Lens array, LED head, exposure device, image forming...

Details Lens array, LED head, exposure device, image forming... Lens array, LED head, exposure device, image forming...

2011-06-07

2011-06-07

Spector, David N (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S738000, C359S621000

Reexamination Certificate

active

07957067

ABSTRACT:
A lens array includes a plurality of lens units each of which includes a plurality of microlenses linearly arranged, and a light shielding member having a plurality of openings as apertures. The openings are disposed so as to face the microlenses of respective lens units. Facing microlenses of the lens units have optical axes substantially aligned with each other and passing the openings of the light shielding member. Light absorbing portions are provided in the openings.

REFERENCES:
patent: 5796522 (1998-08-01), Meyers
patent: 6707613 (2004-03-01), Fujimoto et al.
patent: 2010/0157429 (2010-06-01), Yamamura
patent: 10-210213 (1998-08-01), None
patent: 2005-122041 (2005-05-01), None
patent: 2008-087185 (2008-04-01), None

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