Device for transmitting measurement data from a rotating body

Details Device for transmitting measurement data from a rotating body Device for transmitting measurement data from a rotating body

1981-12-17

1985-05-21

Groody, James J.

Communications: electrical

Continuously variable indicating

Via radiant energy beam

34087001, 34087017, 361412, 361415, 374154, H05K 111, H05K 114, H05K 714, G08G 1912

Patent

active

045189625

ABSTRACT:
In the transmission of measurement data from a rotating body to a stationary receiver, a rotary signal transmitter mounted on a rotating shaft employs a printed circuit. A printed circuit board assembly for the rotary transmitter has a plurality of evenly circumferentially distributed printed circuit boards which have their electronic components facing radially inwardly so as to resist damage due to centrifugal force resulting when the shaft and boards rotate. Connecting wires connect the assembly to a temperature sensor and the signal corresponding to the temperature is transmitted via a light-emitting element to a light-sensitive element of the receiver. Another arrangement employs rotationally balanced printed circuit discs extending radially. Multiplexing means may also be provided.

REFERENCES:
patent: 3596139 (1971-07-01), Walsh
patent: 3758845 (1973-09-01), MacKelvie

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