Wireless remote control high security system permitting the open

Details Wireless remote control high security system permitting the open Wireless remote control high security system permitting the open

1988-09-30

1992-04-21

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082534, 361172, 70278, 235382, F05B 4900, G06K 500, H01H 4700, G06F 704

Patent

active

051072580

ABSTRACT:
A wireless remote control high security system permits the opening or theft-proof closing of relay actuating systems such as locks. The system comprises an assembly of remote control security keys and locks in which the key has the sole function of emission and the lock the sole function of reception in connection with the function of absolute security of opening or closing locks.

REFERENCES:
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patent: 4471216 (1984-09-01), Herve
patent: 4509093 (1985-04-01), Stellberger
patent: 4535333 (1985-08-01), Twardowski
patent: 4573046 (1986-02-01), Pinnow
patent: 4596985 (1986-06-01), Bongard et al.
patent: 4665397 (1987-05-01), Pinnow
patent: 4686529 (1987-08-01), Kleefeldt
patent: 4723121 (1988-02-01), van den Boom et al.
patent: 4755815 (1988-07-01), Savoyet et al.
patent: 4812841 (1989-03-01), Chen

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