Ice deposition detector employing impedance change of a vibrator

Details Ice deposition detector employing impedance change of a vibrator Ice deposition detector employing impedance change of a vibrator

1983-07-18

1986-02-04

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

307116, G08B 2100

Patent

active

045689229

ABSTRACT:
A vibrating body is connected as one element of a voltage divider. A detector circuit is connected to the measuring point of the voltage divider. If ice is deposited on the body, its impedance changes and the resulting voltage change at the voltage divider is detected to provide an alarm or control function. The noted impedance change can be more reliably detected under a variety of conditions than the traditional vibration frequency or amplitude criteria.

REFERENCES:
patent: 3270330 (1966-08-01), Weinberg
patent: 4176524 (1979-12-01), Kamiyama et al.

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