BE511706A - - Google Patents
Info
- Publication number
- BE511706A BE511706A BE511706DA BE511706A BE 511706 A BE511706 A BE 511706A BE 511706D A BE511706D A BE 511706DA BE 511706 A BE511706 A BE 511706A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR964793X | 1951-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE511706A true BE511706A (US08066781-20111129-C00013.png) |
Family
ID=9499566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE511706D BE511706A (US08066781-20111129-C00013.png) | 1951-06-08 |
Country Status (6)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3041210A (en) * | 1959-12-02 | 1962-06-26 | Tung Sol Electric Inc | Method of making cold cathodes for vacuum tubes and article |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872611A (en) * | 1953-11-16 | 1959-02-03 | Sylvania Electric Prod | Cathode |
| NL237157A (US08066781-20111129-C00013.png) * | 1958-03-17 | |||
| US3018404A (en) * | 1958-03-27 | 1962-01-23 | Raytheon Co | Electron tube cathodes |
| US2932757A (en) * | 1958-04-04 | 1960-04-12 | Rca Corp | High transconductance electron tube |
| US3226806A (en) * | 1960-03-18 | 1966-01-04 | Eitel Mccullough Inc | Method of making a cathode heater assembly |
| US3210589A (en) * | 1960-04-28 | 1965-10-05 | Westinghouse Electric Corp | Electric incandescent lamp having filament of partially recrystallized fibrous structure |
| US3184636A (en) * | 1961-06-15 | 1965-05-18 | Sylvania Electric Prod | Cold cathode |
| US3525135A (en) * | 1964-04-16 | 1970-08-25 | Gen Electric | Thermionic cathode |
| DE1120016B (de) * | 1964-07-08 | 1961-12-21 | Elger 1 Alpenlaendisches Unter | Nicht geheizte Elektrode, insbesondere fuer Niederspannungsleuchtstofflampen, sowie Lampe mit solchen Elektroden |
| US5585694A (en) * | 1990-12-04 | 1996-12-17 | North American Philips Corporation | Low pressure discharge lamp having sintered "cold cathode" discharge electrodes |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2142331A (en) * | 1935-03-09 | 1939-01-03 | Bell Telephone Labor Inc | Electron emitting cathode |
| US2249672A (en) * | 1936-12-10 | 1941-07-15 | Gen Electric | Discharge device |
| CH209750A (de) * | 1937-09-25 | 1940-04-30 | Lorenz C Ag | Verfahren zur Herstellung einer Entladungsröhre. |
| US2317754A (en) * | 1940-07-31 | 1943-04-27 | Gorlich Paul | Method of producing secondary electron emitting cathodes |
| BE461895A (US08066781-20111129-C00013.png) * | 1944-01-17 | |||
| NL77182C (US08066781-20111129-C00013.png) * | 1948-12-04 |
-
0
- BE BE511706D patent/BE511706A/xx unknown
-
1951
- 1951-06-08 FR FR1038245D patent/FR1038245A/fr not_active Expired
-
1952
- 1952-05-28 CH CH302721D patent/CH302721A/fr unknown
- 1952-06-04 DE DEE5569A patent/DE964793C/de not_active Expired
- 1952-06-05 GB GB14215/52A patent/GB713709A/en not_active Expired
- 1952-06-06 US US292216A patent/US2753615A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3041210A (en) * | 1959-12-02 | 1962-06-26 | Tung Sol Electric Inc | Method of making cold cathodes for vacuum tubes and article |
Also Published As
| Publication number | Publication date |
|---|---|
| GB713709A (en) | 1954-08-18 |
| FR1038245A (fr) | 1953-09-25 |
| CH302721A (fr) | 1954-10-31 |
| DE964793C (de) | 1957-05-29 |
| US2753615A (en) | 1956-07-10 |
