Device for the transmission of measured values

Details Device for the transmission of measured values Device for the transmission of measured values

1979-12-04

1982-01-19

Groody, James J.

Communications: electrical

Continuously variable indicating

Condition responsive

340 58, 34087032, 731465, G08B 2100, B60C 2300

Patent

active

043120016

ABSTRACT:
An apparatus for transmitting measured value signals from a movable object to an object fixed relative thereto, includes a transmitter and receiver, each containing a common oscillatory circuit, carried on the fixed object, and a coupling circuit, also containing an oscillatory circuit, carried by the movable object, the oscillatory circuits for the transmitter and receiver being alternately switched between operative and inoperative conditions, whereby an oscillatory frequency signal is first transmitted by the transmitter to energize the oscillatory circuit of the coupling circuit, and then the transmitter is switched off and the receiver is switched on to receive the oscillatory frequency signals from the coupling circuit.

REFERENCES:
patent: 3500459 (1970-03-01), Battin et al.
patent: 3723966 (1973-03-01), Mueller et al.
patent: 3745569 (1973-07-01), Works et al.
patent: 3798642 (1974-03-01), Augenblick et al.
patent: 3836842 (1974-09-01), Zimmermann et al.
patent: 4023167 (1977-05-01), Wahlstrom
patent: 4117481 (1978-09-01), Constant
patent: 4148008 (1979-04-01), Lusk et al.

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