DE3533548A1 - Leuchtstofflampen-vorschaltgeraet - Google Patents
Leuchtstofflampen-vorschaltgeraetInfo
- Publication number
- DE3533548A1 DE3533548A1 DE19853533548 DE3533548A DE3533548A1 DE 3533548 A1 DE3533548 A1 DE 3533548A1 DE 19853533548 DE19853533548 DE 19853533548 DE 3533548 A DE3533548 A DE 3533548A DE 3533548 A1 DE3533548 A1 DE 3533548A1
- Authority
- DE
- Germany
- Prior art keywords
- switching element
- current
- inductance
- fluorescent lamp
- switching
- Prior art date
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 claims description 2
- 230000000979 retarding effect Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 abstract description 2
- 230000001934 delay Effects 0.000 abstract 1
- 230000003111 delayed effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H05B41/295—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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853533548 DE3533548A1 (de) | 1985-09-20 | 1985-09-20 | Leuchtstofflampen-vorschaltgeraet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853533548 DE3533548A1 (de) | 1985-09-20 | 1985-09-20 | Leuchtstofflampen-vorschaltgeraet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3533548A1 true DE3533548A1 (de) | 1987-04-02 |
| DE3533548C2 DE3533548C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-08-25 |
Family
ID=6281463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853533548 Granted DE3533548A1 (de) | 1985-09-20 | 1985-09-20 | Leuchtstofflampen-vorschaltgeraet |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3533548A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959716A (en) * | 1975-08-14 | 1976-05-25 | The Bendix Corporation | Wide input range switching voltage regulator |
| DE2904393A1 (de) * | 1978-02-07 | 1979-08-09 | Cremer Soc | Stromrichter zur versorgung von entladungslampen und damit ausgeruesteter projektor |
-
1985
- 1985-09-20 DE DE19853533548 patent/DE3533548A1/de active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959716A (en) * | 1975-08-14 | 1976-05-25 | The Bendix Corporation | Wide input range switching voltage regulator |
| DE2904393A1 (de) * | 1978-02-07 | 1979-08-09 | Cremer Soc | Stromrichter zur versorgung von entladungslampen und damit ausgeruesteter projektor |
Non-Patent Citations (1)
| Title |
|---|
| DE-Z: Funkschau, 1973, H.8, S.255-258 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3533548C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |