AU4921690A - A control circuit - Google Patents
A control circuitInfo
- 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
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)
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)
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 |
-
1990
- 1990-02-07 AU AU49216/90A patent/AU628129B2/en not_active Ceased
- 1990-02-07 NZ NZ23241290A patent/NZ232412A/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU628129B2 (en) | 1992-09-10 |
NZ232412A (en) | 1992-07-28 |
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