ELECTRONIC LOCK Russian patent published in 2003 - IPC

Abstract RU 2207433 C1

FIELD: equipment for protection of various objects against access of strangers. SUBSTANCE: the electronic lock has switching elements, actuating unit, radio transmitter, radio receiver, means for coding, inductance coil, means for frequency conversion (containing mixers, local oscillator, 90- deg. phase shifters, intermediate-frequency amplifiers, adders, multiplier, narrow-band filters, amplitude detector, key, phase inverters, band-pass filters, modulating code generator, phase manipulator, multipliers, narrow-band filter, narrow-band filter, low-pass filter, memory unit, correlator, threshold element). EFFECT: enhanced selectivity and noise immunity of electronic lock due to suppression of interference received via the channel of direct passage and via intermodulation channels. 10 dwg

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RU 2 207 433 C1

Authors

Dikarev V.I.

Zhurkovich V.V.

Sergeeva V.G.

Dates

2003-06-27Published

2002-07-19Filed