Lens unit, exposure device, LED head, image forming apparatus, and scanning device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11194079
APP PUB NO 20190257983A1
SERIAL NO

16279373

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A lens unit includes a first lens array including first lenses arranged in at least two lines; a second lens array including second lenses arranged in an arrangement relationship corresponding to the first lens array, the second lenses respectively facing the first lenses, the second lens array being arranged to face the first lens array so that each pair of the first and second lenses has a common optical axis; and a first light blocking member arranged between the first lens array and the second lens array and having first openings each being arranged to face the pair of the first and second lenses in a direction of the optical axis. An interval PXL from an array center position between two adjacent lines to the optical axis and an interval PXS from the array center position to an opening center of the first opening satisfy PXL

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Patent Owner(s)

  • OKI ELECTRIC INDUSTRY CO. LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamamura, Akihiro Tokyo, JP 76 681

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