JPS5498066A - Discharge lamp lighting device - Google Patents
Discharge lamp lighting deviceInfo
- Publication number
- JPS5498066A JPS5498066A JP398278A JP398278A JPS5498066A JP S5498066 A JPS5498066 A JP S5498066A JP 398278 A JP398278 A JP 398278A JP 398278 A JP398278 A JP 398278A JP S5498066 A JPS5498066 A JP S5498066A
- Authority
- JP
- Japan
- Prior art keywords
- triak
- discharge lamp
- capacitor
- pulse generating
- current
- 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)
Abstract
PURPOSE: To provide the subject device wherein a triak in a fundamental circuit is concurrently used as a part of a pulse generating circuit, and, at the same time, a pusle generating capacitor is used concurrently for absorbing surge, whereby direct lighting is made possible by a low voltage source and radio wave hindrance can be prevented.
CONSTITUTION: When a triak 5 at the time a discharge lamp 4 is non-flashing is in an interrupted state, vibratory current is caused to flow to a closed circuit formed by power source 1, inductance 2, capacitor 3, tertiary coil 8, secondary coil 9, pulse generating capacitor 11, and primary coil 10, and the capacitor 11 is charged. Then, when a signal is sent to the gate 6 of the triak 5, the triak 5 assumes a conductive state, and an instantaneous induction voltage is generated at the primary coil 10, as a result of which the discharge lamp 4 is lighted. When the discharge lamp 4 is lighted, a gate signal is sent to a triak 13, and the triak 13 becomes conductive and the current suspends to flow to the closed circuit to which a current has flowed at the starting time of the discharge lamp and the pulse generating circuit stops functioning.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP398278A JPS5498066A (en) | 1978-01-17 | 1978-01-17 | Discharge lamp lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP398278A JPS5498066A (en) | 1978-01-17 | 1978-01-17 | Discharge lamp lighting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5498066A true JPS5498066A (en) | 1979-08-02 |
Family
ID=11572234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP398278A Pending JPS5498066A (en) | 1978-01-17 | 1978-01-17 | Discharge lamp lighting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5498066A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59160998A (en) * | 1983-03-04 | 1984-09-11 | 和光電気株式会社 | Device for firing discharge lamp |
US5594308A (en) * | 1995-08-29 | 1997-01-14 | Hubbell Incorporated | High intensity discharge lamp starting circuit with automatic disablement of starting pulses |
US5663612A (en) * | 1996-04-30 | 1997-09-02 | Hubbell Incorporated | Apparatus for dimming discharge lamp having electromagnetic regulator with selectively tapped capacitance winding |
US5825139A (en) * | 1995-11-02 | 1998-10-20 | Hubbell Incorporated | Lamp driven voltage transformation and ballasting system |
US5962988A (en) * | 1995-11-02 | 1999-10-05 | Hubbell Incorporated | Multi-voltage ballast and dimming circuits for a lamp drive voltage transformation and ballasting system |
US6114816A (en) * | 1994-12-16 | 2000-09-05 | Hubbell Incorporated | Lighting control system for discharge lamps |
-
1978
- 1978-01-17 JP JP398278A patent/JPS5498066A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59160998A (en) * | 1983-03-04 | 1984-09-11 | 和光電気株式会社 | Device for firing discharge lamp |
US6114816A (en) * | 1994-12-16 | 2000-09-05 | Hubbell Incorporated | Lighting control system for discharge lamps |
US5594308A (en) * | 1995-08-29 | 1997-01-14 | Hubbell Incorporated | High intensity discharge lamp starting circuit with automatic disablement of starting pulses |
US5825139A (en) * | 1995-11-02 | 1998-10-20 | Hubbell Incorporated | Lamp driven voltage transformation and ballasting system |
US5962988A (en) * | 1995-11-02 | 1999-10-05 | Hubbell Incorporated | Multi-voltage ballast and dimming circuits for a lamp drive voltage transformation and ballasting system |
US5663612A (en) * | 1996-04-30 | 1997-09-02 | Hubbell Incorporated | Apparatus for dimming discharge lamp having electromagnetic regulator with selectively tapped capacitance winding |
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