FR2389991A1 - - Google Patents

Info

Publication number
FR2389991A1
FR2389991A1 FR7812465A FR7812465A FR2389991A1 FR 2389991 A1 FR2389991 A1 FR 2389991A1 FR 7812465 A FR7812465 A FR 7812465A FR 7812465 A FR7812465 A FR 7812465A FR 2389991 A1 FR2389991 A1 FR 2389991A1
Authority
FR
France
Prior art keywords
cathode
current
time
period
heating current
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.)
Granted
Application number
FR7812465A
Other languages
English (en)
French (fr)
Other versions
FR2389991B1 (https=
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of FR2389991A1 publication Critical patent/FR2389991A1/fr
Application granted granted Critical
Publication of FR2389991B1 publication Critical patent/FR2389991B1/fr
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
    • 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

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
FR7812465A 1977-05-02 1978-04-27 Expired FR2389991B1 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/792,569 US4167690A (en) 1977-05-02 1977-05-02 Cathode and method of operating the same

Publications (2)

Publication Number Publication Date
FR2389991A1 true FR2389991A1 (https=) 1978-12-01
FR2389991B1 FR2389991B1 (https=) 1983-04-22

Family

ID=25157355

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7812465A Expired FR2389991B1 (https=) 1977-05-02 1978-04-27

Country Status (5)

Country Link
US (1) US4167690A (https=)
JP (1) JPS53137665A (https=)
DE (1) DE2819195C2 (https=)
FR (1) FR2389991B1 (https=)
GB (1) GB1598626A (https=)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804924A1 (de) * 1978-02-06 1979-08-09 Vdo Schindling Anzeigeeinrichtung mit vakuum- fluoreszenzelementen
GB2031219B (en) * 1978-10-04 1982-12-01 English Electric Valve Co Ltd Crt matrix display
DE2902852C2 (de) * 1979-01-25 1983-04-07 Siemens AG, 1000 Berlin und 8000 München Flache Elektronenstrahl-Bildwiedergaberöhre
US4500815A (en) * 1981-11-17 1985-02-19 Rca Corporation System for segmentally refreshing the stored electron gun drive voltages of a flat panel display device
JPH0630229B2 (ja) * 1983-07-15 1994-04-20 松下電器産業株式会社 電子源
US4464611A (en) * 1983-08-22 1984-08-07 Rca Corporation Line cathode heating and protection circuit
JPS60136136A (ja) * 1983-12-23 1985-07-19 Matsushita Electric Ind Co Ltd 平板形陰極線管
US4714863A (en) * 1984-08-30 1987-12-22 Matsushita Electric Industrial Co., Ltd. Vibration damping means for the line cathodes of an image display apparatus
DE3541164A1 (de) * 1985-11-21 1987-05-27 Standard Elektrik Lorenz Ag Flache bildwiedergabevorrichtung
JPH0789661B2 (ja) * 1986-03-20 1995-09-27 松下電器産業株式会社 平板型陰極線管の駆動方法
US4980613A (en) * 1988-02-08 1990-12-25 Matsushita Electric Industrial Co., Ltd. Flat CRT display apparatus
NL8801016A (nl) * 1988-04-20 1989-11-16 Philips Nv Elektronenbuisinrichting en elektronenbuis.
US4973889A (en) * 1989-02-01 1990-11-27 Matsushita Electric Industrial Co., Ltd. Flat configuration cathode ray tube
US5140230A (en) * 1989-02-01 1992-08-18 Matsushita Electric Industrial Co., Ltd. Flat configuration cathode ray tube
US5227691A (en) * 1989-05-24 1993-07-13 Matsushita Electric Industrial Co., Ltd. Flat tube display apparatus
US5012194A (en) * 1989-09-05 1991-04-30 Raytheon Company Method testing electron discharge tubes
JPH03190044A (ja) * 1989-12-19 1991-08-20 Ebara Corp 電子線加速器
US5329129A (en) * 1991-03-13 1994-07-12 Mitsubishi Denki Kabushiki Kaisha Electron shower apparatus including filament current control
JPH0521022A (ja) * 1991-07-10 1993-01-29 Matsushita Electric Ind Co Ltd 荷電粒子伝送装置及び平板型画像表示装置
US7160741B2 (en) * 2003-11-06 2007-01-09 Chartered Semiconductor Manufacturing Ltd. Planar voltage contrast test structure and method
CN119512301B (zh) * 2024-11-20 2026-04-28 杭州谱育科技发展有限公司 一种射频电压对称性调整方法和系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965801A (en) * 1954-12-23 1960-12-20 Philips Corp Method of and apparatus for position-selection, scanning and the like
NL102095C (https=) * 1955-07-01
US3229169A (en) * 1961-06-26 1966-01-11 Cons Electronics Ind Thermal time delay
US3555544A (en) * 1968-11-18 1971-01-12 Wagner Electric Corp Time-sharing indicator lamp control circuit
JPS5235491B2 (https=) * 1972-02-16 1977-09-09
JPS5116828A (ja) * 1974-07-31 1976-02-10 Tokyo Shibaura Electric Co Hyojikankudohoshiki
JPS51135460A (en) * 1975-05-20 1976-11-24 Matsushita Electric Ind Co Ltd Plane-type cathode ray device
JPS5211756A (en) * 1975-07-17 1977-01-28 Matsushita Electric Ind Co Ltd Flatp late 1878f/3 plate type cathode-ray device
US4028582A (en) * 1975-09-22 1977-06-07 Rca Corporation Guided beam flat display device

Also Published As

Publication number Publication date
DE2819195A1 (de) 1978-11-09
US4167690A (en) 1979-09-11
FR2389991B1 (https=) 1983-04-22
JPS53137665A (en) 1978-12-01
DE2819195C2 (de) 1982-12-16
JPS6236344B2 (https=) 1987-08-06
GB1598626A (en) 1981-09-23

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Legal Events

Date Code Title Description
ST Notification of lapse