Optics: measuring and testing – Angle measuring or angular axial alignment – Apex of angle at observing or detecting station
Patent
1993-06-29
1996-06-18
Buczinski, Stephen C.
Optics: measuring and testing
Angle measuring or angular axial alignment
Apex of angle at observing or detecting station
2502062, 25022711, 2502031, 2502032, 3561412, 3561413, G01B 1126, G01C 100
Patent
active
055283586
ABSTRACT:
An optical device for measuring the angular position of electromagnetic radiation, such as laser light, incident on the device, includes a lens system defining an input surface for receiving the incident electromagnetic radiation and an output surface towards which the incident radiation within the optical field of vision of the device is deflected by the lens system, a plurality of light guides each having a first end facing and in direct physical and optical contact with the output surface of the lens system, the first ends of the light guides substantially covering the output surface of the lens system, a detector allocated to each respective light guide and connected to its second end, and a calculating unit for determining a present angular position, based on the signal values outputted by the detectors, by calculating ratio between difference signals and sum signals of signal values of the detectors and determining the angular position corresponding to this ratio.
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Bjorkman Bengt
Vogl, deceased Georg
Buczinski Stephen C.
Celsiustech Electronics AB
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