GB1290993A - - Google Patents

Info

Publication number
GB1290993A
GB1290993A GB1290993DA GB1290993A GB 1290993 A GB1290993 A GB 1290993A GB 1290993D A GB1290993D A GB 1290993DA GB 1290993 A GB1290993 A GB 1290993A
Authority
GB
United Kingdom
Prior art keywords
electrode
cathode
volts
conductive
apertures
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
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1290993A publication Critical patent/GB1290993A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/123—Flat display tubes
    • H01J31/125—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection
    • H01J31/126—Flat display tubes provided with control means permitting the electron beam to reach selected parts of the screen, e.g. digital selection using line sources

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB1290993D 1970-03-10 1971-04-19 Expired GB1290993A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7008540A FR2082304A5 (it) 1970-03-10 1970-03-10

Publications (1)

Publication Number Publication Date
GB1290993A true GB1290993A (it) 1972-09-27

Family

ID=9052027

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1290993D Expired GB1290993A (it) 1970-03-10 1971-04-19

Country Status (4)

Country Link
US (1) US3723786A (it)
DE (1) DE2111438A1 (it)
FR (1) FR2082304A5 (it)
GB (1) GB1290993A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119564A (en) * 1982-04-21 1983-11-16 Rca Corp Line cathode having localized emissive coating and method of making

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4158157A (en) * 1976-10-26 1979-06-12 Zenith Radio Corporation Electron beam cathodoluminescent panel display
US4335380A (en) * 1980-06-16 1982-06-15 Wright David Y Multi-beam raster scan display monitor
US4980613A (en) * 1988-02-08 1990-12-25 Matsushita Electric Industrial Co., Ltd. Flat CRT display apparatus
US5117159A (en) * 1988-11-04 1992-05-26 Matsushita Electric Industrial Co., Ltd. Flat panel type display and method for driving the display
FR2647580B1 (fr) * 1989-05-24 1991-09-13 Clerc Jean Dispositif d'affichage electroluminescent utilisant des electrons guides et son procede de commande

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506627A (en) * 1945-09-14 1950-05-09 Emi Ltd Electron discharge device
US2858464A (en) * 1955-09-26 1958-10-28 Westinghouse Electric Corp Cathode ray tube
US2879446A (en) * 1956-02-08 1959-03-24 Kaiser Ind Corp Electronic device
US2978608A (en) * 1956-12-24 1961-04-04 Ibm Character synthesizing tube
GB975251A (it) * 1960-04-28 1900-01-01
US3558967A (en) * 1969-06-16 1971-01-26 Varian Associates Linear beam tube with plural cathode beamlets providing a convergent electron stream

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119564A (en) * 1982-04-21 1983-11-16 Rca Corp Line cathode having localized emissive coating and method of making
US4487673A (en) * 1982-04-21 1984-12-11 Rca Corporation Method of making a line cathode having localized emissive coating

Also Published As

Publication number Publication date
US3723786A (en) 1973-03-27
DE2111438A1 (de) 1971-09-23
FR2082304A5 (it) 1971-12-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees