Optical scanner and image forming apparatus utilizing optical sc

Details Optical scanner and image forming apparatus utilizing optical sc Optical scanner and image forming apparatus utilizing optical sc

1996-12-23

1998-09-15

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359205, 359796, 347244, G02B 2608

Patent

active

058087729

ABSTRACT:
A hybrid cylindrical lens includes a glass lens having a cylindrical incident plane, a substantially flat outgoing radiation plane, and at least one plane surface adjacent to the outgoing radiation plane and a plastic lens unified with the glass lens so as to expose the outgoing radiation plane of the glass lens and at least a part of the plane surface and cover the remaining portions.

REFERENCES:
patent: 1977813 (1934-10-01), Tillyer
patent: 2036622 (1936-04-01), Emmerich
patent: 2043916 (1936-06-01), Altman
patent: 4690512 (1987-09-01), Forsyth
patent: 5270851 (1993-12-01), Makino et al.
patent: 5321550 (1994-06-01), Maruyama et al.
patent: 5361168 (1994-11-01), Arai et al.

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