ES2001885A6 - Dispositivo de tubo de rayos catodicos para la televsision de proyeccion en pantalla - Google Patents

Dispositivo de tubo de rayos catodicos para la televsision de proyeccion en pantalla

Info

Publication number
ES2001885A6
ES2001885A6 ES868601333A ES8601333A ES2001885A6 ES 2001885 A6 ES2001885 A6 ES 2001885A6 ES 868601333 A ES868601333 A ES 868601333A ES 8601333 A ES8601333 A ES 8601333A ES 2001885 A6 ES2001885 A6 ES 2001885A6
Authority
ES
Spain
Prior art keywords
ray tube
optical coupler
projection television
tube device
cathode
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
ES868601333A
Other languages
English (en)
Inventor
Kiyoshi Mizushima
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.)
DuPont Toray Specialty Materials KK
Original Assignee
Dow Corning Asia 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 Dow Corning Asia Ltd filed Critical Dow Corning Asia Ltd
Publication of ES2001885A6 publication Critical patent/ES2001885A6/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • 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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H01J29/894—Arrangements combined with the vessel for the purpose of image projection on a screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)

Abstract

DISPOSITIVO DE TUBO DE RAYOS CATODICOS PARA LA TELEVISION DE PROYECCION EN PANTALLA, QUE CUENTA CON UNA LENTE SEPARADA UNA CIERTA DISTANCIA, DE LA PANTALLA DEL TUBO DE RAYOS CATODICOS, MEDIANTE LA INTERPOSICION DE UN ACOPLADOR OPTICO, QUE EVITA CUALQUIER TIPO DE DISTORSION OPTICA, POR SU ESPECIAL CONFIGURACION. DICHO ACOPLADOR OPTICO SE CARACTERIZA PORQUE, TANTO LA SUPERFICIE QUE ESTA EN CONTACTO CON LA PANTALLA DEL TUBO DE RAYOS CATODICOS, COMO LA SUPERFICIE QUE SE ENCUENTRA EN CONTCTO CON LA LENTE, SON DE CAUCHO SOLIDO, PUDIENDOSE EXTENDER ESTA CARACTERISTICA A TODO EL ACOPLADOR OPTICO. EL COPLADOR OPTICO CUENTA CON UNA ENVOLTURA ANULAR QUE EVITA EL PASO DE LUZ.
ES868601333A 1985-08-26 1986-08-25 Dispositivo de tubo de rayos catodicos para la televsision de proyeccion en pantalla Expired ES2001885A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985128874U JPS6237153U (es) 1985-08-26 1985-08-26

Publications (1)

Publication Number Publication Date
ES2001885A6 true ES2001885A6 (es) 1988-07-01

Family

ID=14995495

Family Applications (1)

Application Number Title Priority Date Filing Date
ES868601333A Expired ES2001885A6 (es) 1985-08-26 1986-08-25 Dispositivo de tubo de rayos catodicos para la televsision de proyeccion en pantalla

Country Status (6)

Country Link
EP (1) EP0213583B1 (es)
JP (1) JPS6237153U (es)
KR (1) KR950000823B1 (es)
CA (1) CA1272242A (es)
DE (1) DE3684837D1 (es)
ES (1) ES2001885A6 (es)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59192228A (ja) * 1983-04-15 1984-10-31 Hitachi Ltd ブラウン管とレンズ間の光学的結合法
JPS6084080A (ja) * 1983-10-15 1985-05-13 Hitachi Ltd 投写形受像機

Also Published As

Publication number Publication date
EP0213583A3 (en) 1989-07-19
DE3684837D1 (de) 1992-05-21
KR870002727A (ko) 1987-04-06
CA1272242A (en) 1990-07-31
JPS6237153U (es) 1987-03-05
KR950000823B1 (ko) 1995-02-02
EP0213583B1 (en) 1992-04-15
EP0213583A2 (en) 1987-03-11

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20100623