Infra-red telemetry system

Details Infra-red telemetry system Infra-red telemetry system

1984-06-15

1986-08-12

Myracle, Jerry W.

Communications: electrical

Continuously variable indicating

Via radiant energy beam

34087041, 340648, G08C 1936

Patent

active

046059253

ABSTRACT:
An infra-red telemetry system for transmitting information between a rotating shaft of a dynamoelectric machine and an adjacent stationary location includes a plurality of sources of infra-red radiation spaced equi-distanced from one another around the shaft of the dynamoelectric machine and mounted to the shaft of the machine. Information is coded into a pulse train and the pulse train is used to energize the infra-red sources simultaneously. At least one infra-red detector is mounted at a stationary location adjacent the dynamoelectric machine. The infra-red sources are directed to bounce their radiation off a cover plate having a diffuse reflecting surface and mounted on the rotor of the dynamoelectric machine. The bounced radiation is detected by the infra-red detector and decoded to provide the information from the rotor.

REFERENCES:
patent: 4145653 (1979-03-01), Voigt
patent: 4150358 (1979-04-01), Aviander
Lefrancois, W. et al., Optical Detector . . . Synchronous Machines, IEEC & E Paper No. 77251, 1977, Toronto.
"Optical Information Coupling Between Stationary and Rotating Systems"; N. D. Kline, L. F. Mattson.
"Infrared Communication for In-House Applications"; F. R. Gfeller, H. R. Muller and P. Vettiger.

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