ES424449A1 - Un tubo de rayos catodicos con un catodo de caldeo instan- taneo. - Google Patents

Un tubo de rayos catodicos con un catodo de caldeo instan- taneo.

Info

Publication number
ES424449A1
ES424449A1 ES424449A ES424449A ES424449A1 ES 424449 A1 ES424449 A1 ES 424449A1 ES 424449 A ES424449 A ES 424449A ES 424449 A ES424449 A ES 424449A ES 424449 A1 ES424449 A1 ES 424449A1
Authority
ES
Spain
Prior art keywords
cathode
heater
heater cathode
instant warm
warm
Prior art date
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.)
Expired
Application number
ES424449A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES424449A1 publication Critical patent/ES424449A1/es
Expired legal-status Critical Current

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

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Solid Thermionic Cathode (AREA)
ES424449A 1973-03-20 1974-03-20 Un tubo de rayos catodicos con un catodo de caldeo instan- taneo. Expired ES424449A1 (es)

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 (1)

Publication Number Publication Date
ES424449A1 true ES424449A1 (es) 1976-06-16

Family

ID=5875360

Family Applications (1)

Application Number Title Priority Date Filing Date
ES424449A Expired ES424449A1 (es) 1973-03-20 1974-03-20 Un tubo de rayos catodicos con un catodo de caldeo instan- taneo.

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)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
DE3029853C2 (de) * 1980-08-07 1982-08-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Indirekt durch Elektronenstoß geheizte Wehneltkathode
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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
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
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
NL6513665A (en, 2012) * 1965-10-22 1967-04-24

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
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
FR2222747A1 (en, 2012) 1974-10-18

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