BE718701A - - Google Patents
Info
- Publication number
- BE718701A BE718701A BE718701DA BE718701A BE 718701 A BE718701 A BE 718701A BE 718701D A BE718701D A BE 718701DA BE 718701 A BE718701 A BE 718701A
- Authority
- BE
- Belgium
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
- H05B41/044—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes
- H05B41/046—Starting switches using semiconductor devices for lamp provided with pre-heating electrodes using controlled semiconductor devices
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6710431A NL162814C (nl) | 1967-07-28 | 1967-07-28 | Inrichting voor het ontsteken en bedrijven van een gas- en/of dampontladingsbuis. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE718701A true BE718701A (en:Method) | 1969-01-27 |
Family
ID=19800820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE718701D BE718701A (en:Method) | 1967-07-28 | 1968-07-26 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT291391B (en:Method) |
| BE (1) | BE718701A (en:Method) |
| CH (1) | CH477801A (en:Method) |
| DE (1) | DE1764624C3 (en:Method) |
| ES (1) | ES356518A1 (en:Method) |
| FR (1) | FR1581149A (en:Method) |
| GB (1) | GB1208489A (en:Method) |
| NL (1) | NL162814C (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5037938B1 (en:Method) * | 1969-04-22 | 1975-12-05 | ||
| US3942070A (en) * | 1974-09-10 | 1976-03-02 | Hitachi, Ltd. | Electric discharge lamp lighting device |
| NL179697C (nl) * | 1975-02-21 | 1986-10-16 | Philips Nv | Inrichting voor het ontsteken en voeden van een gas- en/of dampontladingslamp. |
| JPS5636073Y1 (en:Method) * | 1975-07-10 | 1981-08-25 | ||
| JPS5353325Y1 (en:Method) * | 1975-10-01 | 1978-12-20 | ||
| NL7613356A (nl) * | 1976-12-01 | 1978-06-05 | Philips Nv | Starter voor het ontsteken van een gas- en/of dampontladingslamp. |
| DE3137940C2 (de) * | 1981-09-24 | 1985-08-29 | Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg | Elektronisches Vorschaltgerät für mindestens eine Leuchtstofflampe |
| US4511823A (en) * | 1982-06-01 | 1985-04-16 | Eaton William L | Reduction of harmonics in gas discharge lamp ballasts |
| EP2019717B1 (en) * | 2006-05-12 | 2009-10-28 | Heartsine Technologies Limited | Switching circuit |
-
1967
- 1967-07-28 NL NL6710431A patent/NL162814C/xx not_active IP Right Cessation
-
1968
- 1968-07-06 DE DE19681764624 patent/DE1764624C3/de not_active Expired
- 1968-07-25 CH CH1113668A patent/CH477801A/de not_active IP Right Cessation
- 1968-07-25 GB GB3561968A patent/GB1208489A/en not_active Expired
- 1968-07-25 AT AT722968A patent/AT291391B/de not_active IP Right Cessation
- 1968-07-26 ES ES356518A patent/ES356518A1/es not_active Expired
- 1968-07-26 BE BE718701D patent/BE718701A/xx not_active IP Right Cessation
- 1968-07-29 FR FR1581149D patent/FR1581149A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1208489A (en) | 1970-10-14 |
| FR1581149A (en:Method) | 1969-09-12 |
| CH477801A (de) | 1969-08-31 |
| DE1764624B2 (de) | 1974-10-17 |
| DE1764624A1 (de) | 1971-09-09 |
| NL162814B (nl) | 1980-01-15 |
| AT291391B (de) | 1971-07-12 |
| NL162814C (nl) | 1980-06-16 |
| NL6710431A (en:Method) | 1969-01-30 |
| DE1764624C3 (de) | 1975-06-26 |
| ES356518A1 (es) | 1970-01-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN Effective date: 19870731 |