DE3751168T2 - Struktur einer indirekt geheizten Kathode für Kathodenstrahlröhren. - Google Patents

Struktur einer indirekt geheizten Kathode für Kathodenstrahlröhren.

Info

Publication number
DE3751168T2
DE3751168T2 DE3751168T DE3751168T DE3751168T2 DE 3751168 T2 DE3751168 T2 DE 3751168T2 DE 3751168 T DE3751168 T DE 3751168T DE 3751168 T DE3751168 T DE 3751168T DE 3751168 T2 DE3751168 T2 DE 3751168T2
Authority
DE
Germany
Prior art keywords
cathode
ray tubes
indirectly heated
cathode ray
heated cathode
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 - Lifetime
Application number
DE3751168T
Other languages
English (en)
Other versions
DE3751168D1 (de
Inventor
Sakae C O Patent Divisi Kimura
Mitsuo C O Patent Divisi Kawai
Touru C O Patent Divisi Yakabe
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP61301360A external-priority patent/JPS63146322A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE3751168D1 publication Critical patent/DE3751168D1/de
Application granted granted Critical
Publication of DE3751168T2 publication Critical patent/DE3751168T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
DE3751168T 1986-12-19 1987-12-17 Struktur einer indirekt geheizten Kathode für Kathodenstrahlröhren. Expired - Lifetime DE3751168T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61301360A JPS63146322A (ja) 1986-07-03 1986-12-19 傍熱形陰極構体

Publications (2)

Publication Number Publication Date
DE3751168D1 DE3751168D1 (de) 1995-04-20
DE3751168T2 true DE3751168T2 (de) 1995-10-19

Family

ID=17895930

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751168T Expired - Lifetime DE3751168T2 (de) 1986-12-19 1987-12-17 Struktur einer indirekt geheizten Kathode für Kathodenstrahlröhren.

Country Status (4)

Country Link
US (1) US4820954A (de)
EP (1) EP0272881B1 (de)
KR (1) KR910007826B1 (de)
DE (1) DE3751168T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2607654B2 (ja) * 1988-12-16 1997-05-07 株式会社東芝 傍熱形陰極構体及びそれを使用した電子銃構体
TW259878B (de) * 1993-03-17 1995-10-11 Toshiba Co Ltd
FR2808377A1 (fr) 2000-04-26 2001-11-02 Thomson Tubes & Displays Cathode a oxydes pour tube a rayons cathodiques
US7758985B2 (en) * 2005-12-21 2010-07-20 American Power Conversion Corporation Fuel cell sensors and methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE498869A (de) * 1949-10-25
EP0004424A1 (de) * 1978-03-23 1979-10-03 Thorn Emi-Varian Limited Thermionische Kathode
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
JPS6036056B2 (ja) * 1979-06-21 1985-08-17 株式会社東芝 陰極構体
SU1356206A1 (ru) * 1986-01-24 1987-11-30 Предприятие П/Я А-3361 Управл емый аттенюатор

Also Published As

Publication number Publication date
US4820954A (en) 1989-04-11
KR880008378A (ko) 1988-08-31
DE3751168D1 (de) 1995-04-20
EP0272881A3 (en) 1989-10-04
EP0272881B1 (de) 1995-03-15
KR910007826B1 (en) 1991-10-02
EP0272881A2 (de) 1988-06-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)