Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1986-10-23
1987-12-22
Myracle, Jerry W.
Communications: electrical
Continuously variable indicating
With particular transmitter
336 55, 376258, G01C 1908
Patent
active
047149264
ABSTRACT:
A position indication system for detecting the position of an elongated, metallic member which is linearly movable between first and second positions along an axis corresponding to its longitudinal dimension. A sensor is operatively associated with the member for producing a first output signal which corresponds to the position of the member and which fluctuates with changes in the temperature of the member. A temperature monitoring device is operatively associated with the member for monitoring its temperature and for producing a second output signal which varies in direct response to changes in the temperature of the member. A combining circuit is connected to the sensor and to the temperature monitoring device for receiving the first and second output signals and for producing a third output signal which represents the position of the member compensated for changes in temperature of the member.
REFERENCES:
patent: 2772383 (1956-11-01), Bradley et al.
patent: 2917445 (1959-12-01), Oakes et al.
patent: 3441834 (1969-04-01), Moskowitz et al.
Boomgaard Dirk J.
Neuner James A.
Abeles Daniel C.
Myracle Jerry W.
Westinghouse Electric Corp.
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