FI772335A - - Google Patents
Info
- Publication number
- FI772335A FI772335A FI772335A FI772335A FI772335A FI 772335 A FI772335 A FI 772335A FI 772335 A FI772335 A FI 772335A FI 772335 A FI772335 A FI 772335A FI 772335 A FI772335 A FI 772335A
- Authority
- FI
- Finland
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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/04—Cathodes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Electrolytic Production Of Metals (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7608642A NL7608642A (nl) | 1976-08-04 | 1976-08-04 | Werkwijze voor de vervaardiging van een voor- raadkathode en voorraadkathode vervaardigd volgens die werkwijze. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI772335A true FI772335A (fi) | 1978-02-05 |
Family
ID=19826692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI772335A FI772335A (fi) | 1976-08-04 | 1977-08-01 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5328365A (fi) |
| BE (1) | BE857406A (fi) |
| BR (1) | BR7705042A (fi) |
| CA (1) | CA1091291A (fi) |
| DD (1) | DD130604A5 (fi) |
| DE (1) | DE2733342C2 (fi) |
| ES (1) | ES461278A1 (fi) |
| FI (1) | FI772335A (fi) |
| FR (1) | FR2360983A1 (fi) |
| GB (1) | GB1583585A (fi) |
| IT (1) | IT1086053B (fi) |
| NL (1) | NL7608642A (fi) |
| PL (1) | PL123760B1 (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7905542A (nl) * | 1979-07-17 | 1981-01-20 | Philips Nv | Naleveringskathode. |
| NL8105921A (nl) * | 1981-12-31 | 1983-07-18 | Philips Nv | Televisiekamerabuis. |
| DE3336489A1 (de) * | 1983-10-07 | 1985-04-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Indirekt geheizte vorratskathode |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL222412A (fi) * | 1956-12-15 | |||
| NL112717C (fi) * | 1959-01-22 | |||
| US3160780A (en) * | 1961-01-17 | 1964-12-08 | Philips Corp | Indirectly heated cathode |
| NL6602973A (fi) * | 1966-03-08 | 1967-09-11 | ||
| DE1764260A1 (de) * | 1968-05-04 | 1971-07-01 | Telefunken Patent | Verfahren zum Herstellen einer Vorratskathode |
-
1976
- 1976-08-04 NL NL7608642A patent/NL7608642A/xx not_active Application Discontinuation
-
1977
- 1977-07-23 DE DE19772733342 patent/DE2733342C2/de not_active Expired
- 1977-07-26 CA CA283,544A patent/CA1091291A/en not_active Expired
- 1977-08-01 GB GB3220477A patent/GB1583585A/en not_active Expired
- 1977-08-01 FI FI772335A patent/FI772335A/fi unknown
- 1977-08-01 BR BR7705042A patent/BR7705042A/pt unknown
- 1977-08-01 JP JP9151077A patent/JPS5328365A/ja active Granted
- 1977-08-01 PL PL19999977A patent/PL123760B1/pl unknown
- 1977-08-01 IT IT2638977A patent/IT1086053B/it active
- 1977-08-02 BE BE179852A patent/BE857406A/xx unknown
- 1977-08-02 DD DD20040677A patent/DD130604A5/xx unknown
- 1977-08-02 ES ES461278A patent/ES461278A1/es not_active Expired
- 1977-08-04 FR FR7724001A patent/FR2360983A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| PL199999A1 (pl) | 1978-03-28 |
| FR2360983B1 (fi) | 1980-07-18 |
| JPS5328365A (en) | 1978-03-16 |
| FR2360983A1 (fr) | 1978-03-03 |
| JPS617697B2 (fi) | 1986-03-08 |
| CA1091291A (en) | 1980-12-09 |
| DE2733342A1 (de) | 1978-02-09 |
| IT1086053B (it) | 1985-05-28 |
| GB1583585A (en) | 1981-01-28 |
| NL7608642A (nl) | 1978-02-07 |
| PL123760B1 (en) | 1982-11-30 |
| BE857406A (fr) | 1978-02-02 |
| ES461278A1 (es) | 1978-05-01 |
| DE2733342C2 (de) | 1986-05-15 |
| DD130604A5 (de) | 1978-04-12 |
| BR7705042A (pt) | 1978-06-06 |