ES475023A1 - Un tubo de presentacion en color perfeccionado' - Google Patents

Un tubo de presentacion en color perfeccionado'

Info

Publication number
ES475023A1
ES475023A1 ES475023A ES475023A ES475023A1 ES 475023 A1 ES475023 A1 ES 475023A1 ES 475023 A ES475023 A ES 475023A ES 475023 A ES475023 A ES 475023A ES 475023 A1 ES475023 A1 ES 475023A1
Authority
ES
Spain
Prior art keywords
metal plates
corners
plates extending
wall coating
cone
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
ES475023A
Other languages
English (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES475023A1 publication Critical patent/ES475023A1/es
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
    • H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
    • H01J31/201—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours using a colour-selection electrode
    • 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
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Cosmetics (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)

Abstract

Un tubo de presentación en color perfeccionado que comprende; en una ampolla o envolvente que consiste en una ventana de presentación rectangular que consiste en una ventana de presentación rectangular, un cono que tiene un recubrimiento interior eléctricamente conductor y un cuello, una pantalla de presentación en el interior de la ventana de presentación, un electrodo de selección de calor a cierta distancia por delante al menos un haz de electrones en el cuello y una tapa de apantallamiento magnético que se extiende en el cono desde el electrodo de selección de color, caracterizado porque la tapa de apantallamiento magnético está provista, en el borde que tiene las menores dimensiones, de cuatro placas metálicas que se extienden radialmente, dobladas en la dirección de los puntos de esquina de la pantalla de presentación, cuyas placas presionan contra el recubrimiento interior eléctricamente conductor del cono.
ES475023A 1977-11-15 1978-11-13 Un tubo de presentacion en color perfeccionado' Expired ES475023A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7712535A NL7712535A (nl) 1977-11-15 1977-11-15 Kleurenbeeldbuis.

Publications (1)

Publication Number Publication Date
ES475023A1 true ES475023A1 (es) 1979-04-16

Family

ID=19829538

Family Applications (1)

Application Number Title Priority Date Filing Date
ES475023A Expired ES475023A1 (es) 1977-11-15 1978-11-13 Un tubo de presentacion en color perfeccionado'

Country Status (10)

Country Link
US (1) US4198587A (es)
JP (1) JPS607340B2 (es)
BE (1) BE871970A (es)
CA (1) CA1112281A (es)
DE (1) DE2849416C2 (es)
ES (1) ES475023A1 (es)
FR (1) FR2408908A1 (es)
GB (1) GB2007908B (es)
IT (1) IT1100095B (es)
NL (1) NL7712535A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513221A (en) * 1982-02-26 1985-04-23 North American Philips Consumer Electronics Corp. CRT Internal shielding means for a spun glass envelope funnel section
US4556821A (en) * 1984-03-15 1985-12-03 Rca Corporation Color image display system having an improved external magnetic shield
US4622490A (en) * 1985-02-28 1986-11-11 Rca Corporation Cathode-ray tube with an internal magnetic shield
US5323008A (en) * 1992-03-23 1994-06-21 Diatron Corporation Fluorometer detection system
US7955155B2 (en) 2007-07-09 2011-06-07 Mega Brands International Magnetic and electronic toy construction systems and elements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3313975A (en) * 1964-07-06 1967-04-11 Hughes Aircraft Co Electron impervious flexible shield member for electron discharge tubes
US4002941A (en) * 1966-10-27 1977-01-11 Rca Corporation Shadow mask cathode ray tube shield
DE1762029B1 (de) * 1968-03-23 1970-11-19 Philips Patentverwaltung Farbbildroehre fuer die Wiedergabe von Farbfernsehbildern mit einer Anordnung zur Verhinderung von Fehllicht
NL6815709A (es) * 1968-11-04 1970-05-08
NL6900696A (es) * 1969-01-16 1970-07-20
DE1921423A1 (de) * 1969-04-26 1970-11-12 Licentia Gmbh Kathodenstrahlroehre mit einer aus Glas bestehenden Frontplatte
US3588567A (en) * 1970-03-23 1971-06-28 Zenith Radio Corp Segmented electron shield for color picture tube

Also Published As

Publication number Publication date
BE871970A (fr) 1979-05-14
JPS607340B2 (ja) 1985-02-23
CA1112281A (en) 1981-11-10
GB2007908B (en) 1982-03-17
DE2849416C2 (de) 1986-08-21
US4198587A (en) 1980-04-15
FR2408908A1 (fr) 1979-06-08
FR2408908B1 (es) 1982-07-02
DE2849416A1 (de) 1979-05-17
IT7829693A0 (it) 1978-11-10
NL7712535A (nl) 1979-05-17
JPS5481770A (en) 1979-06-29
IT1100095B (it) 1985-09-28
GB2007908A (en) 1979-05-23

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