Title:
ＬＥＤ照明器具の保護装置
Document Type and Number:
Japanese Patent JP7227618
Kind Code:
B2
Abstract:
To provide a technology that achieves both protection in an event of a short circuit failure of an electric circuit inside an LED lighting fixture and protection against lightning surges.SOLUTION: The surge protective element circuit protects against relatively low surges such as induced lightning surges. Two types of fuses are used to achieve a dual purpose of protection in an event of damage to the surge protective element circuit and protection in an event of failure of a lighting control circuit.SELECTED DRAWING: Figure 1
Inventors:
Hiroyuki Aoyama
Kazuhiro Yuzawa
Kazuhiro Yuzawa
Application Number:
JP2020020265A
Publication Date:
February 22, 2023
Filing Date:
February 10, 2020
Export Citation:
Assignee:
Kagatsu Co., Ltd.
International Classes:
H02H3/08; F21S8/08; F21V25/04; F21V25/10; H02H9/04; H05B45/54
Domestic Patent References:
| JP2019114341A | ||||
| JP2017199587A |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office