Identification and/or sensor system

Details Identification and/or sensor system Identification and/or sensor system

1996-10-24

1999-02-16

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

340572, 342 44, 342 51, 333154, 333195, G08B 1314, G07D 700, G01S 1374, H03H 900

Patent

active

058725202

ABSTRACT:
An identification and/or sensor system includes a sensor that queries an identification and/or sensor configuration which contains resonators. A receiver receives an answer signal from the identification and/or sensor configuration. The receiver includes a phase-locked loop for converting a resonator decay signal into a signal of constant frequency and constant envelope curve.

REFERENCES:
patent: 3815029 (1974-06-01), Wilson
patent: 4099125 (1978-07-01), Bennett et al.
patent: 4605904 (1986-08-01), Hajj-Chehade
patent: 4673932 (1987-06-01), Ekchian et al.
patent: 5691698 (1997-11-01), Scholl et al.

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