Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1996-04-23
1997-07-22
Phan, James
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359850, 359855, G02B 2608
Patent
active
056508700
ABSTRACT:
A rotary polygon mirror has reflecting mirror faces formed at side faces of a prism of a predetermined height, and includes an axially symmetrical projection formed along at least parts of outer peripheral edges of the prism on upper and lower faces of the prism.
REFERENCES:
patent: 4892372 (1990-01-01), Chonan et al.
patent: 5361170 (1994-11-01), Takeyasu
Kaino Kazuyuki
Ogue Yosuke
Matsushita Electronic Industrial Co. Ltd.
Phan James
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