GB1387842A - Ballast circuits for discharge lamps - Google Patents
Ballast circuits for discharge lampsInfo
- Publication number
- GB1387842A GB1387842A GB725772A GB725772A GB1387842A GB 1387842 A GB1387842 A GB 1387842A GB 725772 A GB725772 A GB 725772A GB 725772 A GB725772 A GB 725772A GB 1387842 A GB1387842 A GB 1387842A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- circuit
- discharge lamps
- feb
- 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
- 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
- H05B41/02—Details
- H05B41/04—Starting switches
- H05B41/042—Starting switches using semiconductor devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S315/00—Electric lamp and discharge devices: systems
- Y10S315/05—Starting and operating circuit for fluorescent lamp
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB725772A GB1387842A (en) | 1972-02-16 | 1972-02-16 | Ballast circuits for discharge lamps |
ZA731022A ZA731022B (en) | 1972-02-16 | 1973-02-13 | Improvements in ballast circuits for discharge lamps |
US00332717A US3857063A (en) | 1972-02-16 | 1973-02-15 | Ballast circuits for discharge lamps |
NL7302136A NL7302136A (xx) | 1972-02-16 | 1973-02-15 | |
DE19732307416 DE2307416A1 (de) | 1972-02-16 | 1973-02-15 | Entladungslampen-ballastschaltung |
AU52276/73A AU5227673A (en) | 1972-02-16 | 1973-02-16 | Ballast circuits for discharge lamps |
IN341/CAL/73A IN137730B (xx) | 1972-02-16 | 1973-02-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB725772A GB1387842A (en) | 1972-02-16 | 1972-02-16 | Ballast circuits for discharge lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1387842A true GB1387842A (en) | 1975-03-19 |
Family
ID=9829649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB725772A Expired GB1387842A (en) | 1972-02-16 | 1972-02-16 | Ballast circuits for discharge lamps |
Country Status (7)
Country | Link |
---|---|
US (1) | US3857063A (xx) |
AU (1) | AU5227673A (xx) |
DE (1) | DE2307416A1 (xx) |
GB (1) | GB1387842A (xx) |
IN (1) | IN137730B (xx) |
NL (1) | NL7302136A (xx) |
ZA (1) | ZA731022B (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4445074A (en) * | 1980-11-07 | 1984-04-24 | Hitachi, Ltd. | Starting circuits for discharge lamps |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4394603A (en) * | 1978-09-26 | 1983-07-19 | Controlled Environment Systems Inc. | Energy conserving automatic light output system |
US4260932A (en) * | 1978-10-12 | 1981-04-07 | Vance Johnson | Method and circuit for facilitating the starting and steady state flickerless operation of a discharge lamp |
FR2454246A1 (fr) * | 1979-04-12 | 1980-11-07 | Gen Electric | Circuit d'amorcage pour lampe a arc du type haute intensite, haute pression remplie avec un gaz |
WO1983001555A1 (en) * | 1981-10-13 | 1983-04-28 | Lights Of America Inc | Circuit for starting and operating discharge lamps |
US4463285A (en) * | 1982-03-08 | 1984-07-31 | Nilssen Ole K | DC Ballasting means for fluorescent lamps |
JPS59154736A (ja) * | 1983-02-21 | 1984-09-03 | Hitachi Ltd | 低圧水銀蒸気放電灯 |
HU191319B (en) * | 1985-03-11 | 1987-02-27 | Sebestyen,Laszlo,Hu | Method and circuit arrangement for firing light sources of high firing voltage |
DE3614708A1 (de) * | 1986-04-30 | 1987-11-19 | Schmidt Michael | Steuerschaltung fuer eine lichtbogenlampe |
US4929871A (en) * | 1986-06-16 | 1990-05-29 | Gerfast Sten R | Transformerless current-limiting circuit |
US5284327A (en) * | 1992-04-29 | 1994-02-08 | Aluminum Company Of America | Extrusion quenching apparatus and related method |
JP2008211946A (ja) * | 2007-02-28 | 2008-09-11 | Sanden Corp | 電力変換装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892126A (en) * | 1956-12-26 | 1959-06-23 | Gen Electric | Starting and operating circuit for arc discharge device |
US3170084A (en) * | 1961-11-03 | 1965-02-16 | Westinghouse Electric Corp | Lamp starting and operating circuit |
US3354379A (en) * | 1966-01-26 | 1967-11-21 | Gen Electric | Rectifier circuit with voltage multiplication |
US3676735A (en) * | 1969-09-25 | 1972-07-11 | Sylvania Electric Prod | Resonator ballast for arc discharge lamps |
US3679934A (en) * | 1970-02-05 | 1972-07-25 | Hewlett Packard Co | Automatic restarting laser power supply |
US3758815A (en) * | 1972-01-04 | 1973-09-11 | Gte Sylvania Inc | Supplemental energy storage circuit for arc discharge lamps |
-
1972
- 1972-02-16 GB GB725772A patent/GB1387842A/en not_active Expired
-
1973
- 1973-02-13 ZA ZA731022A patent/ZA731022B/xx unknown
- 1973-02-15 US US00332717A patent/US3857063A/en not_active Expired - Lifetime
- 1973-02-15 NL NL7302136A patent/NL7302136A/xx unknown
- 1973-02-15 DE DE19732307416 patent/DE2307416A1/de active Pending
- 1973-02-16 IN IN341/CAL/73A patent/IN137730B/en unknown
- 1973-02-16 AU AU52276/73A patent/AU5227673A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4445074A (en) * | 1980-11-07 | 1984-04-24 | Hitachi, Ltd. | Starting circuits for discharge lamps |
Also Published As
Publication number | Publication date |
---|---|
US3857063A (en) | 1974-12-24 |
ZA731022B (en) | 1973-11-28 |
NL7302136A (xx) | 1973-08-20 |
AU5227673A (en) | 1974-08-22 |
IN137730B (xx) | 1975-09-13 |
DE2307416A1 (de) | 1973-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CSNS | Application of which complete specification have been accepted and published, but patent is not sealed |