Title:
車載機器および劣化判別方法
Document Type and Number:
Japanese Patent JP7221452
Kind Code:
B2
Abstract:
An in-vehicle device includes a housing having an opening, an openable and closable cover disposed over the opening, a sealing member disposed around the opening such that the sealing member is held between the housing and the cover when the cover is closed, at least one first vibration sensor to measure mechanical vibration of the cover, and a degradation determiner to determine whether any degradation occurs in the sealing member. The degradation determiner determines whether any degradation occurs in the sealing member on the basis of the mechanical vibration measured by the at least one first vibration sensor while the cover is closed.
Inventors:
Yuya Nakamura
Taichi Yoshida
Tomoki Watanabe
Taichi Yoshida
Tomoki Watanabe
Application Number:
JP2022532951A
Publication Date:
February 13, 2023
Filing Date:
July 02, 2020
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
B61C17/12; B61D17/00
Domestic Patent References:
| JP201539918A | ||||
| JP201382302A | ||||
| JP61114905U | ||||
| JP7159231A |
Attorney, Agent or Firm:
Kimura Mitsuru
Koji Yashima
Hideki Mie
Yukio Watanabe
Ryohei Miyawaki
Shiro Tatsutake
Koji Yashima
Hideki Mie
Yukio Watanabe
Ryohei Miyawaki
Shiro Tatsutake