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:
Jul. 06, 1993
Filed:
Sep. 16, 1991
Applicant:
Inventors:
Peter Y Zhou, Ronkonkoma, NY (US);
Dexing Pang, Levittown, NY (US);
Assignee:
Knogo Corporation, Hauppauge, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ; H01F / ;
U.S. Cl.
CPC ...
340551 ; 335284 ; 340572 ;
Abstract
Magnetically desensitized targets or sensor elements on protected articles are resensitized by means of rotating permanent magnets which are moved relative to the magnetized target desensitizer elements such that the elements become subjected to reversing magnetic fields of gradually decreasing intensity.
Zhou, Peter. (1993). Method and apparatus for sensitizing and desensitizing targets for (U.S. Patent No. 5225807). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5225807
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile