GB1436986A - Cathode and heater assembly for a cathode-ray tube - Google Patents

Cathode and heater assembly for a cathode-ray tube

Info

Publication number
GB1436986A
GB1436986A GB1132974A GB1132974A GB1436986A GB 1436986 A GB1436986 A GB 1436986A GB 1132974 A GB1132974 A GB 1132974A GB 1132974 A GB1132974 A GB 1132974A GB 1436986 A GB1436986 A GB 1436986A
Authority
GB
United Kingdom
Prior art keywords
cathode
tube
ray tube
heater assembly
heater
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
GB1132974A
Other languages
English (en)
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1436986A publication Critical patent/GB1436986A/en
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)
GB1132974A 1973-03-20 1974-03-14 Cathode and heater assembly for a cathode-ray tube Expired GB1436986A (en)

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
GB1436986A true GB1436986A (en) 1976-05-26

Family

ID=5875360

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1132974A Expired GB1436986A (en) 1973-03-20 1974-03-14 Cathode and heater assembly for a cathode-ray tube

Country Status (13)

Country Link
US (1) US3895249A (enrdf_load_stackoverflow)
JP (1) JPS559127B2 (enrdf_load_stackoverflow)
BE (1) BE812531A (enrdf_load_stackoverflow)
CA (1) CA1019385A (enrdf_load_stackoverflow)
CS (1) CS202174A2 (enrdf_load_stackoverflow)
DD (1) DD110974A5 (enrdf_load_stackoverflow)
DE (1) DE2313911B2 (enrdf_load_stackoverflow)
ES (1) ES424449A1 (enrdf_load_stackoverflow)
FR (1) FR2222747B1 (enrdf_load_stackoverflow)
GB (1) GB1436986A (enrdf_load_stackoverflow)
NL (1) NL7403571A (enrdf_load_stackoverflow)
PL (1) PL92465B1 (enrdf_load_stackoverflow)
RO (1) RO64641A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025946A1 (de) * 1979-09-21 1981-04-01 International Standard Electric Corporation Heizelement für eine indirekt geheizte Kathode

Families Citing this family (13)

* 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
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 (enrdf_load_stackoverflow) * 1965-10-22 1967-04-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0025946A1 (de) * 1979-09-21 1981-04-01 International Standard Electric Corporation Heizelement für eine indirekt geheizte Kathode

Also Published As

Publication number Publication date
JPS49123569A (enrdf_load_stackoverflow) 1974-11-26
NL7403571A (enrdf_load_stackoverflow) 1974-09-24
JPS559127B2 (enrdf_load_stackoverflow) 1980-03-07
FR2222747B1 (enrdf_load_stackoverflow) 1979-01-26
DE2313911B2 (de) 1975-09-25
DE2313911A1 (de) 1974-10-03
CA1019385A (en) 1977-10-18
RO64641A (fr) 1978-12-15
CS202174A2 (en) 1991-06-11
FR2222747A1 (enrdf_load_stackoverflow) 1974-10-18
BE812531A (nl) 1974-09-20
US3895249A (en) 1975-07-15
DD110974A5 (enrdf_load_stackoverflow) 1975-01-12
ES424449A1 (es) 1976-06-16
PL92465B1 (enrdf_load_stackoverflow) 1977-04-30

Similar Documents

Publication Publication Date Title
GB1436986A (en) Cathode and heater assembly for a cathode-ray tube
GB1041282A (en) Cathode for electron discharge device
GB1353683A (en) Discharge lamp having cavity electrodes
GB1457798A (en) Cathode-ray tube
US2864028A (en) Thermionic dispenser cathode
HK62387A (en) Cathode-ray tube with means for suppressing arcing therein
GB1226993A (enrdf_load_stackoverflow)
GB1465107A (en) Vapour discharge lamp and electrode structures therefor
GB1519439A (en) Magnetron having a helical cathode
GB1302340A (enrdf_load_stackoverflow)
GB1461495A (en) Heater element suitable for use with indirectly heated cathodes and a method of producing such a heater element
GB1298101A (en) Improvements in getter assemblies
GB1426509A (en) Field-emission electron guns
US2424526A (en) Electric discharge device
GB1433454A (en) Thermionic emission cathode arrangement
JPS54140452A (en) Cathode heater assembly for electron emission device
GB1006476A (en) Improvements in or relating to indirectly-heated cathodes
GB1263019A (en) Indirectly heated thermionic cathode
GB1202505A (en) Fluorescent lamp device
MY108422A (en) Electron gun for cathode ray tube with improved cathode structure
US2648024A (en) Heat retaining means for hydrogen thyratron
GB875272A (en) Electron discharge devices
GB1461043A (en) Thermionic emitters
GB829339A (en) Improvements in or relating to equipotential cathodes for electric discharge tubes and discharge tubes containing such cathodes
GB1373103A (en) Electron beam apparatus

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee