Electronic key apparatus

Details Electronic key apparatus Electronic key apparatus

1986-09-23

1988-11-22

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

34082519, 34082572, H04Q 100

Patent

active

047869003

ABSTRACT:
An electronic key apparatus wherein an encrypted code for unlocking an electronic lock is stored in an encrypted code storage register. A password is stored in a password storage register. The same password as that stored in the password storage register, is input via a switch. The password input by the switch is compared with the password stored in the password storage register, by a coincidence detection circuit. When a coincidence is detected, the encrypted code stored in the encrypted code storage register is transmitted to the electronic lock, by a transmitter.

REFERENCES:
patent: 3891980 (1975-06-01), Lewis et al.
patent: 4189712 (1980-02-01), Lemelson
patent: 4353064 (1982-10-01), Stamm
patent: 4573046 (1986-02-01), Pinnow

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