Secure code operated device

Details Secure code operated device Secure code operated device

1988-08-16

1992-10-27

Weldon, Ulysses

Communications: electrical

Continuously variable indicating

With meter reading

34082531, 34082534, G08C 1900

Patent

active

051593335

ABSTRACT:
A secure coding device is presented that requires a multi-bit binary code to rotate a locking cam to an unlock position. The device is secure against unauthorized human intervention because it does not provide information to an attempted intervenor which can be used to further attempt to gain access to the system.

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