FR2298882B1 - - Google Patents
Info
- Publication number
- FR2298882B1 FR2298882B1 FR7531180A FR7531180A FR2298882B1 FR 2298882 B1 FR2298882 B1 FR 2298882B1 FR 7531180 A FR7531180 A FR 7531180A FR 7531180 A FR7531180 A FR 7531180A FR 2298882 B1 FR2298882 B1 FR 2298882B1
- Authority
- FR
- France
- 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
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/92—Lamps with more than one main discharge path
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU7502099803A SU577588A2 (en) | 1975-01-21 | 1975-01-21 | Three-phase gas-discharge lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2298882A1 FR2298882A1 (en) | 1976-08-20 |
| FR2298882B1 true FR2298882B1 (en) | 1978-04-07 |
Family
ID=20608377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7531180A Granted FR2298882A1 (en) | 1975-01-21 | 1975-10-10 | Three-phase gas discharge lamp - has four main electrodes forming three subsequent axial discharge paths |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5252489A (en) |
| DE (1) | DE2542133C2 (en) |
| FI (1) | FI63132C (en) |
| FR (1) | FR2298882A1 (en) |
| NL (1) | NL163940C (en) |
| SU (1) | SU577588A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3159148B2 (en) | 1997-10-31 | 2001-04-23 | 日本電気株式会社 | Cold cathode tube and backlight device |
| US6876139B1 (en) * | 1999-12-28 | 2005-04-05 | Honeywell International Inc. | Partitioned flat fluorescent lamp |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR959659A (en) * | 1950-03-31 | |||
| US1958239A (en) * | 1931-04-13 | 1934-05-08 | Gen Electric | Positive column discharge device |
| DE564235C (en) * | 1931-05-16 | 1932-11-17 | Patra Patent Treuhand | Electric light tubes with glowing main electrodes |
| FR978563A (en) * | 1948-11-19 | 1951-04-16 | Improvements to fluorescent tubes | |
| DE906243C (en) * | 1949-07-19 | 1954-03-11 | Dr Hermann E Krefft | Electric metal vapor and noble gas high pressure discharge lamps equipped with fixed glow electrodes and procedures for their operation |
-
1975
- 1975-01-21 SU SU7502099803A patent/SU577588A2/en active
- 1975-09-16 FI FI752584A patent/FI63132C/en not_active IP Right Cessation
- 1975-09-22 DE DE19752542133 patent/DE2542133C2/en not_active Expired
- 1975-09-26 NL NL7511326A patent/NL163940C/en not_active IP Right Cessation
- 1975-10-10 FR FR7531180A patent/FR2298882A1/en active Granted
- 1975-10-22 JP JP12647875A patent/JPS5252489A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7511326A (en) | 1976-07-23 |
| DE2542133C2 (en) | 1983-09-15 |
| NL163940C (en) | 1980-10-15 |
| SU577588A2 (en) | 1977-10-25 |
| JPS5252489A (en) | 1977-04-27 |
| NL163940B (en) | 1980-05-16 |
| DE2542133A1 (en) | 1976-07-22 |
| JPS5633822B2 (en) | 1981-08-06 |
| FR2298882A1 (en) | 1976-08-20 |
| FI63132B (en) | 1982-12-31 |
| FI63132C (en) | 1983-04-11 |
| FI752584A (en) | 1976-07-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |