Optics: measuring and testing – Angle measuring or angular axial alignment – Alignment of axes nominally coaxial
Patent
1992-01-28
1993-11-09
Turner, Samuel A.
Optics: measuring and testing
Angle measuring or angular axial alignment
Alignment of axes nominally coaxial
G01B 1126
Patent
active
052607658
ABSTRACT:
An optical alignment system includes a transmitter of a beam of radiant energy and receiver thereof. Both the transmitter and receiver carry a plurality of light emitting diodes. As the optical alignment between the transmitter and the receiver is altered, the number of diodes which is energized is increased or decreased in response to increasing or decreasing the optical coupling therebetween.
REFERENCES:
patent: 4356393 (1982-10-01), Fayfield
patent: 4670741 (1987-06-01), Cole
patent: 5085508 (1992-02-01), Hawkinson
Pittway Corporation
Turner Samuel A.
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