ELECTRONIC LOCK Russian patent published in 1996 - IPC

Abstract RU 2057876 C1

FIELD: lock production. SUBSTANCE: electronic lock has emitters 1, photodetectors 2, one OR circuit 3, one comparison circuit 4, one delay circuit 5, one counter 6, one commutator 7, switches 8, one selector 9, one inverter 10, two coincidence circuits 11, 12, one actuator 13, one alarm device 14, one key 15. 1-15-2-4-6-9- 10-12-14; 8-7-4; 6-7; 2-3-5-11-13. 5-12-14. EFFECT: high reliability. 3 cl, 7 dwg

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RU 2 057 876 C1

Authors

Chursin E.G.

Ruchkin V.V.

Bitkinov A.S.

Zhorin V.V.

Dates

1996-04-10—Published

1993-04-23—Filed