Title:
ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/228913
Kind Code:
A1
Abstract:
This illumination device 10 comprises: a light source 11 that emits illumination light; an optical system 12; a branching unit 13 that branches illumination light emitted from the light source 11; a plurality of detection units 15, 16 that detect the light quantity of light which has arrived via the branching unit 13; holding parts 180 that respectively hold the plurality of detection units 15, 16; and a lens barrel 30 that accommodates the branching unit 13, the plurality of detection units 15, 16, and the holding parts 180. The lens barrel 30 has a mounting plane, which is a plane intersecting a first direction that intersects the optical axis of the optical system 12, and to which is attached, from the first direction, the holding units 180 for holding the plurality of detection units 15, 16. The optical system 12 and the light source 11 are mounted on the lens barrel 30 along a second direction conforming to the optical axis.
Inventors:
NAKAMURA YUTA (JP)
Application Number:
PCT/JP2023/019004
Publication Date:
November 30, 2023
Filing Date:
May 22, 2023
Export Citation:
Assignee:
NIDEC PREC CORPORATION (JP)
International Classes:
F21S45/70; F21S43/20; F21V7/00; F21V23/00; F21W103/60; F21Y115/30
Foreign References:
| JP2011527518A | 2011-10-27 | |||
| JP2014180886A | 2014-09-29 |
Attorney, Agent or Firm:
Tsutsui & Associates (JP)
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