ELECTRONIC LOCK Russian patent published in 2001 - IPC

Abstract RU 2175708 C1

FIELD: systems of protection of various objects against access of strangers. SUBSTANCE: the electronic lock has a power supply, sealed-contact reed relay, actuating unit, radio transmitter, radio receiver, means for coding, the first and second oscillatory circuits, means of frequency conversion, permanent magnet, multiplier, narrow- band filter, multiple delay line, phase inverters, adder, selector, the first and second spectrum analyzers, comparison unit and a threshold unit. EFFECT: enhanced noise immunity, reliability, secrecy. 2 dwg

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RU 2 175 708 C1

Authors

Zarenkov V.A.

Dikarev V.I.

Dates

2001-11-10—Published

2000-09-26—Filed