Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1998-01-30
2000-08-29
Allen, Stephone
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
348191, 356218, H01L 2700
Patent
active
061112437
ABSTRACT:
A system and method for inspecting an image-producing display according to a predetermined footprint is disclosed. The system includes a platform fixed to a first multi-axis positioning unit for supporting the display. A sensing head is disposed in confronting relationship with the platform to detect light produced by the display. The sensing head is carried by a second multi-axis positioning unit. The system also includes a controller having outputs coupled to the respective first and second positioners. The controller is operative to generate control signals for manipulating the respective positioners and arranging the display and the sensing head into one or more relative orientations defining the inspection footprint.
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Allen Stephone
Photo Research, Inc.
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