Infra-red telemetry system
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United States of America Patent
Stats
-
Aug 12, 1986
Grant Date -
N/A
app pub date -
Jun 15, 1984
filing date -
Sep 9, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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