DETECTION SYSTEM TRANSPONDER Russian patent published in 2000 - IPC

Abstract RU 2147381 C1

FIELD: conversion of continuous signals to digital ones for detectors of warning items. SUBSTANCE: transponder that incorporates transmitter for building up alternating magnetic field and receiver equipped with detector that provides for detecting preset higher frequency harmonics of alternating field has its ring-shaped warning item made of magnetically soft material. With transponder placed in alternating magnetic field warning item excites higher frequency harmonics of alternating field. EFFECT: minimized size of transponder ensuring desired signal. 9 cl, 8 dwg, 1 tbl

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RU 2 147 381 C1

Authors

Villem Angel

Khenri Batterink

Kornelis Simon Adrian De Nod

Dates

2000-04-10—Published

1994-12-08—Filed