[특허]Method and circuit arrangement for the electronically controlled release of door, safe and function locks using electron

[미국특허] Method and circuit arrangement for the electronically controlled release of door, safe and function locks using electron 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05B-049/00 H04Q-009/00
출원번호	US-0941216 (1978-09-11)
우선권정보	DE-2635180 (1976-08-05)
발명자 / 주소	Donath Norbert W. (Munich DEX) Donath Bernhard K. (Munich DEX)
출원인 / 주소	Wachtler Maximilian (Sierksdorf DEX 05)
인용정보	피인용 횟수 : 45 인용 특허 : 2

초록 ▼

A safety system comprising closure means, hereinafter termed locks, and associated closure release means, hereinafter termed keys, which operate electronically and which grant access. The lock release is dependent on the agreement or coincidence of a variable lock/key code pair. Random codes are employed which are altered either automatically each time a lock is actuated or only as required. A plurality of locks can be actuated by a common key which possesses another variable code for each lock. In addition, a plurality of keys can actuate a common lock which possesses another variable code for every key. Both possibilities can be combined, since every key and every lock possesses another associated code pair whose association is automatically produced when a lock is actuated. By means of a central key which is safeguarded in the same manner, the user can produce and vary any desired lock/key association so as to eliminate misuse. All keys and locks operate independently of one another and do not require any coordination center. Lost keys can be made immediately from standardized keys with the aid of the central key, the lost key being automatically blocked or eliminated. Moreover, the central key permits the user to correct malfunctions of the key or lock fits. Disturbances or malfunctions of the system or the loss of the central key are not critical, since in such a case an emergency code known only to the manufacturer or an authorized safety official can be read into the affected locks either automatically or manually triggered. Since no key contains the emergency code and since this can be different for every lock, there is no restriction of safety. Auxiliary measures are included which prevent the respective key code from unfortunately being read out of the apparatus. The different users can also be automatically identified or, if desired, registered automatically with the aid of the employed code association. This also prevents misuse. Time-outs and similar safeguards can also be included in the system.

대표청구항 ▼

An electronic security system comprising: at least one key having at least one binary code stored in memory cells therein; a central key having at least one binary code stored in memory cells therein and also additional information indicative of its character as a central key; and at least one electronic lock for use with said keys and comprising: a locking means actuatable to unlocked condition; a lock memory having at least two binary codes stored in memory cells therein; a comparator for comparing a code in said key memory and a code in said lock memory when the key is presented to the lock and for providing a signal indicative of coincidence or non-coincidence between said codes, said comparator including an inhibitor stage actuatable by a proper central key; a random generator operable in response to the signal indicative of coincidence from said comparator to provide new coincident codes for said key memories and said lock memory and subsequently to actuate said locking means; said comparator being further operable upon coupling said central key with said lock to enable said random generator after the central key is identified as a proper central key within a predetermined interval of time to provide a signal indicative of coincidence to be actuatable to provide new codes to said key and/or to said lock, when a subsequent key is coupled with said lock, whereby said lock and a key provided with an original non-coincident code can be provided with a new coincident code, whereas a key provided with an original coincident code is rendered non-coincident and unusable by one-sided feeding of the new codes or by erasing the present codes in the key or in the lock.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

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Clark Carey S. (3629 35th Ave. West Seattle WA 98199) Winch Gordon B. (Seattle WA), Electronic lock system.
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Yu, Jessica S., Keyed memory device to record input user signals and output recorded user signals.
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Dawson Gerald Lee ; Thompson Daniel Lee ; Hamilton James D., Keypad entry electronic combination lock with self-generated combination.
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Boesel, Lucas J.; Grimmer, Larry R., Lock apparatus and method.
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Boesel, Lucas J.; Grimmer, Larry R., Lock apparatus and method.
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Johnson Michael F. (London GB2) Roberts Lyn M. (London GB2) Cooper David E. (Surrey GB2), Lock system and lock having two electronic control systems.
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Gokcebay Asil T. ; Keskin Yucel K., Mechanical/electronic lock and key therefor.
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Treharne William David ; Moore Ronald Gerard, Method and apparatus for programming a spare key into a security system.
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Pavlov Leonidas P. (Colorado Springs CO) Aba-Jbara Nabil M. (Colorado Springs CO), Unitary, self-contained card verification and validation system and method.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method and circuit arrangement for the electronically controlled release of door, safe and function locks using electron 원문보기