Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1989-12-13
1991-07-09
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
356375, G01N 2186
Patent
active
050308394
ABSTRACT:
An improved sensor for body-to-lead tolerances for very odd components includes multiple light beams formed by LED/photodiode pairs, or multiple independent light detectors with a multidirectional light source. The sensor is self-contained, not requiring position data from a robot carrying the components.
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V. DiLorenzo et al, "Component Position Recognition Method and Device for an Assembly Robot", IBM TDB, vol. 26, #7B (12/83) pp. 3664-3666.
Barschall Anne E.
Nelms David C.
North American Philips Corporation
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