FR2222747A1 - - Google Patents
Info
- Publication number
- FR2222747A1 FR2222747A1 FR7409401A FR7409401A FR2222747A1 FR 2222747 A1 FR2222747 A1 FR 2222747A1 FR 7409401 A FR7409401 A FR 7409401A FR 7409401 A FR7409401 A FR 7409401A FR 2222747 A1 FR2222747 A1 FR 2222747A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2313911A DE2313911B2 (de) | 1973-03-20 | 1973-03-20 | Schnell anheizende Kathode für Kathodenstrahlröhren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2222747A1 true FR2222747A1 (en, 2012) | 1974-10-18 |
| FR2222747B1 FR2222747B1 (en, 2012) | 1979-01-26 |
Family
ID=5875360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7409401A Expired FR2222747B1 (en, 2012) | 1973-03-20 | 1974-03-20 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3895249A (en, 2012) |
| JP (1) | JPS559127B2 (en, 2012) |
| BE (1) | BE812531A (en, 2012) |
| CA (1) | CA1019385A (en, 2012) |
| CS (1) | CS202174A2 (en, 2012) |
| DD (1) | DD110974A5 (en, 2012) |
| DE (1) | DE2313911B2 (en, 2012) |
| ES (1) | ES424449A1 (en, 2012) |
| FR (1) | FR2222747B1 (en, 2012) |
| GB (1) | GB1436986A (en, 2012) |
| NL (1) | NL7403571A (en, 2012) |
| PL (1) | PL92465B1 (en, 2012) |
| RO (1) | RO64641A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0045932A3 (en) * | 1980-08-07 | 1982-06-09 | International Standard Electric Corporation | Indirectly heated cathode associated with a wehnelt cylinder |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2614270C2 (de) * | 1976-04-02 | 1982-04-15 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Kathodenaufbau |
| DE2654554C2 (de) * | 1976-12-02 | 1983-04-21 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Pilzkathode für Kathodenstrahlröhren |
| DE2704870C3 (de) * | 1977-02-05 | 1980-12-18 | Bayer Ag, 5090 Leverkusen | Strahlungsbeheizter Ofen |
| US4184100A (en) * | 1977-03-29 | 1980-01-15 | Tokyo Shibaura Electric Co., Ltd. | Indirectly-heated cathode device for electron tubes |
| DE2846796C2 (de) * | 1978-10-27 | 1982-08-12 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren zum Befestigen des Kathodenhalters einer Schnellheizkathode |
| JPS6036056B2 (ja) * | 1979-06-21 | 1985-08-17 | 株式会社東芝 | 陰極構体 |
| DE2938248A1 (de) * | 1979-09-21 | 1981-03-26 | Standard Elektrik Lorenz AG, 70435 Stuttgart | Heizelement fuer eine indirekt geheizte kathode |
| DE3145167A1 (de) * | 1981-11-13 | 1983-05-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anordnung mit einer thermionischen emissionskathode |
| US4554480A (en) * | 1983-11-29 | 1985-11-19 | Rca Corporation | Cathode-ray tube having an electron gun assembly with emissivity modifying means |
| US4675573A (en) * | 1985-08-23 | 1987-06-23 | Varian Associates, Inc. | Method and apparatus for quickly heating a vacuum tube cathode |
| JPH11185649A (ja) | 1997-12-22 | 1999-07-09 | Hitachi Ltd | 陰極線管の傍熱型陰極構体 |
| KR100310683B1 (ko) * | 1999-09-08 | 2001-10-18 | 김순택 | 전자총의 음극구조체와 이의 제조방법 |
| JP2001195997A (ja) | 2000-01-11 | 2001-07-19 | Hitachi Ltd | 陰極線管 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1364978A (fr) * | 1962-07-30 | 1964-06-26 | Philips Nv | Procédé pour recouvrir d'une couche isolante à rayonnement noir le filament d'unecathode à chauffage indirect |
| FR1504694A (fr) * | 1965-10-22 | 1967-12-08 | Philips Nv | Source d'électrons destinée au canon électronique d'un tube à rayons cathodiques |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2507812A (en) * | 1945-08-17 | 1950-05-16 | Cossor Ltd A C | Thermionic cathode |
| US2914694A (en) * | 1957-10-04 | 1959-11-24 | Rca Corp | Cathode assembly |
| US3450565A (en) * | 1964-12-18 | 1969-06-17 | Sylvania Electric Prod | Method of coating heater coils |
| US3376461A (en) * | 1964-12-28 | 1968-04-02 | Varian Associates | Thermionic cathodes and high frequency electron discharge devices |
-
1973
- 1973-03-20 DE DE2313911A patent/DE2313911B2/de not_active Ceased
- 1973-11-23 US US418644A patent/US3895249A/en not_active Expired - Lifetime
-
1974
- 1974-03-12 PL PL1974169453A patent/PL92465B1/pl unknown
- 1974-03-13 CA CA194,882A patent/CA1019385A/en not_active Expired
- 1974-03-14 GB GB1132974A patent/GB1436986A/en not_active Expired
- 1974-03-18 DD DD177241A patent/DD110974A5/xx unknown
- 1974-03-18 NL NL7403571A patent/NL7403571A/xx unknown
- 1974-03-19 RO RO7400078086A patent/RO64641A/ro unknown
- 1974-03-20 ES ES424449A patent/ES424449A1/es not_active Expired
- 1974-03-20 BE BE2053487A patent/BE812531A/xx not_active IP Right Cessation
- 1974-03-20 FR FR7409401A patent/FR2222747B1/fr not_active Expired
- 1974-03-20 CS CS742021A patent/CS202174A2/cs unknown
- 1974-03-20 JP JP3109974A patent/JPS559127B2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1364978A (fr) * | 1962-07-30 | 1964-06-26 | Philips Nv | Procédé pour recouvrir d'une couche isolante à rayonnement noir le filament d'unecathode à chauffage indirect |
| FR1504694A (fr) * | 1965-10-22 | 1967-12-08 | Philips Nv | Source d'électrons destinée au canon électronique d'un tube à rayons cathodiques |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0045932A3 (en) * | 1980-08-07 | 1982-06-09 | International Standard Electric Corporation | Indirectly heated cathode associated with a wehnelt cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1019385A (en) | 1977-10-18 |
| PL92465B1 (en, 2012) | 1977-04-30 |
| US3895249A (en) | 1975-07-15 |
| NL7403571A (en, 2012) | 1974-09-24 |
| DE2313911A1 (de) | 1974-10-03 |
| GB1436986A (en) | 1976-05-26 |
| ES424449A1 (es) | 1976-06-16 |
| CS202174A2 (en) | 1991-06-11 |
| JPS49123569A (en, 2012) | 1974-11-26 |
| RO64641A (fr) | 1978-12-15 |
| JPS559127B2 (en, 2012) | 1980-03-07 |
| DE2313911B2 (de) | 1975-09-25 |
| DD110974A5 (en, 2012) | 1975-01-12 |
| FR2222747B1 (en, 2012) | 1979-01-26 |
| BE812531A (nl) | 1974-09-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |