Title:
LIGHT SOURCE DEVICE, EXPOSURE DEVICE, AND DETERMINATION METHOD FOR LIGHT SOURCE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/039427
Kind Code:
A1
Abstract:
The present invention provides a light source device equipped with a determination circuit that quickly and inexpensively determines with high accuracy whether or not an electric-discharge lamp for use as a light source is an authentic product and whether the electric-discharge lamp is new or used in an exposure device used for exposing a printed circuit board or the like. A light source device 100 is constituted by an electric-discharge lamp 110 as a light source, a determination circuit 200, and a reflector container 151 to which the electric-discharge lamp 110 and the determination circuit 200 are attached. The determination circuit 200 is constituted by an incandescent lamp 210 for detecting whether or not the electric-discharge lamp 110 is an authentic product and a fuse 220 connected in series with the incandescent lamp 210 for determining whether or not the electric-discharge lamp 110 is new.
Inventors:
IKEDA TOMIHIKO (JP)
ODANI KOUICHI (JP)
GOUDA TETSUYA (JP)
ODANI KOUICHI (JP)
GOUDA TETSUYA (JP)
Application Number:
PCT/JP2018/030635
Publication Date:
February 28, 2019
Filing Date:
August 20, 2018
Export Citation:
Assignee:
PHOENIX ELECTRIC CO LTD (JP)
International Classes:
G03F7/20; F21V23/00; H05B37/02
Domestic Patent References:
| WO2018143300A1 | 2018-08-09 |
Foreign References:
| JP5869713B1 | 2016-02-24 | |||
| JP2005235565A | 2005-09-02 |
Attorney, Agent or Firm:
TADA Yuji (JP)
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