Title:
LIGHT IRRADIATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/181662
Kind Code:
A1
Abstract:
This light irradiation device (100) is provided with a light source (1), a first reflection surface (31), a second reflection surface (41), and rotation mechanisms (5, 6) for causing the first reflection surface (31) to rotate about a first central axis (C1) passing through the center thereof, and the second reflection surface (41) to rotate about a second central axis (C2) passing through the center thereof, wherein the first central axis (C1) is perpendicular to a first reference plane (R1) which is inclined by 45˚ with respect to a first plane (XY) perpendicular to the optical axis (C0) of incident light on the first reflection surface (31), the second central axis (C2) is perpendicular to a second reference plane (R2) which is parallel to the first reference plane (R1), the first reflection surface (31) is inclined with respect to the first reference plane (R1), and the second reflection surface (41) is inclined with respect to the second reference plane (R2).
Inventors:
SUWA MASASHIGE (JP)
OSHIMA RITSUYA (JP)
KUWATA MUNEHARU (JP)
OSHIMA RITSUYA (JP)
KUWATA MUNEHARU (JP)
Application Number:
PCT/JP2020/011139
Publication Date:
September 16, 2021
Filing Date:
March 13, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F21S2/00
Domestic Patent References:
| WO2019021913A1 | 2019-01-31 |
Foreign References:
| JP2016075858A | 2016-05-12 | |||
| US20080239447A1 | 2008-10-02 |
Attorney, Agent or Firm:
YAMAGATA Yoichi et al. (JP)
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