Scanner using a polygonal mirror

Details Scanner using a polygonal mirror Scanner using a polygonal mirror

1999-05-27

2000-11-21

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359198, 359216, G02B 2608

Patent

active

06151151&

ABSTRACT:
A scanner using a polygonal mirror includes a rotor with a magnet mounted thereon, a rotary shaft on which the rotor is mounted, and a stator with a coil facing the magnet at a preselected distance. The rotor is machined in the form of a square pillar having mirror surfaces at sides thereof to thereby form the polygonal mirror. A recess is formed in one major surface of the rotor while the magnet is press fitted in the recess. The scanner with this configuration needs a minimum number of parts, obviates the need for highly accurate adhesion and is durable and easy to produce.

REFERENCES:
patent: 4836631 (1989-06-01), Shimazu et al.

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