FI752584A - - Google Patents
Info
- Publication number
- FI752584A FI752584A FI752584A FI752584A FI752584A FI 752584 A FI752584 A FI 752584A FI 752584 A FI752584 A FI 752584A FI 752584 A FI752584 A FI 752584A FI 752584 A FI752584 A FI 752584A
- Authority
- FI
- Finland
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2099803 | 1975-01-21 | ||
| SU7502099803A SU577588A2 (ru) | 1975-01-21 | 1975-01-21 | Трехфазна газоразр дна лампа |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI752584A true FI752584A (de) | 1976-07-22 |
| FI63132B FI63132B (fi) | 1982-12-31 |
| FI63132C FI63132C (fi) | 1983-04-11 |
Family
ID=20608377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI752584A FI63132C (fi) | 1975-01-21 | 1975-09-16 | Trefasig urladdningslampa |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5252489A (de) |
| DE (1) | DE2542133C2 (de) |
| FI (1) | FI63132C (de) |
| FR (1) | FR2298882A1 (de) |
| NL (1) | NL163940C (de) |
| SU (1) | SU577588A2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3159148B2 (ja) * | 1997-10-31 | 2001-04-23 | 日本電気株式会社 | 冷陰極管及びバックライト装置 |
| 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 (de) * | 1950-03-31 | |||
| US1958239A (en) * | 1931-04-13 | 1934-05-08 | Gen Electric | Positive column discharge device |
| DE564235C (de) * | 1931-05-16 | 1932-11-17 | Patra Patent Treuhand | Elektrische Leuchtroehre mit gluehenden Hauptelektroden |
| FR978563A (fr) * | 1948-11-19 | 1951-04-16 | Perfectionnements aux tubes fluorescents | |
| DE906243C (de) * | 1949-07-19 | 1954-03-11 | Dr Hermann E Krefft | Mit festen Gluehelektroden ausgeruestete elektrische Metalldampf- und Edelgas-Hoechstdruckentladungslampe und Verfahren zu ihrem Betriebe |
-
1975
- 1975-01-21 SU SU7502099803A patent/SU577588A2/ru active
- 1975-09-16 FI FI752584A patent/FI63132C/fi not_active IP Right Cessation
- 1975-09-22 DE DE19752542133 patent/DE2542133C2/de not_active Expired
- 1975-09-26 NL NL7511326A patent/NL163940C/xx not_active IP Right Cessation
- 1975-10-10 FR FR7531180A patent/FR2298882A1/fr active Granted
- 1975-10-22 JP JP12647875A patent/JPS5252489A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SU577588A2 (ru) | 1977-10-25 |
| FI63132C (fi) | 1983-04-11 |
| JPS5633822B2 (de) | 1981-08-06 |
| FR2298882B1 (de) | 1978-04-07 |
| JPS5252489A (en) | 1977-04-27 |
| DE2542133C2 (de) | 1983-09-15 |
| NL7511326A (nl) | 1976-07-23 |
| NL163940C (nl) | 1980-10-15 |
| DE2542133A1 (de) | 1976-07-22 |
| NL163940B (nl) | 1980-05-16 |
| FR2298882A1 (fr) | 1976-08-20 |
| FI63132B (fi) | 1982-12-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: LEVIN, IZRAIL ARONOVICH Owner name: POTEMKIN, JURY PAVLOVICH Owner name: SAPOZHNIKOV, IVAN VASILIEVICH Owner name: SLOBODSKOI, IGOR PAVLOVICH Owner name: TROITSKY, ALEXANDR MIKHAILOVICH |