IN137730B - - Google Patents
Info
- Publication number
- IN137730B IN137730B IN341/CAL/73A IN341CA1973A IN137730B IN 137730 B IN137730 B IN 137730B IN 341CA1973 A IN341CA1973 A IN 341CA1973A IN 137730 B IN137730 B IN 137730B
- Authority
- IN
- India
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
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 |
|---|---|
| IN137730B true IN137730B (xx) | 1975-09-13 |
Family
ID=9829649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN341/CAL/73A IN137730B (xx) | 1972-02-16 | 1973-02-16 |
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) |
Families Citing this family (12)
| 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 |
| JPS5782100U (xx) * | 1980-11-07 | 1982-05-20 | ||
| EP0091432A1 (en) * | 1981-10-13 | 1983-10-19 | 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 DE DE19732307416 patent/DE2307416A1/de active Pending
- 1973-02-15 NL NL7302136A patent/NL7302136A/xx unknown
- 1973-02-15 US US00332717A patent/US3857063A/en not_active Expired - Lifetime
- 1973-02-16 IN IN341/CAL/73A patent/IN137730B/en unknown
- 1973-02-16 AU AU52276/73A patent/AU5227673A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU5227673A (en) | 1974-08-22 |
| DE2307416A1 (de) | 1973-08-23 |
| ZA731022B (en) | 1973-11-28 |
| US3857063A (en) | 1974-12-24 |
| NL7302136A (xx) | 1973-08-20 |
| GB1387842A (en) | 1975-03-19 |