JPS5498066A - Discharge lamp lighting device - Google Patents

Discharge lamp lighting device

Info

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
Application number
JP398278A
Other languages
Japanese (ja)
Inventor
Koji Nishimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP398278A priority Critical patent/JPS5498066A/en
Publication of JPS5498066A publication Critical patent/JPS5498066A/en
Pending legal-status Critical Current

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
JP398278A 1978-01-17 1978-01-17 Discharge lamp lighting device Pending JPS5498066A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
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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