Optical position detector

Details Optical position detector Optical position detector

1976-09-28

1978-05-09

Mullins, James B.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

219121L, 331DIG1, 2191244, G05B 100

Patent

active

040888908

ABSTRACT:
An optical position detector is provided for optically locating a seam between two abutting parts having reflective surfaces and features means for producing a continuous laser beam having a predetermined focus spot for scanning the workpiece and a photodetector. The photodetector is positioned to receive radiation reflected from the workpiece upon relative movement of the workpiece.

REFERENCES:
patent: 3135857 (1964-06-01), Von Voros
patent: 3695771 (1972-10-01), Bardos
patent: 3766125 (1973-09-01), Okada et al.
patent: 3766355 (1973-10-01), Kottkamp

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