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:
Jul. 20, 1976

Filed:

Jan. 13, 1975
Applicant:
Inventors:

Charles A Walton, Los Gatos, CA (US);

Robert D Kohler, Santa Clara, CA (US);

David P Sidlauskas, San Jose, CA (US);

Assignee:

Schlage Electronics, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ; G01S / ; G06K / ;
U.S. Cl.
CPC ...
235 / ; 343 / ; 235 / ;
Abstract

An electronic recognition and identification system for recognizing and identifying any one of a family of electrically-coded external objects. The system comprises internal electronics including a pulse widening circuit which enables the system to be responsive to each of the codes of the family of external objects.


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Walton, Charles. (1976). Electronic recognition and identification system for identifying a (U.S. Patent No. 3970824). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3970824

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

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