Title:
警報器
Document Type and Number:
Japanese Patent JP7239317
Kind Code:
B2
Abstract:
To provide an alarm device with an improved visibility of light.SOLUTION: An alarm device that emits an alarm when an abnormal condition is detected comprises an upper case 11 and an LED 40 provided on a printed circuit board 30. The upper case 11 has lamp grooves 15 and 16 and a hole 11a for guiding light from the LED 40. The lamp grooves 15 and 16 reflect the light emitted from the hole 11a.SELECTED DRAWING: Figure 5
Inventors:
Seiichiro Sudo
Application Number:
JP2018241632A
Publication Date:
March 14, 2023
Filing Date:
December 25, 2018
Export Citation:
Assignee:
Yazaki Energy System Co., Ltd.
International Classes:
G08B17/10; G08B21/16
Domestic Patent References:
| JP8016948A | ||||
| JP2019168914A | ||||
| JP2017084023A | ||||
| JP6030890U |
Attorney, Agent or Firm:
Patent Attorney Corporation Eiko Office