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. 29, 2003

Filed:

Nov. 23, 1999
Applicant:
Inventor:

Jae Hong Ha, Seoul, KR;

Assignee:

Irevo, Inc., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 1/900 ;
U.S. Cl.
CPC ...
G05B 1/900 ;
Abstract

The inventive electronic information key system comprises at least one electronic information key and a locking device unlocked with the electronic information key. The electronic information key includes: an ID code storage having a plurality of memory areas, each storing different ID codes; a body, resin-treated, for installing the ID code storage; and a contact, mounted on the body and electrically connected to the ID code storage. The locking device includes: a key holder for electrically contacting the contact of the electronic information key; a registered ID code storage for storing values corresponding to the ID codes stored in any one of the plurality of memory areas of the ID code storage of the electronic information key; a controller for comparing the ID codes stored in an area of the ID code storage with the ID codes stored in the registered ID code storage to thereby verify whether the electronic information key is duly operating, when the contact electrically contacts the key holder.


Find Patent Forward Citations

Ha, Jae. (2003). Electronic information key system (U.S. Patent No. 6600406). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6600406

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

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