CAR SECURITY DEVICE Russian patent published in 1997 - IPC

Abstract RU 2082636 C1

FIELD: automotive industry, car accessories. SUBSTANCE: device has unauthorized access sensor and self-excited oscillator connected to its output. Self-excited oscillator is coupled with comparator through differential amplifier and bandpass amplifier. Comparator input is connected to signal element through time delay unit. EFFECT: simplified design, improved sensitivity with simultaneous protection from false operations. 4 dwg

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RU 2 082 636 C1

Authors

Kashtanov V.D.

Drozdov O.M.

Dates

1997-06-27—Published

1991-08-23—Filed