JPS5416866A - Device for flashing emergency lighting apparatus - Google Patents
Device for flashing emergency lighting apparatusInfo
- Publication number
- JPS5416866A JPS5416866A JP8218977A JP8218977A JPS5416866A JP S5416866 A JPS5416866 A JP S5416866A JP 8218977 A JP8218977 A JP 8218977A JP 8218977 A JP8218977 A JP 8218977A JP S5416866 A JPS5416866 A JP S5416866A
- Authority
- JP
- Japan
- Prior art keywords
- lighting apparatus
- emergency lighting
- flashing
- flashing emergency
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
PURPOSE:To provide a flashing device which makes it possible to increase the lighting time of lamps and extend the life thereof under lower voltage of the battery by means of a voltage detecting circuit adapted to half the action of a flashing control circuit of a switching element in the on-state as the voltage of the battery drops below the given level.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8218977A JPS5416866A (en) | 1977-07-08 | 1977-07-08 | Device for flashing emergency lighting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8218977A JPS5416866A (en) | 1977-07-08 | 1977-07-08 | Device for flashing emergency lighting apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5416866A true JPS5416866A (en) | 1979-02-07 |
Family
ID=13767480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8218977A Pending JPS5416866A (en) | 1977-07-08 | 1977-07-08 | Device for flashing emergency lighting apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5416866A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5858525A (en) * | 1981-10-02 | 1983-04-07 | Ricoh Co Ltd | Optical switch |
US5949195A (en) * | 1996-12-31 | 1999-09-07 | Wli Industries, Inc. | Apparatus and method for extending useful life of barricade warning light |
-
1977
- 1977-07-08 JP JP8218977A patent/JPS5416866A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5858525A (en) * | 1981-10-02 | 1983-04-07 | Ricoh Co Ltd | Optical switch |
US5949195A (en) * | 1996-12-31 | 1999-09-07 | Wli Industries, Inc. | Apparatus and method for extending useful life of barricade warning light |
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