Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INFORMING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/039524
Kind Code:
A1
Abstract:
This informing device is provided with: a face plate having a plate front surface and a plate rear surface and arranged in the vertical direction; and a sound generator provided on the plate rear surface side, wherein the plate front surface and the plate rear surface face each other in the thickness direction of the face plate, the face plate is provided with a through-hole for passing therethrough the sound generated by the sound generator, the through-hole has a first opening formed in the plate front surface and a second opening formed in the plate rear surface, and when the through-hole is viewed along the thickness direction of the face plate, the second opening is shifted upward from the first opening.

Inventors:
SONOBE YUSUKE (JP)
KAI HIDEO (JP)
ARAI RYOTA (JP)
Application Number:
PCT/JP2018/031024
Publication Date:
February 27, 2020
Filing Date:
August 22, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B3/00
Foreign References:
JP2006101287A2006-04-13
JPS5696784U1981-07-31
JP2016092671A2016-05-23
JPH07242375A1995-09-19
CN104724564A2015-06-24
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Download PDF: