Prism block for suppressing decrease of amount of light by medium, optical unit, and scanner optical system

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United States of America Patent

PATENT NO 9995915
APP PUB NO 20170192202A1
SERIAL NO

15397127

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Abstract

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A prism block is provided at least one notch to propagate in the light flux in air, on an optical path from entrance of a light flux via a first portion of the prism block to exit of the light flux via a second portion of the prism block. The notch is configured such that the light flux exiting from inside of the prism block via a first interface of the notch between the prism block and the air re-enters the prism block via a second interface between the air and the prism block, the second interface facing the first interface.

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Patent Owner(s)

Patent OwnerAddress
KONICA MINOLTA INCJAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ohzawa, Satoko Toyokawa, JP 8 15

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