FR2810790B1 - Cathode pour tube a rayons cathodiques a encombrement reduit - Google Patents

Cathode pour tube a rayons cathodiques a encombrement reduit

Info

Publication number
FR2810790B1
FR2810790B1 FR0007912A FR0007912A FR2810790B1 FR 2810790 B1 FR2810790 B1 FR 2810790B1 FR 0007912 A FR0007912 A FR 0007912A FR 0007912 A FR0007912 A FR 0007912A FR 2810790 B1 FR2810790 B1 FR 2810790B1
Authority
FR
France
Prior art keywords
cathode
ray tube
reduced overall
cathode ray
reduced
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 - Fee Related
Application number
FR0007912A
Other languages
English (en)
Other versions
FR2810790A1 (fr
Inventor
Jean Luc Ricaud
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.)
Thomson Tubes and Displays SA
Original Assignee
Thomson Tubes and Displays 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 Thomson Tubes and Displays SA filed Critical Thomson Tubes and Displays SA
Priority to FR0007912A priority Critical patent/FR2810790B1/fr
Publication of FR2810790A1 publication Critical patent/FR2810790A1/fr
Application granted granted Critical
Publication of FR2810790B1 publication Critical patent/FR2810790B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • H01J1/22—Heaters
FR0007912A 2000-06-21 2000-06-21 Cathode pour tube a rayons cathodiques a encombrement reduit Expired - Fee Related FR2810790B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0007912A FR2810790B1 (fr) 2000-06-21 2000-06-21 Cathode pour tube a rayons cathodiques a encombrement reduit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0007912A FR2810790B1 (fr) 2000-06-21 2000-06-21 Cathode pour tube a rayons cathodiques a encombrement reduit

Publications (2)

Publication Number Publication Date
FR2810790A1 FR2810790A1 (fr) 2001-12-28
FR2810790B1 true FR2810790B1 (fr) 2002-10-04

Family

ID=8851485

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0007912A Expired - Fee Related FR2810790B1 (fr) 2000-06-21 2000-06-21 Cathode pour tube a rayons cathodiques a encombrement reduit

Country Status (1)

Country Link
FR (1) FR2810790B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1303636A (fr) * 1961-08-04 1962-09-14 Electronique & Physique Perfectionnements apportés aux systèmes électriques radiants notamment aux cathodes planes ou similaires
FR1422700A (fr) * 1965-01-26 1965-12-24 Varian Associates Filament de cathode thermoionique et procédé de fabrication
KR910007793B1 (ko) * 1988-11-02 1991-10-02 삼성전관 주식회사 전자총의 음극 및 그 제조방법
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
WO1991003065A1 (fr) * 1989-08-18 1991-03-07 Nikolai Fedorovich Osaulenko Unite de chauffage de cathode pour dispositifs a rayons electroniques
US5444327A (en) * 1993-06-30 1995-08-22 Varian Associates, Inc. Anisotropic pyrolytic graphite heater

Also Published As

Publication number Publication date
FR2810790A1 (fr) 2001-12-28

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080229