OPTOELECTRONIC LOCK Russian patent published in 1997 - IPC

Abstract RU 2098586 C1

FIELD: room and object protection equipment. SUBSTANCE: lock has main and auxiliary light sources optically connected with main and auxiliary photodetectors, respectively, optoelectronic unit for switching auxiliary light sources, key with light channels, coincidence circuit whose output is connected with input of electromechanical locking device, permanent memory, comparison circuit and switch pulse counter. EFFECT: increased efficiency and enhanced reliability in operation. 4 cl, 3 dwg

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RU 2 098 586 C1

Authors

Kolobkov L.B.

Karpikov I.N.

Eropkin V.A.

Skrinnik A.V.

Abrosimov V.A.

Skorikov I.V.

Dates

1997-12-10—Published

1994-02-03—Filed