FR2450026B1 - - Google Patents
Info
- Publication number
- FR2450026B1 FR2450026B1 FR8003942A FR8003942A FR2450026B1 FR 2450026 B1 FR2450026 B1 FR 2450026B1 FR 8003942 A FR8003942 A FR 8003942A FR 8003942 A FR8003942 A FR 8003942A FR 2450026 B1 FR2450026 B1 FR 2450026B1
- Authority
- FR
- France
- 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
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/2825—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices by means of a bridge converter in the final stage
-
- 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
-
- 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
- Y10S315/07—Starting and control circuits for gas discharge lamp using transistors
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/015,530 US4188661A (en) | 1979-02-23 | 1979-02-23 | Direct drive ballast with starting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2450026A1 FR2450026A1 (fr) | 1980-09-19 |
| FR2450026B1 true FR2450026B1 (US07179912-20070220-C00144.png) | 1984-10-26 |
Family
ID=21771947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8003942A Granted FR2450026A1 (fr) | 1979-02-23 | 1980-02-22 | Circuit ballast a commande directe pourvu d'un circuit de demarrage pour lampes fluorescentes |
Country Status (8)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677345A (en) * | 1980-08-14 | 1987-06-30 | Nilssen Ole K | Inverter circuits |
| US4417181A (en) * | 1979-07-06 | 1983-11-22 | Sonelt Corporation | Electronic ballast |
| DE2950411C2 (de) * | 1979-12-14 | 1986-07-03 | Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen | Gleichrichtervorrichtung mit gesiebter Ausgangsspannung |
| SE418775B (sv) * | 1980-07-18 | 1981-06-22 | Aos Metall Mek Verk | Sett och anordning for att eliminera obehag fororsakande flimmer vid betraktande av rontgenfilm i ljusskap |
| US4392085A (en) * | 1980-12-19 | 1983-07-05 | Gte Products Corporation | Direct drive ballast with delayed starting circuit |
| US4353009A (en) * | 1980-12-19 | 1982-10-05 | Gte Products Corporation | Dimming circuit for an electronic ballast |
| US4353010A (en) * | 1980-12-19 | 1982-10-05 | Gte Products Corporation | Transistor drive scheme for fluorscent lamp ballast |
| US4396866A (en) * | 1980-12-29 | 1983-08-02 | Gte Products Corporation | Lamp filament drive scheme providing for control of filament voltages by use of lamp current in solid state ballasts |
| US4459516A (en) * | 1981-07-06 | 1984-07-10 | Zelina William B | Line operated fluorescent lamp inverter ballast |
| US4562383A (en) * | 1981-07-31 | 1985-12-31 | Siemens Aktiengesellschaft | Converter |
| US4408154A (en) * | 1981-09-02 | 1983-10-04 | General Electric Company | Dual voltage power supply with input filter |
| US4481460A (en) * | 1982-02-08 | 1984-11-06 | Siemens Aktiengesellschaft | Inverter with charging regulator having a variable keying ratio |
| US4532456A (en) * | 1982-07-12 | 1985-07-30 | Gte Products Corporation | Output circuit for an electronic ballast system |
| CA1238078A (en) * | 1982-07-12 | 1988-06-14 | William C. Knoll | Output circuit for an electronic ballast system |
| US4484108A (en) * | 1982-08-02 | 1984-11-20 | North American Philips Corporation | High frequency ballast-ignition system for discharge lamps |
| US4928039A (en) * | 1984-12-04 | 1990-05-22 | Nilssen Ole K | Electronic ballast with lamp pre-conditioning |
| JPS5950781A (ja) * | 1982-09-14 | 1984-03-23 | Matsushita Electric Works Ltd | 電源装置 |
| AU2708684A (en) * | 1983-05-05 | 1984-11-08 | Dubank Electronics Pty. Ltd. | Electronic ballast and starter |
