AU4921690A - A control circuit - Google Patents

A control circuit

Info

Publication number
AU4921690A
AU4921690A AU49216/90A AU4921690A AU4921690A AU 4921690 A AU4921690 A AU 4921690A AU 49216/90 A AU49216/90 A AU 49216/90A AU 4921690 A AU4921690 A AU 4921690A AU 4921690 A AU4921690 A AU 4921690A
Authority
AU
Australia
Prior art keywords
control circuit
circuit
control
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.)
Granted
Application number
AU49216/90A
Other versions
AU628129B2 (en
Inventor
Donat Witold Majewski
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.)
TRESTOTO Pty Ltd
Original Assignee
TRESTOTO Pty 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 TRESTOTO Pty Ltd filed Critical TRESTOTO Pty Ltd
Publication of AU4921690A publication Critical patent/AU4921690A/en
Application granted granted Critical
Publication of AU628129B2 publication Critical patent/AU628129B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
    • H05B41/20—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch
    • H05B41/23—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode
    • H05B41/232—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps
    • H05B41/2325—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies having no starting switch for lamps not having an auxiliary starting electrode for low-pressure lamps provided with pre-heating electrodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
AU49216/90A 1989-02-07 1990-02-07 A control circuit Ceased AU628129B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPJ261089 1989-02-07
AUPJ2610 1989-02-07

Publications (2)

Publication Number Publication Date
AU4921690A true AU4921690A (en) 1990-08-16
AU628129B2 AU628129B2 (en) 1992-09-10

Family

ID=3773691

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49216/90A Ceased AU628129B2 (en) 1989-02-07 1990-02-07 A control circuit

Country Status (2)

Country Link
AU (1) AU628129B2 (en)
NZ (1) NZ232412A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU488460B1 (en) * 1974-07-04 1977-01-06 Ferguson Transformers Pty. Ltd Ballast arrangement
AU7789487A (en) * 1986-08-15 1988-03-08 Colin Maxwell Finch Fluorescent lamp operation
AU593434B2 (en) * 1987-05-26 1990-02-08 H.P.M. Industries Pty Limited Filament driver for fluorescent lamps

Also Published As

Publication number Publication date
AU628129B2 (en) 1992-09-10
NZ232412A (en) 1992-07-28

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