DK394974A - - Google Patents
Info
- Publication number
- DK394974A DK394974A DK394974A DK394974A DK394974A DK 394974 A DK394974 A DK 394974A DK 394974 A DK394974 A DK 394974A DK 394974 A DK394974 A DK 394974A DK 394974 A DK394974 A DK 394974A
- Authority
- DK
- Denmark
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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)
- Discharge Lamp (AREA)
- Solid Thermionic Cathode (AREA)
- Powder Metallurgy (AREA)
- Arc Welding In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2337344 | 1973-07-23 | ||
| DE19732337344 DE2337344C3 (de) | 1973-07-23 | Emissionselektrode bestehend aus einem Trägerkörper, der eine die Elektronenemission begünstigende Masse trägt |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK394974A true DK394974A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-03-10 |
| DK141349B DK141349B (da) | 1980-02-25 |
| DK141349C DK141349C (da) | 1980-08-18 |
Family
ID=5887721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK394974A DK141349C (da) | 1973-07-23 | 1974-07-22 | Emissionselektrode til drift ved hoej temperatur samt fremgangsmaade til dens fremstilling |
Country Status (13)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5598434A (en) * | 1979-01-22 | 1980-07-26 | Toshiba Corp | Electrode for discharge tube |
| JPS59167563U (ja) * | 1983-04-26 | 1984-11-09 | 大木 欣平 | ゴルフスコアホルダ− |
| JPS61164185U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1985-04-02 | 1986-10-11 | ||
| JPS63139968U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-03-05 | 1988-09-14 | ||
| JPS63179148U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1987-05-08 | 1988-11-21 | ||
| JPH0210969U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1988-07-04 | 1990-01-24 | ||
| US5447763A (en) * | 1990-08-17 | 1995-09-05 | Ion Systems, Inc. | Silicon ion emitter electrodes |
| DE4026301A1 (de) * | 1990-08-20 | 1992-02-27 | Siemens Ag | Elektronenemitter einer roentgenroehre |
| GB2279495A (en) * | 1993-06-22 | 1995-01-04 | Thorn Microwave Devices Limite | Thermionic cathode |
| US5627430A (en) * | 1994-06-29 | 1997-05-06 | Ushiodenki Kabushiki Kaisha | Discharge lamp having a cathode with a sintered tip insert |
| EP0734039B1 (de) * | 1995-03-24 | 1998-05-27 | Siemens Aktiengesellschaft | Emissionselektrode, bestehend aus einem Trägerkörper, der eine die Elektronenemission begünstigende, schmelzgesinterte Masse trägt |
| US6384534B1 (en) | 1999-12-17 | 2002-05-07 | General Electric Company | Electrode material for fluorescent lamps |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3134924A (en) * | 1960-07-05 | 1964-05-26 | Monsanto Co | Emissive materials of a metal matrix with molecularly dispersed additives |
| NL272981A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1961-01-02 | |||
| US3706001A (en) * | 1971-03-15 | 1972-12-12 | Us Army | Thermionic electron emitter containing thorium carbide,thorium oxide and zirconium carbide |
| US3798492A (en) * | 1971-05-17 | 1974-03-19 | Itt | Emissive electrode |
| US3798490A (en) * | 1972-09-01 | 1974-03-19 | Gen Electric | Vibration resistant lamp |
-
1974
- 1974-06-25 ZA ZA00744074A patent/ZA744074B/xx unknown
- 1974-07-03 AT AT550274A patent/AT343233B/de not_active IP Right Cessation
- 1974-07-17 FR FR7424852A patent/FR2245579B1/fr not_active Expired
- 1974-07-18 SE SE7409380A patent/SE397745B/xx unknown
- 1974-07-18 IT IT25296/74A patent/IT1017249B/it active
- 1974-07-19 NL NL7409815A patent/NL7409815A/xx not_active Application Discontinuation
- 1974-07-22 JP JP8404574A patent/JPS5518015B2/ja not_active Expired
- 1974-07-22 ES ES428492A patent/ES428492A1/es not_active Expired
- 1974-07-22 LU LU70583A patent/LU70583A1/xx unknown
- 1974-07-22 DK DK394974A patent/DK141349C/da active
- 1974-07-22 GB GB3232874A patent/GB1430723A/en not_active Expired
- 1974-07-23 US US05/491,040 patent/US3970888A/en not_active Expired - Lifetime
- 1974-07-23 BE BE146848A patent/BE817987A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5518015B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-05-15 |
| DE2337344B2 (de) | 1977-05-12 |
| GB1430723A (en) | 1976-04-07 |
| ZA744074B (en) | 1975-06-25 |
| BE817987A (fr) | 1974-11-18 |
| ES428492A1 (es) | 1976-11-16 |
| FR2245579B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-10-14 |
| FR2245579A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-04-25 |
| JPS5044767A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-04-22 |
| ATA550274A (de) | 1977-09-15 |
| DK141349C (da) | 1980-08-18 |
| AT343233B (de) | 1978-05-10 |
| LU70583A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-28 |
| IT1017249B (it) | 1977-07-20 |
| DK141349B (da) | 1980-02-25 |
| US3970888A (en) | 1976-07-20 |
| SE397745B (sv) | 1977-11-14 |
| DE2337344A1 (de) | 1975-04-24 |
| SE7409380L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-01-24 |
| NL7409815A (nl) | 1975-01-27 |