Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1980-07-16
1982-08-31
Eisenzopf, Reinhard J.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
70278, 180287, 307 10AT, 340542, 34082532, H01H 4734
Patent
active
043475450
ABSTRACT:
A burglarproofing device for vehicles is provided wherein a key contains two partial codes. Device on the vehicle compares at least one of the two partial codes with a stored code. Coincidence of the codes will unlock a central locking device. A partial code may be changed by the authorized owner, although the vehicle is locked.
REFERENCES:
patent: 4207555 (1980-06-01), Trombly
Fournell Hans-Dieter
Weishaupt Walter
Bayerische Motoren Werke A.G.
Eisenzopf Reinhard J.
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