GB1428517A - Electric apparatus provided with at least two gas and/or vapour discharge lamps - Google Patents
Electric apparatus provided with at least two gas and/or vapour discharge lampsInfo
- Publication number
- GB1428517A GB1428517A GB5747973A GB5747973A GB1428517A GB 1428517 A GB1428517 A GB 1428517A GB 5747973 A GB5747973 A GB 5747973A GB 5747973 A GB5747973 A GB 5747973A GB 1428517 A GB1428517 A GB 1428517A
- Authority
- GB
- United Kingdom
- Prior art keywords
- source
- gas
- discharge lamps
- current
- lamp
- 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.)
- Expired
Links
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 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
- H05B41/16—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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7217052A NL7217052A (enExample) | 1972-12-15 | 1972-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1428517A true GB1428517A (en) | 1976-03-17 |
Family
ID=19817551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5747973A Expired GB1428517A (en) | 1972-12-15 | 1973-12-12 | Electric apparatus provided with at least two gas and/or vapour discharge lamps |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4989360A (enExample) |
| AT (1) | AT348619B (enExample) |
| AU (1) | AU6349973A (enExample) |
| BE (1) | BE808601A (enExample) |
| CA (1) | CA1003895A (enExample) |
| DE (1) | DE2359014A1 (enExample) |
| FR (1) | FR2328379A7 (enExample) |
| GB (1) | GB1428517A (enExample) |
| NL (1) | NL7217052A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2306810A (en) * | 1995-10-20 | 1997-05-07 | Central Research Lab Ltd | Controlling the brightness of a glow discharge |
-
1972
- 1972-12-15 NL NL7217052A patent/NL7217052A/xx not_active Application Discontinuation
-
1973
- 1973-11-27 DE DE19732359014 patent/DE2359014A1/de active Pending
- 1973-12-12 GB GB5747973A patent/GB1428517A/en not_active Expired
- 1973-12-12 JP JP13784973A patent/JPS4989360A/ja active Pending
- 1973-12-12 AT AT1040073A patent/AT348619B/de not_active IP Right Cessation
- 1973-12-12 CA CA188,002A patent/CA1003895A/en not_active Expired
- 1973-12-12 AU AU63499/73A patent/AU6349973A/en not_active Expired
- 1973-12-13 BE BE138838A patent/BE808601A/xx unknown
- 1973-12-13 FR FR7344568A patent/FR2328379A7/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2306810A (en) * | 1995-10-20 | 1997-05-07 | Central Research Lab Ltd | Controlling the brightness of a glow discharge |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1003895A (en) | 1977-01-18 |
| ATA1040073A (de) | 1978-07-15 |
| AT348619B (de) | 1979-02-26 |
| DE2359014A1 (de) | 1974-06-27 |
| JPS4989360A (enExample) | 1974-08-27 |
| BE808601A (fr) | 1974-06-13 |
| NL7217052A (enExample) | 1974-06-18 |
| AU6349973A (en) | 1975-06-12 |
| FR2328379A7 (fr) | 1977-05-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |