Temperature compensated method and apparatus for detecting the o

Details Temperature compensated method and apparatus for detecting the o Temperature compensated method and apparatus for detecting the o

1990-06-01

1991-12-10

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

32420716, 32420726, 324236, 331 66, G01B 714, H03L 102

Patent

active

050721801

ABSTRACT:
A compensated temperature distance detector wherein the detecting coil is realized in the form of wires, divided and isolated the one from the others. A first set of wires (L) constitutes the oscillating coil parallel connected to a capacitor and fed between two distinct voltages (VCC and M) through a current source (IB) and a second set of wires (L'), connected at a first extremity to a first set of wires and to a generator, is connected at its other extremity to a third voltage (V1), whereby a d.c. current flows through the series connection of the first and second sets of wires.

REFERENCES:
patent: 3328680 (1967-06-01), Singer
patent: 4509023 (1985-04-01), Heimlicher
patent: 4731578 (1988-03-01), Tsaprazis
patent: 4797614 (1989-01-01), Nelson
patent: 4954776 (1990-09-01), Husher
patent: 4956606 (1990-09-01), Kwiatkowski et al.
PATENT ABSTRACTS OF JAPAN, vol. 11, No. 223, (containing Japanese Patent Application No. 63-38382 (A), 1987) (No full English translation).

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