RO64641A - FAST HEATING CATHODE - Google Patents

FAST HEATING CATHODE

Info

Publication number
RO64641A
RO64641A RO7400078086A RO7808674A RO64641A RO 64641 A RO64641 A RO 64641A RO 7400078086 A RO7400078086 A RO 7400078086A RO 7808674 A RO7808674 A RO 7808674A RO 64641 A RO64641 A RO 64641A
Authority
RO
Romania
Prior art keywords
fast heating
heating cathode
cathode
fast
heating
Prior art date
Application number
RO7400078086A
Other languages
French (fr)
Romanian (ro)
Inventor
Wolfram Andre
Eberhard Nill
Peter Schmid
Original Assignee
Int 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of RO64641A publication Critical patent/RO64641A/en

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
RO7400078086A 1973-03-20 1974-03-19 FAST HEATING CATHODE RO64641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2313911A DE2313911B2 (en) 1973-03-20 1973-03-20 Fast heating cathode for cathode ray tubes

Publications (1)

Publication Number Publication Date
RO64641A true RO64641A (en) 1978-12-15

Family

ID=5875360

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7400078086A RO64641A (en) 1973-03-20 1974-03-19 FAST HEATING CATHODE

Country Status (13)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2614270C2 (en) * 1976-04-02 1982-04-15 Standard Elektrik Lorenz Ag, 7000 Stuttgart Cathode structure
DE2654554C2 (en) * 1976-12-02 1983-04-21 Standard Elektrik Lorenz Ag, 7000 Stuttgart Mushroom cathode for cathode ray tubes
DE2704870C3 (en) * 1977-02-05 1980-12-18 Bayer Ag, 5090 Leverkusen Radiant heated furnace
US4184100A (en) * 1977-03-29 1980-01-15 Tokyo Shibaura Electric Co., Ltd. Indirectly-heated cathode device for electron tubes
DE2846796C2 (en) * 1978-10-27 1982-08-12 Standard Elektrik Lorenz Ag, 7000 Stuttgart Method of attaching the cathode holder of a rapid heating cathode
JPS6036056B2 (en) * 1979-06-21 1985-08-17 株式会社東芝 cathode structure
DE2938248A1 (en) * 1979-09-21 1981-03-26 Standard Elektrik Lorenz AG, 70435 Stuttgart HEATING ELEMENT FOR AN INDIRECTLY HEATED CATHODE
DE3029853C2 (en) * 1980-08-07 1982-08-26 Standard Elektrik Lorenz Ag, 7000 Stuttgart Wehnelt cathode indirectly heated by electron impact
DE3145167A1 (en) * 1981-11-13 1983-05-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Arrangement having a thermionic emission cathode
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 (en) 1997-12-22 1999-07-09 Hitachi Ltd Indirectly heated cathode structure of cathode ray tube
KR100310683B1 (en) * 1999-09-08 2001-10-18 김순택 Cathode assembly of the electron gun and method of manufacturing the same
JP2001195997A (en) 2000-01-11 2001-07-19 Hitachi Ltd Cathode ray tube

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 (en) * 1962-07-30 1964-06-26 Philips Nv Method for covering the filament of an indirectly heated cathode with an insulating layer with black radiation
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) * 1965-10-22 1967-04-24

Also Published As

Publication number Publication date
DE2313911A1 (en) 1974-10-03
PL92465B1 (en) 1977-04-30
FR2222747B1 (en) 1979-01-26
CA1019385A (en) 1977-10-18
FR2222747A1 (en) 1974-10-18
GB1436986A (en) 1976-05-26
BE812531A (en) 1974-09-20
NL7403571A (en) 1974-09-24
DE2313911B2 (en) 1975-09-25
CS202174A2 (en) 1991-06-11
JPS559127B2 (en) 1980-03-07
ES424449A1 (en) 1976-06-16
JPS49123569A (en) 1974-11-26
US3895249A (en) 1975-07-15
DD110974A5 (en) 1975-01-12

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