FR2232074B1 - - Google Patents

Info

Publication number
FR2232074B1
FR2232074B1 FR7418197A FR7418197A FR2232074B1 FR 2232074 B1 FR2232074 B1 FR 2232074B1 FR 7418197 A FR7418197 A FR 7418197A FR 7418197 A FR7418197 A FR 7418197A FR 2232074 B1 FR2232074 B1 FR 2232074B1
Authority
FR
France
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
FR7418197A
Other languages
French (fr)
Other versions
FR2232074A1 (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.)
Teledyne UK Ltd
Original Assignee
English Electric Valve Co Ltd
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 English Electric Valve Co Ltd filed Critical English Electric Valve Co Ltd
Publication of FR2232074A1 publication Critical patent/FR2232074A1/fr
Application granted granted Critical
Publication of FR2232074B1 publication Critical patent/FR2232074B1/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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • 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
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/308—Semiconductor cathodes, e.g. cathodes with PN junction layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/50—Plurality of guns or beams
    • H01J2229/505—Arrays
FR7418197A 1973-06-01 1974-05-27 Expired FR2232074B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2616473A GB1457105A (en) 1973-06-01 1973-06-01 Electron guns

Publications (2)

Publication Number Publication Date
FR2232074A1 FR2232074A1 (en) 1974-12-27
FR2232074B1 true FR2232074B1 (en) 1977-10-14

Family

ID=10239354

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7418197A Expired FR2232074B1 (en) 1973-06-01 1974-05-27

Country Status (5)

Country Link
JP (1) JPS5049975A (en)
DE (1) DE2340690B2 (en)
FR (1) FR2232074B1 (en)
GB (1) GB1457105A (en)
NL (1) NL7406738A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL184549C (en) * 1978-01-27 1989-08-16 Philips Nv SEMICONDUCTOR DEVICE FOR GENERATING AN ELECTRON POWER AND DISPLAY DEVICE EQUIPPED WITH SUCH A SEMICONDUCTOR DEVICE.
NL184589C (en) * 1979-07-13 1989-09-01 Philips Nv Semiconductor device for generating an electron beam and method of manufacturing such a semiconductor device.
JPS587740A (en) * 1981-06-30 1983-01-17 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン Electron emission layer
DE3538175C2 (en) * 1984-11-21 1996-06-05 Philips Electronics Nv Semiconductor device for generating an electron current and its use

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1198567A (en) * 1968-05-17 1970-07-15 Gen Electric & English Elect Improvements in or relating to Electric Discharge Devices.
GB1303658A (en) * 1969-11-12 1973-01-17
GB1285866A (en) * 1970-06-22 1972-08-16 Gen Electric Co Ltd Improvements in or relating to cathodes for use in electric discharge devices

Also Published As

Publication number Publication date
GB1457105A (en) 1976-12-01
DE2340690B2 (en) 1977-12-22
FR2232074A1 (en) 1974-12-27
NL7406738A (en) 1974-12-03
JPS5049975A (en) 1975-05-06
DE2340690A1 (en) 1974-12-19

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Legal Events

Date Code Title Description
ST Notification of lapse