Optical print head and image forming device
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United States of America Patent
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Aug 18, 2020
Grant Date -
Sep 12, 2019
app pub date -
Mar 4, 2019
filing date -
Mar 8, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
An optical print head that performs optical writing to a photoreceptor includes: a light transmissive substrate; a light emitting unit including light emitting element groups, each of which includes two or more light emitting elements disposed on a first main surface of the substrate; a lens array including lenses that correspond one-to-one to the light emitting element groups; light detection units disposed above the second main surface of the substrate in one-to-one correspondence to the light emitting element groups and that detects the light from each of the light emitting elements; and correction unit that corrects light amounts of the light emitting elements of the light emitting element group based on detection of the light detection units.
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