BE482916A - - Google Patents
Info
- Publication number
- BE482916A BE482916A BE482916DA BE482916A BE 482916 A BE482916 A BE 482916A BE 482916D A BE482916D A BE 482916DA BE 482916 A BE482916 A BE 482916A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US752698A US2530394A (en) | 1947-06-05 | 1947-06-05 | Electrode coating for discharge devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE482916A true BE482916A (ko) |
Family
ID=25027406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE482916D BE482916A (ko) | 1947-06-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2530394A (ko) |
| BE (1) | BE482916A (ko) |
| DE (1) | DE974434C (ko) |
| FR (1) | FR966907A (ko) |
| GB (1) | GB655123A (ko) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966927C (de) * | 1951-09-23 | 1957-09-19 | Quarzlampen Gmbh | Elektrische Hochdruckentladungslampe |
| BE518639A (ko) * | 1952-03-24 | |||
| NL95838C (ko) * | 1952-04-24 | |||
| BE524490A (ko) * | 1952-11-22 | |||
| BE526330A (ko) * | 1953-02-09 | |||
| US3069580A (en) * | 1953-10-28 | 1962-12-18 | Sylvania Electric Prod | Fluorescent lamp |
| BE536109A (ko) * | 1954-03-01 | |||
| BE545445A (ko) * | 1955-02-23 | |||
| US2935637A (en) * | 1957-03-05 | 1960-05-03 | Thomas M Cortese | Fluorescent lamp |
| US5471110A (en) * | 1991-12-23 | 1995-11-28 | Philips Electronics North America Corporation | High pressure discharge lamp having filament electrodes |
| JPH06223776A (ja) * | 1992-12-02 | 1994-08-12 | Matsushita Electric Works Ltd | 蛍光ランプ用電極 |
| NL193963C (nl) * | 1994-05-04 | 2001-03-02 | Matsushita Electric Works Ltd | Elektrode voor toepassing in een fluorescerende lamp en werkwijze ter vervaardiging daarvan. |
| CN1849694B (zh) * | 2003-07-29 | 2010-05-12 | 皇家飞利浦电子股份有限公司 | 具有确定的故障概率的低压汞蒸气放电灯 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1823984A (en) * | 1926-05-13 | 1931-09-22 | Communications Patents Inc | Cathode for thermionic devices |
| NL23762C (ko) * | 1928-04-13 | |||
| DE597580C (de) * | 1928-05-01 | 1934-05-26 | Osram G M B H Komm Ges | Elektrische Leucht- oder Ultraviolett-Bestrahlungsroehre |
| US1903144A (en) * | 1928-06-19 | 1933-03-28 | Electrons Inc | Rectifying tube |
| US1925648A (en) * | 1928-09-21 | 1933-09-05 | Hans J Spanner | Lighting device |
| DE627617C (de) * | 1928-09-21 | 1936-03-19 | Osram G M B H | Zuendvorrichtung fuer elektrische Gasentladungslampen mit langgestrecktem Entladungsweg |
| US1883898A (en) * | 1928-12-14 | 1932-10-25 | Westinghouse Electric & Mfg Co | Thermionic cathode |
| US2097261A (en) * | 1929-04-30 | 1937-10-26 | Spanner Hans Joachim | Lighting device |
| DE627520C (de) * | 1929-05-05 | 1936-03-17 | Osram G M B H Komm Ges | Elektrische Entladungsroehre beliebiger Fuellung mit Gluehelektroden und Entladung durch die positive Saeule |
| FR694941A (fr) * | 1929-07-02 | 1930-12-09 | Tubes à décharge, en particulier tubes luminescents et irradiants | |
| DE624620C (de) * | 1929-08-19 | 1936-01-24 | Linde Eismasch Ag | Verfahren zur Ausscheidung von Daempfen aus Gasen |
| NL35601C (ko) * | 1930-06-16 | |||
| DE581872C (de) * | 1930-06-17 | 1933-08-04 | Osram G M B H Komm Ges | Elektrische Entladungsroehre |
| DE696506C (de) * | 1930-12-07 | 1940-09-23 | Osram G M B H Komm Ges | Elektrische Hochdruckentladungsroehre fuer Beleuchnd Zusatz eines verdampfbaren Metalls |
| DE606407C (de) * | 1932-12-06 | 1934-12-01 | Patra Patent Treuhand | Gluehkathode fuer elektrische Leuchtroehren, die zwei uebereinanderliegende Lagen verschiedener Erdalkalimetalloxyde aufweist |
| US2249672A (en) * | 1936-12-10 | 1941-07-15 | Gen Electric | Discharge device |
| US2238595A (en) * | 1938-09-29 | 1941-04-15 | Westinghouse Electric & Mfg Co | Oxide coated cathode |
| NL76841C (ko) * | 1940-11-23 |
-
0
- BE BE482916D patent/BE482916A/xx unknown
-
1947
- 1947-06-05 US US752698A patent/US2530394A/en not_active Expired - Lifetime
-
1948
- 1948-05-28 FR FR966907D patent/FR966907A/fr not_active Expired
- 1948-06-04 GB GB15207/48A patent/GB655123A/en not_active Expired
-
1950
- 1950-10-03 DE DES20260A patent/DE974434C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR966907A (fr) | 1950-10-20 |
| US2530394A (en) | 1950-11-21 |
| GB655123A (en) | 1951-07-11 |
| DE974434C (de) | 1960-12-22 |