| US4572990A (en) * | 1983-11-23 | 1986-02-25 | International Energy Conservation Systems | Electronic transformer system for neon lamps |
| CA1231131A (en) * | 1984-12-13 | 1988-01-05 | Brian Lees | Disabled diac start-up technique |
| US4888525A (en) * | 1985-05-17 | 1989-12-19 | Nilssen Ole K | Sun tanning apparatus having electronic operating system |
| NZ212682A (en) * | 1985-07-08 | 1989-11-28 | Thorn Emi Lighting Nz Ltd | Self resonant inverter as electronic ballast for discharge lamp |
| US4977351A (en) * | 1986-11-18 | 1990-12-11 | Bavco Manufacturing Company, Inc. | Emergency lighting system |
| US4855646A (en) * | 1987-05-27 | 1989-08-08 | Techni-Quip Corp. | Fluorescent illuminator with inverter power supply |
| US5021717A (en) * | 1989-10-02 | 1991-06-04 | Nilssen Ole K | Operating system for multiple fluorescent lamps |
| WO1991016802A1 (en) * | 1990-04-26 | 1991-10-31 | Smallwood Robert C | Electronic lamp ballast for gas discharge lamp |
| US5144195B1 (en) * | 1991-05-28 | 1995-01-03 | Motorola Lighting Inc | Circuit for driving at least one gas discharge lamp |
| US5416388A (en) * | 1993-12-09 | 1995-05-16 | Motorola Lighting, Inc. | Electronic ballast with two transistors and two transformers |
| US5581161A (en) * | 1994-07-13 | 1996-12-03 | Gong; Mingfu | DC coupled electronic ballast with a larger DC and smaller AC signal |
| US5806055A (en) * | 1996-12-19 | 1998-09-08 | Zinda, Jr.; Kenneth L. | Solid state ballast system for metal halide lighting using fuzzy logic control |
| US5838552A (en) * | 1997-04-01 | 1998-11-17 | Lucent Technologies Inc | Asymmetrical power converter and method of operation thereof |
| US20110128656A1 (en) * | 2006-12-22 | 2011-06-02 | Mdl Corporation | Output short circuit protection for electronic transformers |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3753071A (en) * | 1972-06-15 | 1973-08-14 | Westinghouse Electric Corp | Low cost transistorized inverter |
| JPS536795B2 (US07179912-20070220-C00144.png) * | 1972-09-30 | 1978-03-11 | ||
| JPS5751236B2 (US07179912-20070220-C00144.png) * | 1974-04-19 | 1982-10-30 | ||
| US4104715A (en) * | 1977-03-10 | 1978-08-01 | Acme Electric Corp. | Alternating current to alternating current converter apparatus |
| US4109307A (en) * | 1977-05-04 | 1978-08-22 | Gte Sylvania Incorporated | High power factor conversion circuitry |
| US4127795A (en) * | 1977-08-19 | 1978-11-28 | Gte Sylvania Incorporated | Lamp ballast circuit |
| US4127893A (en) * | 1977-08-17 | 1978-11-28 | Gte Sylvania Incorporated | Tuned oscillator ballast circuit with transient compensating means |
-
1979
- 1979-02-23 US US06/015,530 patent/US4188661A/en not_active Expired - Lifetime
- 1979-10-31 NL NL7907987A patent/NL7907987A/nl not_active Application Discontinuation
- 1979-11-09 JP JP14458179A patent/JPS55115298A/ja active Pending
- 1979-11-12 BE BE2/58201A patent/BE879955A/fr not_active IP Right Cessation
- 1979-11-15 IT IT27296/79A patent/IT1125697B/it active
- 1979-11-30 DE DE19792948288 patent/DE2948288A1/de not_active Withdrawn
-
1980
- 1980-02-08 CA CA345,277A patent/CA1097729A/en not_active Expired
- 1980-02-22 FR FR8003942A patent/FR2450026A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE879955A (fr) | 1980-03-03 |
| US4188661A (en) | 1980-02-12 |
| JPS55115298A (en) | 1980-09-05 |
| CA1097729A (en) | 1981-03-17 |
| DE2948288A1 (de) | 1980-08-28 |
| NL7907987A (nl) | 1980-08-26 |
| IT1125697B (it) | 1986-05-14 |
| FR2450026A1 (fr) | 1980-09-19 |
| IT7927296A0 (it) | 1979-11-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |