Electronic lock and key system

Details Electronic lock and key system Electronic lock and key system

1990-10-11

1994-08-16

Gall, Lloyd A.

Locks

Operating mechanism

Using a powered device

70283, 70372, 70380, 70408, 70431, 76110, 264264, 26427214, 26427215, 26427217, 307 102, 34082531, 361172, E05B 4902

Patent

active

053375882

ABSTRACT:
An electronic key and lock system, particularly useful for solenoid-operated locks employs a key that can operate electronically and mechanically. The key is mechanically polarized with its blade forming a first electrical contact and a separate second contact which is flush or raised relative to the blade. Each of the key and the cylinder employs respective light emitting and light receiving IR devices for communications between the electronics in the key and communications within the lock. The lock includes a solenoid-operated electronic cylinder.

REFERENCES:
patent: Re29259 (1977-06-01), Sabsay
patent: 1059759 (1913-04-01), Preston
patent: 3688269 (1972-08-01), Miller
patent: 3806874 (1974-04-01), Ehrat
patent: 4079356 (1978-03-01), Anagnost et al.
patent: 4297863 (1981-11-01), Glock
patent: 4298792 (1981-11-01), Granholm et al.
patent: 4322719 (1982-03-01), Moorhouse
patent: 4415893 (1983-11-01), Roland et al.
patent: 4509093 (1985-04-01), Stellberger
patent: 4562712 (1986-01-01), Wolter
patent: 4593185 (1986-06-01), Patzelt et al.
patent: 4603564 (1986-08-01), Kleinhany et al.
patent: 4633687 (1987-01-01), Fane
patent: 4642734 (1987-02-01), Anderson
patent: 4663952 (1987-05-01), Gelhard
patent: 4726205 (1988-02-01), Allerdist et al.
patent: 4766746 (1988-08-01), Henderson
patent: 4789859 (1988-12-01), Clarkson et al.
patent: 4800590 (1989-01-01), Vaughan
patent: 4849749 (1989-07-01), Fukamachi et al.
patent: 4858453 (1989-08-01), Namazue
patent: 4866962 (1989-09-01), Aston et al.
patent: 4868409 (1989-09-01), Tanaka et al.
patent: 4922736 (1990-05-01), Tanaka et al.
patent: 4944908 (1990-07-01), Leveque et al.
patent: 4947662 (1990-08-01), Imedio
patent: 4964023 (1990-10-01), Nishizawa et al.
patent: 4965460 (1990-10-01), Tanaka et al.

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