FR2425718A1 - Tube a rayons cathodiques comportant un masque d'ombre a forme d'onde variable - Google Patents

Tube a rayons cathodiques comportant un masque d'ombre a forme d'onde variable

Info

Publication number
FR2425718A1
FR2425718A1 FR7910980A FR7910980A FR2425718A1 FR 2425718 A1 FR2425718 A1 FR 2425718A1 FR 7910980 A FR7910980 A FR 7910980A FR 7910980 A FR7910980 A FR 7910980A FR 2425718 A1 FR2425718 A1 FR 2425718A1
Authority
FR
France
Prior art keywords
shadow mask
ray tube
variable waveform
tube including
mask
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
FR7910980A
Other languages
English (en)
Other versions
FR2425718B1 (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.)
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 FR2425718A1 publication Critical patent/FR2425718A1/fr
Application granted granted Critical
Publication of FR2425718B1 publication Critical patent/FR2425718B1/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
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

TUBE A RAYONS CATHODIQUES DU TYPE A MASQUE D'OMBRE, COMPRENANT: UNE ENVELOPPE SOUS VIDE COMPORTANT UN PANNEAU FRONTAL; UN ECRAN D'OBSERVATION DE LUMINOPHORES, POSITIONNE SUR LA SURFACE INTERIEURE DUDIT PANNEAU FRONTAL; UN MASQUE D'OMBRE, POURVU D'UNE PLURALITE D'OUVERTURES ET AYANT UNE SECTION DROITE ONDULEE, MONTE DE FACON ADJACENTE AUDIT ECRAN, ET DES MOYENS POUR EMETTRE ET PROJETER DES ELECTRONS LE LONG D'UNE PLURALITE DE TRAJECTOIRES CONVERGENTES, AU TRAVERS DES OUVERTURES DU MASQUE ET VERS LEDIT ECRAN, CE TUBE ETANT CARACTERISE EN CE QUE LADITE SECTION DROITE ONDULEE DU MASQUE POSSEDE UNE FORME D'ONDE VARIABLE.
FR7910980A 1978-05-11 1979-05-02 Tube a rayons cathodiques comportant un masque d'ombre a forme d'onde variable Expired FR2425718B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/904,778 US4280077A (en) 1978-05-11 1978-05-11 Cathode-ray tube having corrugated shadow mask with varying waveform

Publications (2)

Publication Number Publication Date
FR2425718A1 true FR2425718A1 (fr) 1979-12-07
FR2425718B1 FR2425718B1 (fr) 1985-09-20

Family

ID=25419759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7910980A Expired FR2425718B1 (fr) 1978-05-11 1979-05-02 Tube a rayons cathodiques comportant un masque d'ombre a forme d'onde variable

Country Status (16)

Country Link
US (1) US4280077A (fr)
JP (1) JPS54147776A (fr)
AT (1) AT376061B (fr)
AU (1) AU4575779A (fr)
CA (1) CA1138514A (fr)
CS (1) CS229623B2 (fr)
DD (1) DD143837A5 (fr)
DE (1) DE2919165A1 (fr)
FI (1) FI791440A (fr)
FR (1) FR2425718B1 (fr)
GB (1) GB2020897B (fr)
IT (1) IT1112521B (fr)
MX (1) MX4553E (fr)
NL (1) NL7903699A (fr)
PL (1) PL131269B1 (fr)
SU (1) SU1145942A3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3137653A1 (de) * 1981-09-22 1983-04-07 Siemens AG, 1000 Berlin und 8000 München Gasentladungsanzeigevorrichtung mit leuchtstoffschutzschicht und anodenschutzgitter
US4839556A (en) * 1983-02-25 1989-06-13 Rca Licensing Corporation Cathode-ray tube having an improved shadow mask contour
US4697119A (en) * 1985-01-11 1987-09-29 Kabushiki Kaisha Toshiba Color cathode ray tube having a non-spherical curved mask
JPH07111877B2 (ja) * 1987-09-10 1995-11-29 三菱電機株式会社 架張形シヤドウマスク
WO1999041763A1 (fr) * 1998-02-16 1999-08-19 Koninklijke Philips Electronics N.V. Dispositif d'affichage couleur comprenant une electrode de selection de couleur en forme de selle
US6433467B1 (en) * 1999-02-10 2002-08-13 Samsung Sdi Co., Ltd. Shadow mask for cathode ray tube

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872345A (en) * 1972-10-27 1975-03-18 Hitachi Ltd Colour picture tubes
US4072876A (en) * 1976-10-04 1978-02-07 Rca Corporation Corrugated shadow mask assembly for a cathode ray tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109117A (en) * 1961-05-22 1963-10-29 Rauland Corp Color reproducing cathode-ray tube
US3944867A (en) * 1974-03-15 1976-03-16 Zenith Radio Corporation Shadow mask having ribs bounding rectangular apertures
GB1546889A (en) * 1975-03-19 1979-05-31 Rca Corp Cathode ray tube having shadow mask
US4122368A (en) * 1977-07-08 1978-10-24 Rca Corporation Cathode ray tube with a corrugated mask having a corrugated skirt

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872345A (en) * 1972-10-27 1975-03-18 Hitachi Ltd Colour picture tubes
US4072876A (en) * 1976-10-04 1978-02-07 Rca Corporation Corrugated shadow mask assembly for a cathode ray tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENTS ABSTRACTS OF JAPAN, vol. 2, no. 40, 16 mars 1978, pages 193 E 78; *

Also Published As

Publication number Publication date
FI791440A (fi) 1979-11-12
IT7922431A0 (it) 1979-05-07
AT376061B (de) 1984-10-10
CA1138514A (fr) 1982-12-28
ATA334579A (de) 1984-02-15
PL131269B1 (en) 1984-10-31
US4280077A (en) 1981-07-21
CS229623B2 (en) 1984-06-18
DE2919165A1 (de) 1979-11-15
PL215384A1 (fr) 1980-02-11
GB2020897A (en) 1979-11-21
JPS54147776A (en) 1979-11-19
MX4553E (es) 1982-06-10
AU4575779A (en) 1979-11-15
DD143837A5 (de) 1980-09-10
IT1112521B (it) 1986-01-20
SU1145942A3 (ru) 1985-03-15
FR2425718B1 (fr) 1985-09-20
GB2020897B (en) 1982-10-27
NL7903699A (nl) 1979-11-13
JPS5747540B2 (fr) 1982-10-09

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Legal Events

Date Code Title Description
ST Notification of lapse