DD116101A5 - - Google Patents
Info
- Publication number
- DD116101A5 DD116101A5 DD183857A DD18385775A DD116101A5 DD 116101 A5 DD116101 A5 DD 116101A5 DD 183857 A DD183857 A DD 183857A DD 18385775 A DD18385775 A DD 18385775A DD 116101 A5 DD116101 A5 DD 116101A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/02—Electron-emitting electrodes; Cathodes
- H01J19/04—Thermionic cathodes
- H01J19/14—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J19/16—Heaters
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2404362A DE2404362B1 (de) | 1974-01-30 | 1974-01-30 | Heizkörper für eine indirekt geheizte Kathode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD116101A5 true DD116101A5 (is) | 1975-11-05 |
Family
ID=5906073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD183857A DD116101A5 (is) | 1974-01-30 | 1975-01-28 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4002884A (is) |
| JP (1) | JPS50109661A (is) |
| BE (1) | BE824962R (is) |
| DD (1) | DD116101A5 (is) |
| DE (1) | DE2404362B1 (is) |
| FR (1) | FR2259432B3 (is) |
| IT (1) | IT1031111B (is) |
| NL (1) | NL7500824A (is) |
| RO (1) | RO72441A (is) |
| ZA (1) | ZA75397B (is) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192751B (en) * | 1986-07-14 | 1991-02-13 | Denki Kagaku Kogyo Kk | Method of making a thermionic cathode structure. |
| JP2817451B2 (ja) * | 1991-06-25 | 1998-10-30 | 日本電気株式会社 | 電子管用カソード |
| JP2000516765A (ja) * | 1997-06-25 | 2000-12-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 改善された帯幅を有する画像表示装置 |
| EP1701237B1 (de) * | 2001-01-24 | 2012-11-07 | Leister Technologies AG | Heizelement |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2831140A (en) * | 1953-10-12 | 1958-04-15 | Sylvania Electric Prod | Cataphoretically coated heater insulator assembly |
| GB787458A (en) * | 1953-12-10 | 1957-12-11 | Edison Swan Electric Co Ltd | Improvements relating to indirectly heated cathodes for thermionic valves |
| US3029360A (en) * | 1958-04-29 | 1962-04-10 | Rca Corp | Heater wire coating process |
| NL105737C (is) * | 1958-06-10 | |||
| FR1273216A (fr) * | 1960-11-09 | 1961-10-06 | Ass Elect Ind | Perfectionnements aux cathodes à chauffage indirect pour tubes électroniques |
| GB895337A (en) * | 1961-02-21 | 1962-05-02 | Ass Elect Ind | Improvements relating to cathode heaters |
| NL284356A (is) * | 1962-10-15 | |||
| US3231715A (en) * | 1963-03-18 | 1966-01-25 | Ultek Corp | Filament for evaporating reactive metal in high vacuum apparatus |
| US3737714A (en) * | 1964-12-18 | 1973-06-05 | Sylvania Electric Prod | Dark coated heater for vacuum tube cathode |
| DK118095B (da) * | 1966-06-29 | 1970-07-06 | Topsoe H | Varmeelement til elektrisk kabelovn til ophedning af en gas- eller væskestrøm. |
| DE1614495B1 (de) * | 1967-04-10 | 1971-03-11 | Siemens Ag | Mittelbar geheizte vorratskathode für elektrische entladungsgefässe |
| US3869692A (en) * | 1973-05-07 | 1975-03-04 | Gte Sylvania Inc | Heater for vacuum tube cathode in which the wire of the heater legs has been etched to reduce its diameter |
| JPS5174170A (ja) * | 1974-12-25 | 1976-06-26 | Nippon Packaging Kk | Mizubunsanseionkankakoyojunkatsuzai |
-
1974
- 1974-01-30 DE DE2404362A patent/DE2404362B1/de active Pending
-
1975
- 1975-01-21 ZA ZA00750397A patent/ZA75397B/xx unknown
- 1975-01-24 IT IT19532/75A patent/IT1031111B/it active
- 1975-01-24 RO RO7581233A patent/RO72441A/ro unknown
- 1975-01-24 NL NL7500824A patent/NL7500824A/xx unknown
- 1975-01-24 US US05/543,724 patent/US4002884A/en not_active Expired - Lifetime
- 1975-01-28 DD DD183857A patent/DD116101A5/xx unknown
- 1975-01-30 JP JP1195375A patent/JPS50109661A/ja active Pending
- 1975-01-30 BE BE2054114A patent/BE824962R/xx not_active IP Right Cessation
- 1975-01-30 FR FR7502892A patent/FR2259432B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2259432A1 (is) | 1975-08-22 |
| ZA75397B (en) | 1976-01-28 |
| JPS50109661A (is) | 1975-08-28 |
| BE824962R (nl) | 1975-07-30 |
| IT1031111B (it) | 1979-04-30 |
| DE2404362B1 (de) | 1975-07-31 |
| NL7500824A (nl) | 1975-08-01 |
| RO72441A (ro) | 1981-06-26 |
| US4002884A (en) | 1977-01-11 |
| FR2259432B3 (is) | 1977-10-21 |