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FR2410357A1 - Tube a rayons cathodiques - Google Patents

Tube a rayons cathodiques

Info

Publication number
FR2410357A1
FR2410357A1 FR7832949A FR7832949A FR2410357A1 FR 2410357 A1 FR2410357 A1 FR 2410357A1 FR 7832949 A FR7832949 A FR 7832949A FR 7832949 A FR7832949 A FR 7832949A FR 2410357 A1 FR2410357 A1 FR 2410357A1
Authority
FR
France
Prior art keywords
ray tube
grid
cathodic ray
oblong
opening
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
FR7832949A
Other languages
English (en)
Other versions
FR2410357B1 (fr
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 FR2410357A1 publication Critical patent/FR2410357A1/fr
Application granted granted Critical
Publication of FR2410357B1 publication Critical patent/FR2410357B1/fr
Granted 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/626—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields
    • H01J29/628—Electrostatic lenses producing fields exhibiting periodic axial symmetry, e.g. multipolar fields co-operating with or closely associated to an electron gun
    • 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
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

LA PREMIERE GRILLE DU CANON ELECTRONIQUE DU TUBE A RAYONS CATHODIQUES S'ETEND EN FORME D'ENTONNOIR DE FACON QUE, DU COTE DE LA SECONDE GRILLE, L'OUVERTURE SOIT OBLONGUE ET QU'IL SE FORME ESSENTIELLEMENT UN EFFET DE LENTILLE QUADRIPOLAIRE. IL EST AINSI POSSIBLE D'OBTENIR UN SPOT AUX ANGLES ET AU BORD DE L'ECRAN IMAGE, QUI EST NOTAMMENT MOINS ENTOURE D'UN VOILE QUE DANS LA CONSTRUCTION COMME PRESENTANT UNE OUVERTURE OBLONGUE DANS LA PREMIERE GRILLE. APPLICATION: TELEVISION.
FR7832949A 1977-11-24 1978-11-22 Tube a rayons cathodiques Granted FR2410357A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7712942,A NL178374C (nl) 1977-11-24 1977-11-24 Elektronenstraalbuis met niet-rotatiesymmetrische elektronenlens tussen eerste en tweede rooster.

Publications (2)

Publication Number Publication Date
FR2410357A1 true FR2410357A1 (fr) 1979-06-22
FR2410357B1 FR2410357B1 (fr) 1982-06-18

Family

ID=19829598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832949A Granted FR2410357A1 (fr) 1977-11-24 1978-11-22 Tube a rayons cathodiques

Country Status (18)

Country Link
US (1) US4358703A (fr)
JP (2) JPS5485666A (fr)
BE (1) BE872218A (fr)
BR (1) BR7807652A (fr)
CA (1) CA1112284A (fr)
CS (1) CS234009B2 (fr)
DD (1) DD140517A5 (fr)
DE (1) DE2850369C2 (fr)
ES (1) ES475295A1 (fr)
FI (1) FI66262C (fr)
FR (1) FR2410357A1 (fr)
GB (1) GB2008851B (fr)
IT (1) IT1100173B (fr)
MX (1) MX145245A (fr)
NL (1) NL178374C (fr)
PL (1) PL117458B1 (fr)
TR (1) TR20153A (fr)
YU (1) YU40989B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54117677A (en) * 1978-03-06 1979-09-12 Hitachi Ltd Electron gun
JPS54133070A (en) * 1978-04-07 1979-10-16 Hitachi Ltd Constituent for electron gun
NL8102527A (nl) * 1981-05-22 1982-12-16 Philips Nv Kleurenbeeldbuis.
NL8102526A (nl) * 1981-05-22 1982-12-16 Philips Nv Kleurenbeeldbuis.
IT1214441B (it) * 1981-07-10 1990-01-18 Rca Corp Sistema per la visualizzazione di immagini a colori.
US4542318A (en) * 1982-12-16 1985-09-17 North American Philips Consumer Electronics Corp. CRT lensing electrodes having apertures defined by tapered sidewalls
NL8301601A (nl) * 1983-05-06 1984-12-03 Philips Nv Kathodestraalbuis.
IT1176203B (it) * 1983-06-27 1987-08-18 Rca Corp Tubo a raggi catodici con un cannone elettronico presentante una regione di formazione di un fascio astigmatico
JPH0719541B2 (ja) * 1985-04-30 1995-03-06 株式会社日立製作所 インライン型カラー受像管
JPH06103622B2 (ja) * 1986-08-21 1994-12-14 ソニー株式会社 電子銃の組立方法
US5637952A (en) * 1993-04-26 1997-06-10 Nokia Technology Gmbh High-current cathode for picture tubes including a grid 3-electrode having a diaphragm with reduced apertures
JPH0729511A (ja) * 1993-07-14 1995-01-31 Hitachi Ltd 電子銃およびカラー陰極線管
KR970008566B1 (ko) * 1994-07-07 1997-05-27 엘지전자 주식회사 칼라 음극선관용 전자총의 제2그리드
KR100186540B1 (ko) 1996-04-25 1999-03-20 구자홍 피디피의 전극 및 그 형성방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609516A (en) * 1950-10-31 1952-09-02 Rca Corp Art of forming and utilizing electron-beams of noncircular cross section
NL6717636A (fr) * 1967-12-22 1969-06-24
NL162783C (nl) * 1970-04-11 1980-06-16 Philips Nv Beeldweergeefinrichting en elektronenstraalbuis als onderdeel daarvan.
US3852608A (en) * 1971-03-22 1974-12-03 Philips Corp Cathode-ray tube having an astigmatic lens element in its electron gun
NL7208728A (fr) * 1971-07-28 1973-12-28
US4143293A (en) * 1975-01-24 1979-03-06 Matsushita Electronics Corporation In line electron guns for color tubes, each having a control grid with vertically elliptical aperture
US3978367A (en) * 1975-02-27 1976-08-31 Westinghouse Electric Corporation Cathode ray tube second electrode having rectangular projecting ridge
JPS6034783B2 (ja) * 1976-07-29 1985-08-10 株式会社東芝 陰極線管

Also Published As

Publication number Publication date
BE872218A (fr) 1979-05-22
YU275078A (en) 1982-10-31
CA1112284A (fr) 1981-11-10
DE2850369A1 (de) 1979-05-31
PL211101A1 (pl) 1979-07-16
BR7807652A (pt) 1979-06-26
US4358703A (en) 1982-11-09
NL178374C (nl) 1986-03-03
GB2008851A (en) 1979-06-06
ES475295A1 (es) 1979-04-16
JPS58101457U (ja) 1983-07-09
CS234009B2 (en) 1985-03-14
GB2008851B (en) 1982-05-12
TR20153A (tr) 1980-09-26
IT7830003A0 (it) 1978-11-21
DD140517A5 (de) 1980-03-05
FI66262C (fi) 1984-09-10
MX145245A (es) 1982-01-15
JPS6244448Y2 (fr) 1987-11-24
FI783554A7 (fi) 1979-05-25
DE2850369C2 (de) 1983-10-06
FR2410357B1 (fr) 1982-06-18
PL117458B1 (en) 1981-08-31
IT1100173B (it) 1985-09-28
NL178374B (nl) 1985-10-01
FI66262B (fi) 1984-05-31
NL7712942A (nl) 1979-05-28
YU40989B (en) 1986-10-31
JPS5485666A (en) 1979-07-07

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