Tap-actuated lock and method of actuating the lock

Details Tap-actuated lock and method of actuating the lock Tap-actuated lock and method of actuating the lock

1978-12-29

1980-04-08

Pitts, Harold I.

Communications: electrical

Digital comparator systems

340543, 340148, 340164R, H04Q 900

Patent

active

041975243

ABSTRACT:
An electromechanical lock detects a series of taps on a surface. After converting the taps into a series of electrical signals, processes the signals and compares the tap sequence with a pre-set code.

REFERENCES:
patent: 3911397 (1975-10-01), Feeny

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