FI750811A - - Google Patents
Info
- Publication number
- FI750811A FI750811A FI750811A FI750811A FI750811A FI 750811 A FI750811 A FI 750811A FI 750811 A FI750811 A FI 750811A FI 750811 A FI750811 A FI 750811A FI 750811 A FI750811 A FI 750811A
- Authority
- FI
- Finland
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
- H05B41/232—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 low-pressure lamps
- H05B41/2325—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 low-pressure lamps provided with pre-heating electrodes
-
- 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 |
|---|---|---|---|
| CH430374A CH559998A5 (US20110009641A1-20110113-C00185.png) | 1974-03-28 | 1974-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI750811A true FI750811A (US20110009641A1-20110113-C00185.png) | 1975-09-29 |
Family
ID=4273557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI750811A FI750811A (US20110009641A1-20110113-C00185.png) | 1974-03-28 | 1975-03-19 |
Country Status (17)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2808261C3 (de) * | 1978-02-25 | 1981-02-05 | Peter 7750 Konstanz Kreutzer | Schaltungsanordnung zum Zünden und zum Betrieb einer Leuchtstofflampe mit vorheizbaren Elektroden an einem transistorisierten Wechselrichter |
| FR2469856A2 (fr) * | 1978-11-10 | 1981-05-22 | Abadie Henri | Dispositif d'alimentation de lampe a decharge et notamment de tube fluorescent |
| FR2446579A1 (fr) * | 1978-11-10 | 1980-08-08 | Abadie Henri | Perfectionnements aux dispositifs d'alimentation de tube fluorescent |
| DE3062780D1 (en) * | 1979-11-12 | 1983-05-19 | Henri Abadie | Feeding device for a discharge lamp with preheating circuit |
| NL8304333A (nl) * | 1983-12-16 | 1985-07-16 | Philips Nv | Elektrische inrichting voor het ontsteken en voeden van een gas- en/of dampontladingslamp. |
| US4593231A (en) * | 1984-04-09 | 1986-06-03 | Advance Transformer Co. | Three-way fluorescent lamp device |
| US4899087A (en) * | 1987-02-12 | 1990-02-06 | Xerox Corporation | Triggering circuit for series connected flash lamps |
| AT392385B (de) * | 1988-11-24 | 1991-03-25 | Narva Veb | Schaltungsanordnung fuer die zuendung und den betrieb einer niederdruckentladungslampe |
| US5606222A (en) * | 1994-12-29 | 1997-02-25 | Philips Electronics North America Corporation | Lighting system with a device for reducing system wattage |
| US5998941A (en) * | 1997-08-21 | 1999-12-07 | Parra; Jorge M. | Low-voltage high-efficiency fluorescent signage, particularly exit sign |
| US6034485A (en) * | 1997-11-05 | 2000-03-07 | Parra; Jorge M. | Low-voltage non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| US6300722B1 (en) | 1997-11-05 | 2001-10-09 | Jorge M. Parra | Non-thermionic ballast-free energy-efficient light-producing gas discharge system and method |
| US6072284A (en) * | 1998-07-20 | 2000-06-06 | Duro-Test Corporation | Three-way compact fluorescent lamp ballast and lamp holder incorporating same |
| US6465971B1 (en) | 1999-06-02 | 2002-10-15 | Jorge M. Parra | Plastic “trofer” and fluorescent lighting system |
| US6411041B1 (en) | 1999-06-02 | 2002-06-25 | Jorge M. Parra | Non-thermionic fluorescent lamps and lighting systems |
| US6936973B2 (en) * | 2002-05-31 | 2005-08-30 | Jorge M. Parra, Sr. | Self-oscillating constant-current gas discharge device lamp driver and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3324349A (en) * | 1963-04-16 | 1967-06-06 | Philips Corp | Device employing two gas- and/or vapour-discharge tubes |
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1974
- 1974-03-28 CH CH430374A patent/CH559998A5/xx not_active IP Right Cessation
- 1974-04-02 DE DE2415880A patent/DE2415880A1/de active Pending
-
1975
- 1975-02-26 NO NO750656A patent/NO750656L/no unknown
- 1975-02-28 GB GB858175A patent/GB1454074A/en not_active Expired
- 1975-03-03 IL IL46739A patent/IL46739A0/xx unknown
- 1975-03-06 ZA ZA00751382A patent/ZA751382B/xx unknown
- 1975-03-07 CA CA221,545A patent/CA1044309A/en not_active Expired
- 1975-03-11 JP JP50029435A patent/JPS50128375A/ja active Pending
- 1975-03-11 NL NL7502868A patent/NL7502868A/xx unknown
- 1975-03-19 AT AT209575A patent/AT341039B/de not_active IP Right Cessation
- 1975-03-19 SE SE7503100A patent/SE393917B/xx unknown
- 1975-03-19 FI FI750811A patent/FI750811A/fi not_active Application Discontinuation
- 1975-03-20 BE BE154551A patent/BE826938A/xx unknown
- 1975-03-27 AU AU79604/75A patent/AU7960475A/en not_active Expired
- 1975-03-27 US US05/556,535 patent/US3975660A/en not_active Expired - Lifetime
- 1975-03-27 FR FR7509615A patent/FR2266421B1/fr not_active Expired
- 1975-03-28 IT IT48843/75A patent/IT1035115B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2266421A1 (US20110009641A1-20110113-C00185.png) | 1975-10-24 |
| IT1035115B (it) | 1979-10-20 |
| SE393917B (sv) | 1977-05-23 |
| NO750656L (US20110009641A1-20110113-C00185.png) | 1975-09-30 |
| GB1454074A (en) | 1976-10-27 |
| SE7503100L (US20110009641A1-20110113-C00185.png) | 1975-09-29 |
| FR2266421B1 (US20110009641A1-20110113-C00185.png) | 1978-09-29 |
| IL46739A0 (en) | 1975-05-22 |
| ZA751382B (en) | 1976-02-25 |
| NL7502868A (nl) | 1975-09-30 |
| CA1044309A (en) | 1978-12-12 |
| JPS50128375A (US20110009641A1-20110113-C00185.png) | 1975-10-09 |
| DE2415880A1 (de) | 1975-10-02 |
| ATA209575A (de) | 1977-05-15 |
| AU7960475A (en) | 1976-09-30 |
| US3975660A (en) | 1976-08-17 |
| BE826938A (fr) | 1975-07-16 |
| CH559998A5 (US20110009641A1-20110113-C00185.png) | 1975-03-14 |
| AT341039B (de) | 1978-01-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |
Owner name: F. KNOBEL ELEKTRO-APPARATEBAU AG |