Line head and an image forming apparatus

Details Line head and an image forming apparatus Line head and an image forming apparatus

2011-04-19

2011-04-19

Pham, Hai C (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S258000

Reexamination Certificate

active

07929008

ABSTRACT:
A line head includes: a first lens formed from a resin and on a glass substrate; and a light emitting element substrate that has light emitting elements arranged in a first direction, wherein a cross section of the first lens taken in the first direction and including an optical axis of the first lens has a configuration wherein a curvature of the first lens at the optical axis has a larger absolute value than a curvature of an outer peripheral portion of the first lens.

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patent: 6069741 (2000-05-01), Osawa
patent: 6653705 (2003-11-01), Ushijima et al.
patent: 6816181 (2004-11-01), Ohkubo
patent: 6844888 (2005-01-01), Nakamura
patent: 2008/0080057 (2008-04-01), Yamamura
patent: 2009/0244713 (2009-10-01), Kodera et al.
patent: 2801838 (1998-09-01), None
patent: 2005-276849 (2005-10-01), None

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