an operating signal input to write a search direction signal for a certain search direction at a starting in the corresponding memories. This circuit further include a gating circuit which in the event of simultaneous operating signals at the first and second operating signal inputs a starting signal will occur only at the starting signal input of the starting signal memory without a search direction signal being generated.


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Schillhof, Udo. (1976). Station finder circuit for two directions (U.S. Patent No. 3979609). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3979609

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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