Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1987-08-18
1989-01-10
Corbin, John K.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
350 65, 358206, G02B 2610
Patent
active
047969636
ABSTRACT:
A scanning apparatus using a rotary polygon mirror comprises a rotary polygon mirror, a motor for driving the rotary polygon mirror, an optical lens system positioned in front of the rotary polygon mirror for projecting a laser beam onto the rotary polygon mirror and outputting the laser beam reflected thereby toward a photosensitive drum, and a housing for enclosing the rotary polygon mirror in a closed space formed therein and accommodating the optical lens system.
REFERENCES:
patent: 4130339 (1978-12-01), Kawamura et al.
patent: 4349843 (1982-09-01), Laakmann et al.
patent: 4571035 (1986-02-01), Sakuma
patent: 4712884 (1987-12-01), Sakuma et al.
patent: 4714960 (1987-12-01), Laakmann
Corbin John K.
Lerner Martin
Ricoh & Company, Ltd.
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