Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1997-04-11
1999-11-30
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
356250, 356255, G01B 1126
Patent
active
059946881
ABSTRACT:
A device for leveling a laser transmitter is provided. An optical position sensor is used to measure the position of a compensator assembly. The compensator assembly automatically adjusts the position of the laser beam once the compensator assembly is within a specified range of level. Once the compensator assembly is within the specified range, the compensator assembly optically adjusts the laser beam so that it is plumb. A leveling device may be used to level the laser transmitter in response to the position of the compensator assembly as measured by the position sensor.
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"MinuteMarker General Construction/Interior Laser System Model 1462" Brochure, Published Oct. 26, 1996.
Dugan John Patrick
Hajmousa Ayman Zuhdi
Jackson Jonathan Appleget
Perchak Robert Matthew
Luu Thanh X.
Spectra Precision, Inc.
Westin Edward P.
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