Title:
ガスメーターと導光体
Document Type and Number:
Japanese Patent JP6542111
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a technique for lightening the entire periphery of a reset button.SOLUTION: A main light guide body 10 comprises a first light guide part 11 for guiding light of a light source 31 into the main light guide body 10, and a second light guide part 12 for guiding light passing through the first light guide part 11 to the periphery of a reset button 40. The first light guide part 11 includes an incidence surface 16 facing the light source 31. The second light guide part 12 includes an emission surface 17 facing a side of the first light guide part 11 opposite the incidence surface 16, and a reflection surface 18 facing the incidence surface 16. The reflection surface 18 of the second light guide part 12 is inclined so as to be away from the emission surface 17 and closer to the incidence surface 16 toward the first light guide part 11.SELECTED DRAWING: Figure 6
Inventors:
Katsuhisa Hanaki
Toshiaki Yamada
Ryo Kagami
Hiroaki Asano
Toshiaki Yamada
Ryo Kagami
Hiroaki Asano
Application Number:
JP2015229074A
Publication Date:
July 10, 2019
Filing Date:
November 24, 2015
Export Citation:
Assignee:
Aichi Clock Electric Co., Ltd.
International Classes:
G01F3/22
Domestic Patent References:
| JP5517218B2 | ||||
| JP3566128B2 | ||||
| JP2004319238A |
Foreign References:
| EP1376872A2 |
Attorney, Agent or Firm:
Kaiyu International Patent Office