FR707770A - Improvements to discharge tubes - Google Patents
Improvements to discharge tubesInfo
- Publication number
- FR707770A FR707770A FR707770DA FR707770A FR 707770 A FR707770 A FR 707770A FR 707770D A FR707770D A FR 707770DA FR 707770 A FR707770 A FR 707770A
- Authority
- FR
- France
- Prior art keywords
- discharge tubes
- tubes
- discharge
- 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
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
- H05B41/18—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 a starting switch
- H05B41/19—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 a starting switch for lamps having an auxiliary starting electrode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR707770T | 1930-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR707770A true FR707770A (en) | 1931-07-15 |
Family
ID=9068545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR707770D Expired FR707770A (en) | 1930-03-24 | 1930-03-24 | Improvements to discharge tubes |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR707770A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966813C (en) * | 1932-07-30 | 1957-09-26 | Siemens Ag | Device for the operation of gas or vapor discharge vessels |
-
1930
- 1930-03-24 FR FR707770D patent/FR707770A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966813C (en) * | 1932-07-30 | 1957-09-26 | Siemens Ag | Device for the operation of gas or vapor discharge vessels |
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