Title:
点灯装置、防災照明器具及び防災照明システム
Document Type and Number:
Japanese Patent JP7153871
Kind Code:
B2
Abstract:
To notify the inspection time of an emergency power supply.SOLUTION: A lighting apparatus 4 includes a lighting circuit 41, a power supply timer 421, an inspection timer 422, and a notification part (notification circuit 43). The lighting circuit 41 lights a light source 2 with power supplied from an emergency power supply (battery 3) when an external power supply 9 stops. The emergency power supply is charged with power supplied from the external power supply 9. The power supply timer 421 counts the usage period of the emergency power supply. The inspection timer 422 counts, as an uninspected period, a period after inspection in which the emergency power supply is discharged has completed. When the usage period counted by the power supply timer 421 reaches a notification period, the notification part performs notification by at least one of light, sound and an identifier.SELECTED DRAWING: Figure 1
Inventors:
Hiroshi Konishi
Koji Yamashita
Sana Yagi
Yoshiaki Honda
Takaaki Ueda
Koji Yamashita
Sana Yagi
Yoshiaki Honda
Takaaki Ueda
Application Number:
JP2018150899A
Publication Date:
October 17, 2022
Filing Date:
August 09, 2018
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H05B47/10; F21S9/02; F21V23/00
Domestic Patent References:
| JP2008108697A | ||||
| JP2016042756A | ||||
| JP2017169366A | ||||
| JP2016034198A |
Attorney, Agent or Firm:
Patent business corporation Hokuto patent office