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Browse by Category: Main > Communications
Class Information
Number: 340/5.65
Name: Communications: electrical > Selective > Intelligence comparison for controlling > Authorization control (e.g., entry into an area) > Coded record input (e.g., ic card or key) > Electronic coded record
Description: Subject matter comprising details of electronic circuitry or data processing means of a card or key.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
5870018 Automotive radio anti-theft device via multiplex bus Feb. 9, 1999
5861816 Vehicle anti-theft device Jan. 19, 1999
5838251 Method and device for programming operating data into vehicle components Nov. 17, 1998
5838793 Controlling movement of owned parts Nov. 17, 1998
5836010 Personal computer using chip-in card to prevent unauthorized use Nov. 10, 1998
5815084 Programmer for contact readable electronic control system and programming method therefor Sep. 29, 1998
5701828 Electronic security system Dec. 30, 1997
5694335 Secure personal applications network Dec. 2, 1997
5677682 Electronic lock system Oct. 14, 1997
5675490 Immobilizer for preventing unauthorized starting of a motor vehicle and method for operating the same Oct. 7, 1997
5617082 Electronic access control device utilizing a single microcomputer integrated circuit Apr. 1, 1997
5600723 Cryptographically secure electric fuel pump system Feb. 4, 1997
5585787 Programmable credit card Dec. 17, 1996
5552777 Mechanical/electronic lock and key Sep. 3, 1996
5548163 Device for securing car audio equipment Aug. 20, 1996
5541581 Electronic combination lock security system Jul. 30, 1996
5540069 Electronic and mechanical lock and key therefor Jul. 30, 1996
5537103 Programmer for contact readable electronic control system and programming method therefor Jul. 16, 1996
5534857 Method and system for secure, decentralized personalization of smart cards Jul. 9, 1996
5534856 Vehicle identification and verification system Jul. 9, 1996
5526662 Cashless key and receptacle system Jun. 18, 1996
5512887 Personal identification, access control and monitoring system Apr. 30, 1996
5512738 Coded seal Apr. 30, 1996
5508691 Self-contained electronic lock with changeable master and slave codes Apr. 16, 1996
5507162 Eurocylinder-type assembly for electronic lock and key system Apr. 16, 1996
5469727 Electronic lock cylinder Nov. 28, 1995
5453736 Door operating system with programmed control unit Sep. 26, 1995
5451935 Electronic arrangement for the initiation of an action by means of a key element Sep. 19, 1995
5446265 Personal identification, access control and monitoring system Aug. 29, 1995
5440177 Integrated auto-theft prevention system Aug. 8, 1995
5422632 Electronic security system Jun. 6, 1995
5373718 Electronic lock cylinder connectable by a plug connector Dec. 20, 1994
5371692 Activating circuit for modifying or adding a new program to an electronic device Dec. 6, 1994
5367295 Conventional mechanical lock cylinders and keys with electronic access control feature Nov. 22, 1994
5359322 Method and apparatus for interconnected electronic locks Oct. 25, 1994
5349345 Electronic lock Sep. 20, 1994
5347267 Electronic lock reset system and method Sep. 13, 1994
5337588 Electronic lock and key system Aug. 16, 1994
5321395 System providing verified information exchange between an electronic record carrier and a read/write unit Jun. 14, 1994
5321242 Apparatus and method for controlled access to a secured location Jun. 14, 1994
5311757 Flat key with circuit chip May. 17, 1994
5287098 Fail safe system for a mechanical lock and key set with electrical interlock Feb. 15, 1994
5285200 Portable electronic device and a method for processing data therefore Feb. 8, 1994
5280282 Remote control system Jan. 18, 1994
5254842 System for preventing unauthorized operation of an automotive vehicle Oct. 19, 1993
5229648 Multi element security system Jul. 20, 1993
5216633 Nonvolatile semiconductor memory device including access code circuitry Jun. 1, 1993
5206905 Password protected device using incorrect passwords as seed values for pseudo-random number generator for outputting random data to thwart unauthorized accesses Apr. 27, 1993
5204663 Smart card access control system Apr. 20, 1993
5204672 Keyless entry system Apr. 20, 1993

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