Title:
防災用照明器具
Document Type and Number:
Japanese Patent JP7261974
Kind Code:
B2
Abstract:
To easily give notice of a small electric variable related to electric power supplied from an external power supply to a lighting circuit even when the lighting circuit is a power supply separate type supplied with electric power from the external power supply.SOLUTION: A lighting fixture 1 comprises a light source, a lighting circuit 31, a determination unit 36, and a notification unit (for example, a monitor lamp 35). The light circuit 31 is stored in a main body, and supplied with electric power from an external power supply 6 provided outside the main body to turn on the light source. The determination unit 36 determines whether an electric variable related to the electric power supplied from the external power supply 6 to the lighting circuit 31 is within a reference range. The notification unit gives notice of a determination result of the determination unit 36 when the determination unit 36 determines that the electric variable is not within the reference range.SELECTED DRAWING: Figure 1
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Inventors:
Takeshi Jinnai
Application Number:
JP2018018703A
Publication Date:
April 21, 2023
Filing Date:
February 05, 2018
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H05B47/20; F21V23/00; F21V25/00
Domestic Patent References:
| JP2009158113A | ||||
| JP2015159036A | ||||
| JP2015103364A | ||||
| JP2013008616A |
Attorney, Agent or Firm:
Hokuto Patent Attorneys Office