AU459680B2 - Lamp ballast apparatus - Google Patents
Lamp ballast apparatusInfo
- Publication number
- AU459680B2 AU459680B2 AU57437/73A AU5743773A AU459680B2 AU 459680 B2 AU459680 B2 AU 459680B2 AU 57437/73 A AU57437/73 A AU 57437/73A AU 5743773 A AU5743773 A AU 5743773A AU 459680 B2 AU459680 B2 AU 459680B2
- Authority
- AU
- Australia
- Prior art keywords
- lamp ballast
- ballast apparatus
- lamp
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/08—High-leakage transformers or inductances
- H01F38/10—Ballasts, e.g. for discharge lamps
-
- 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
- H05B41/391—Controlling the intensity of light continuously using saturable magnetic devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27594772A | 1972-07-28 | 1972-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU5743773A AU5743773A (en) | 1975-01-09 |
AU459680B2 true AU459680B2 (en) | 1975-04-10 |
Family
ID=23054476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU57437/73A Expired AU459680B2 (en) | 1972-07-28 | 1973-06-27 | Lamp ballast apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US3772565A (en) |
AU (1) | AU459680B2 (en) |
ES (1) | ES417279A1 (en) |
GB (1) | GB1428708A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3873910A (en) * | 1973-10-18 | 1975-03-25 | Gen Electric | Ballast control device |
US4016452A (en) * | 1975-01-14 | 1977-04-05 | General Electric Company | Lamp ballast circuit |
GB2140229A (en) * | 1983-05-17 | 1984-11-21 | Emi Plc Thorn | Discharge lamp start and supply circuit |
US4591763A (en) * | 1983-07-14 | 1986-05-27 | Wanasz Michael J | Electric generator system for portable floodlighting equipment |
US5406175A (en) * | 1993-10-26 | 1995-04-11 | General Electric Company | Lead ballast circuit with power regulation for a gas discharge lamp |
DE19530746A1 (en) * | 1995-08-22 | 1997-02-27 | Bosch Gmbh Robert | Circuit arrangement for operating a high-pressure gas discharge lamp with alternating current |
US6225757B1 (en) | 2000-05-19 | 2001-05-01 | Magnetek Corp. | Combination MH/HPS ballast |
JP5136824B2 (en) * | 2007-03-09 | 2013-02-06 | ソニー株式会社 | Projector and control method thereof |
US8016433B2 (en) * | 2007-03-09 | 2011-09-13 | Sony Corporation | Projector and control method thereof |
JP4433320B2 (en) * | 2007-03-09 | 2010-03-17 | ソニー株式会社 | Projector and control method thereof |
JP2008224870A (en) * | 2007-03-09 | 2008-09-25 | Sony Corp | Projector and its control method |
JP5109527B2 (en) * | 2007-08-03 | 2012-12-26 | ソニー株式会社 | Image forming apparatus, control method therefor, and program |
US7847664B2 (en) * | 2009-05-06 | 2010-12-07 | Verde Power Supply, Inc. | Electromagnetic apparatus using shared flux in a multi-load parallel magnetic circuit and method of operation |
US9425644B1 (en) | 2015-06-03 | 2016-08-23 | Thor Charger Company | Method and apparatus for charging an electrically chargeable device utilizing resonating magnetic oscillations in the apparatus |
CN111096076A (en) | 2017-09-01 | 2020-05-01 | 特雷斯托托私人有限公司 | Lighting control circuit, lighting device and method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2578395A (en) * | 1947-09-25 | 1951-12-11 | Gen Electric | Electrical ballast |
US2470460A (en) * | 1948-06-05 | 1949-05-17 | Hanovia Chemical & Mfg Co | Wattage controlling system |
US3061759A (en) * | 1951-06-27 | 1962-10-30 | Advance Transformer Co | Circuit for starting and operating discharge tubes |
US2930998A (en) * | 1956-02-09 | 1960-03-29 | Ward Leonard Electric Co | Fluorescent lamp dimming ballast |
US3059143A (en) * | 1960-05-09 | 1962-10-16 | Basic Products Corp | Ballast for discharge devices |
US3684921A (en) * | 1970-08-31 | 1972-08-15 | Luis F De Leon | Illuminating apparatus and ballast circuit |
US3679931A (en) * | 1970-09-16 | 1972-07-25 | Gen Electric | Apparatus for operating electric discharge lamps and auxiliary lighting lamps |
-
1972
- 1972-07-28 US US00275947A patent/US3772565A/en not_active Expired - Lifetime
-
1973
- 1973-06-27 AU AU57437/73A patent/AU459680B2/en not_active Expired
- 1973-07-25 GB GB3543473A patent/GB1428708A/en not_active Expired
- 1973-07-26 ES ES417279A patent/ES417279A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5743773A (en) | 1975-01-09 |
US3772565A (en) | 1973-11-13 |
ES417279A1 (en) | 1976-03-16 |
GB1428708A (en) | 1976-03-17 |
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