JPS5519776A - High voltage discharging lamp - Google Patents
High voltage discharging lampInfo
- Publication number
- JPS5519776A JPS5519776A JP9341478A JP9341478A JPS5519776A JP S5519776 A JPS5519776 A JP S5519776A JP 9341478 A JP9341478 A JP 9341478A JP 9341478 A JP9341478 A JP 9341478A JP S5519776 A JPS5519776 A JP S5519776A
- Authority
- JP
- Japan
- Prior art keywords
- bymetal
- contacts
- starting
- high voltage
- ballast
- 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
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
PURPOSE: To obtain reliable starting by constructing the bymetal with a slow action bymetal and tablet contact.
CONSTITUTION: Upon starting of power supply, the filament 12 is heated to deform the bymetal 16 thus to separate the contacts 17, 19. When closing said bymetal switch 13 high voltage pulse is produced by the inductance in the ballast to start. After starting the heat from the light emitting tube 3 maintains said bymetal switch 13 in open state. Since the bymetal 16 performs slow action, it takes relatively long time after separation of the contacts 17, 19 untill they depart enough not to produce the spark. Since said contacts 17, 19 are tablet type they cause chattering to produce inpulse voltage. Consequencly it starts reliably without causing dielectric breakdown of the ballast.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9341478A JPS5519776A (en) | 1978-07-31 | 1978-07-31 | High voltage discharging lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9341478A JPS5519776A (en) | 1978-07-31 | 1978-07-31 | High voltage discharging lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5519776A true JPS5519776A (en) | 1980-02-12 |
Family
ID=14081630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9341478A Pending JPS5519776A (en) | 1978-07-31 | 1978-07-31 | High voltage discharging lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5519776A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5530111A (en) * | 1978-08-22 | 1980-03-03 | Mitsubishi Electric Corp | Metal vapor discharging lamp with built-in starter |
JPS6191851A (en) * | 1984-10-12 | 1986-05-09 | Toshiba Corp | Starting device mounted high pressure metal vapor discharge lamp |
-
1978
- 1978-07-31 JP JP9341478A patent/JPS5519776A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5530111A (en) * | 1978-08-22 | 1980-03-03 | Mitsubishi Electric Corp | Metal vapor discharging lamp with built-in starter |
JPS6191851A (en) * | 1984-10-12 | 1986-05-09 | Toshiba Corp | Starting device mounted high pressure metal vapor discharge lamp |
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