Radiant energy – Photocells; circuits and apparatus – Housings
Patent
1998-07-17
2000-08-29
Lee, John R.
Radiant energy
Photocells; circuits and apparatus
Housings
250573, 250216, 250233, H01J 4014, H01J 502
Patent
active
061112496
ABSTRACT:
An apparatus for housing a submergible optical sensor is provided. The apparatus comprises a sensor body having a sensor opening. The sensor body is operable to protect a sensor when submerged in a fluid. A shutter is disposed above the sensor opening. A motor couples to the shutter and can rotate the shutter. A controller couples to the motor and is operable to cause the motor to rotate the shutter such that the sensor opening is exposed when the sensor takes a measurement. The controller is further operable to cause the motor to rotate the shutter such that the shutter covers the sensor opening when the sensor is not taking a measurement.
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Hydrolab Corporation
Kinnear Glenn T
Lee John R.
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