Method and apparatus for dynamic focusing control of a radiant e

Details Method and apparatus for dynamic focusing control of a radiant e Method and apparatus for dynamic focusing control of a radiant e

1986-04-21

1987-12-22

Corbin, John K.

350446, G02B 2608, G02B 1700

Patent

active

047143100

ABSTRACT:
Beam focusing and scanning method and apparatus are shown comprising a plane mirror (40) upon which a laser beam (32) is directed through a focusing lens (38). The beam is reflected back through the focusing lens (38) onto a pivotal mirror (52). The plane mirror (40) is movable back and forth along the beam axis, and the movement of plane mirror (40) and pivotal mirror (52) is synchronized whereby the beam is focused at the face of an object (54) while scanned across the object.

REFERENCES:
patent: 4116527 (1978-09-01), Sick
patent: 4256364 (1981-03-01), Minoura et al.
patent: 4274101 (1981-06-01), Kataok et al.
patent: 4383755 (1983-05-01), Fedder et al.
patent: 4464011 (1984-08-01), Takahashi et al.

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