Triangulation-type position measuring device

Details Triangulation-type position measuring device Triangulation-type position measuring device

1987-03-30

1988-09-27

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

250561, 356 4, G01J 132

Patent

active

047744030

ABSTRACT:
A position measuring device using a triangulation scheme for position sensing. A laser diode projects a spot upon a target surface. The image of the spot is focused on a Charge Coupled Device linear image sensor. The image of the sensor is indicative of the distance from the device to the target surface.

REFERENCES:
patent: 4274735 (1981-06-01), Tamura et al.
patent: 4527891 (1985-07-01), Lambeth
patent: 4567347 (1986-01-01), Ito et al.

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