FI812304A7 - Järjestely kuumennettavilla elektrodeilla varustetun kaasunpurkausputken käyttämiseksi. - Google Patents
Järjestely kuumennettavilla elektrodeilla varustetun kaasunpurkausputken käyttämiseksi. Download PDFInfo
- Publication number
- FI812304A7 FI812304A7 FI812304A FI812304A FI812304A7 FI 812304 A7 FI812304 A7 FI 812304A7 FI 812304 A FI812304 A FI 812304A FI 812304 A FI812304 A FI 812304A FI 812304 A7 FI812304 A7 FI 812304A7
- Authority
- FI
- Finland
- Prior art keywords
- arrangement
- gas discharge
- discharge tube
- heated electrodes
- electrodes
- Prior art date
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
- H05B41/14—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
- H05B41/295—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 and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803029644 DE3029644A1 (de) | 1980-08-05 | 1980-08-05 | Anordnung zum betrieb einer entladungslampe mit heizbaren elektroden |
| DE3115598 | 1981-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI812304A7 true FI812304A7 (fi) | 1982-02-06 |
| FI812304L FI812304L (fi) | 1982-02-06 |
Family
ID=25787078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI812304A FI812304L (fi) | 1980-08-05 | 1981-07-22 | Anordning foer drivande av ett med uppvaermningsbara elektroder foersett gasurladdningsroer |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0058683B1 (fi) |
| DE (1) | DE3168772D1 (fi) |
| FI (1) | FI812304L (fi) |
| IT (1) | IT1137760B (fi) |
| WO (1) | WO1982000561A1 (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3246454A1 (de) * | 1982-12-15 | 1984-06-20 | Siemens AG, 1000 Berlin und 8000 München | Wechselrichter mit einem einen reihenresonanzkreis und eine entladungslampe enthaltenden lastkreis |
| DE3805510A1 (de) * | 1988-02-22 | 1989-08-31 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum betrieb einer niederdruckentladungslampe |
| DE19522675A1 (de) * | 1995-06-22 | 1997-01-02 | Eckerle Ind Elektronik Gmbh | Schaltungsanordnung zur Zündung einer Leuchtstofflampe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE823160C (de) * | 1949-06-24 | 1951-12-03 | Siemens Schuckertwerke A G | Einrichtung zum Zuenden und Betrieb von gas- oder dampfgefuellten Entladungsroehren, insbesondere Leuchtstofflampen |
| US4122375A (en) * | 1976-02-06 | 1978-10-24 | Rudolf Studli | Circuit arrangement for increasing the luminous flux in fluorescent tube hand lamps |
-
1981
- 1981-07-22 FI FI812304A patent/FI812304L/fi not_active Application Discontinuation
- 1981-07-29 WO PCT/DE1981/000115 patent/WO1982000561A1/de not_active Ceased
- 1981-07-29 DE DE8181902288T patent/DE3168772D1/de not_active Expired
- 1981-07-29 EP EP81902288A patent/EP0058683B1/de not_active Expired
- 1981-07-31 IT IT23279/81A patent/IT1137760B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0058683A1 (de) | 1982-09-01 |
| IT8123279A0 (it) | 1981-07-31 |
| EP0058683B1 (de) | 1985-02-06 |
| DE3168772D1 (en) | 1985-03-21 |
| FI812304L (fi) | 1982-02-06 |
| IT1137760B (it) | 1986-09-10 |
| WO1982000561A1 (en) | 1982-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |
Owner name: SIEMENS AKTIENGESELLSCHAFT |