JPS5142377A - - Google Patents
Info
- Publication number
- JPS5142377A JPS5142377A JP50095065A JP9506575A JPS5142377A JP S5142377 A JPS5142377 A JP S5142377A JP 50095065 A JP50095065 A JP 50095065A JP 9506575 A JP9506575 A JP 9506575A JP S5142377 A JPS5142377 A JP S5142377A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H05B41/231—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 high-pressure lamps
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/510,287 US3931543A (en) | 1974-09-30 | 1974-09-30 | Starting and operating circuit for gaseous discharge lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5142377A true JPS5142377A (ja) | 1976-04-09 |
Family
ID=24030143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50095065A Pending JPS5142377A (ja) | 1974-09-30 | 1975-08-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3931543A (ja) |
| JP (1) | JPS5142377A (ja) |
| CA (1) | CA1060536A (ja) |
| ES (1) | ES441403A1 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143304A (en) * | 1976-10-06 | 1979-03-06 | Westinghouse Electric Corp. | Positive starting and operating apparatus for high-pressure sodium lamps |
| US4123690A (en) * | 1977-03-07 | 1978-10-31 | General Electric Company | Discharge lamp ballast circuit |
| JPS5586063A (en) * | 1978-12-22 | 1980-06-28 | Mitsubishi Electric Corp | Discharge lamp |
| US4999547A (en) * | 1986-09-25 | 1991-03-12 | Innovative Controls, Incorporated | Ballast for high pressure sodium lamps having constant line and lamp wattage |
| DE8814726U1 (de) * | 1988-11-25 | 1989-06-29 | Gigatape Systeme für Datensicherung GmbH, 8039 Puchheim | Streifenförmiger Datenträger |
| US6534929B2 (en) * | 2000-07-28 | 2003-03-18 | Koninklijke Philips Electronics N.V. | Electromagnetic ballast for sequentially starting a plurality of a gaseous discharge lamps |
| US6570341B2 (en) * | 2000-07-28 | 2003-05-27 | Koninklijke Philips Electronics N.V. | Electromagnetic ballast for serially connected gaseous discharge lamps |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2760118A (en) * | 1951-09-01 | 1956-08-21 | Hartford Nat Bank & Trust Co | Electric discharge lighting apparatus |
| US2682014A (en) * | 1952-05-19 | 1954-06-22 | Advance Transformer Co | Apparatus for starting and operating gaseous discharge devices |
| US2686906A (en) * | 1952-11-26 | 1954-08-17 | Gen Electric | High-reactance ballast transformer |
| US3235769A (en) * | 1962-12-27 | 1966-02-15 | Gen Electric | Starting circuit for discharge lamps |
-
1974
- 1974-09-30 US US05/510,287 patent/US3931543A/en not_active Expired - Lifetime
-
1975
- 1975-08-06 JP JP50095065A patent/JPS5142377A/ja active Pending
- 1975-09-03 CA CA234,728A patent/CA1060536A/en not_active Expired
- 1975-09-30 ES ES441403A patent/ES441403A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES441403A1 (es) | 1977-03-01 |
| CA1060536A (en) | 1979-08-14 |
| US3931543A (en) | 1976-01-06 |