Title:
LENS ARRAY, LENS UNIT, LED HEAD, EXPOSURE DEVICE, IMAGE FORMING APPARATUS, AND READING DEVICE
Document Type and Number:
Japanese Patent JP2012247541
Kind Code:
A
Abstract:
To suppress deterioration of contrast in imaging.
In a lens array formed by arranging a plurality of lenses, each of the lenses forming the lens array has, near an optical axis of the lens, a first area having a first curvature, and a second area farther away from the optical axis than the first area and having a second curvature larger than the first curvature.
Inventors:
YAMAMURA AKIHIRO
Application Number:
JP2011117903A
Publication Date:
December 13, 2012
Filing Date:
May 26, 2011
Export Citation:
Assignee:
OKI DATA KK
International Classes:
G02B3/00; B41J2/44; B41J2/45; B41J2/455; G02B5/00; H04N1/036
Domestic Patent References:
JP2012240392A | 2012-12-10 | |||
JP2011053441A | 2011-03-17 | |||
JP2006178160A | 2006-07-06 | |||
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Foreign References:
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Attorney, Agent or Firm:
Takaji Kanakura