NL7313936A - OPENING DIAPHRAGM FOR COLOR IMAGE TUBES. - Google Patents

OPENING DIAPHRAGM FOR COLOR IMAGE TUBES.

Info

Publication number
NL7313936A
NL7313936A NL7313936A NL7313936A NL7313936A NL 7313936 A NL7313936 A NL 7313936A NL 7313936 A NL7313936 A NL 7313936A NL 7313936 A NL7313936 A NL 7313936A NL 7313936 A NL7313936 A NL 7313936A
Authority
NL
Netherlands
Prior art keywords
color image
opening diaphragm
image tubes
tubes
diaphragm
Prior art date
Application number
NL7313936A
Other languages
Dutch (nl)
Original Assignee
Metallgesellschaft Ag
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 Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Publication of NL7313936A publication Critical patent/NL7313936A/en

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/0733—Aperture plate characterised by the material
NL7313936A 1973-10-08 1973-10-10 OPENING DIAPHRAGM FOR COLOR IMAGE TUBES. NL7313936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732350366 DE2350366A1 (en) 1973-10-08 1973-10-08 Lens mask for colour television tubes - fitted with non-circular or slotted apertures

Publications (1)

Publication Number Publication Date
NL7313936A true NL7313936A (en) 1975-04-10

Family

ID=5894777

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7313936A NL7313936A (en) 1973-10-08 1973-10-10 OPENING DIAPHRAGM FOR COLOR IMAGE TUBES.

Country Status (2)

Country Link
DE (1) DE2350366A1 (en)
NL (1) NL7313936A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5569238A (en) * 1978-11-15 1980-05-24 Nisshin Steel Co Ltd Steel for shadow mask of color television braun tube
EP0101919B1 (en) * 1982-08-05 1986-09-24 Kabushiki Kaisha Toshiba Color picture tube and method for manufacturing the same
JPS59149635A (en) * 1983-01-31 1984-08-27 Toshiba Corp Manufacture of shadowmask
JPS59200721A (en) * 1983-04-27 1984-11-14 Toshiba Corp Manufacture of shadow mask
JPS6072143A (en) * 1983-09-28 1985-04-24 Toshiba Corp Color picture tube
US4698545A (en) * 1984-09-26 1987-10-06 Kabushiki Kaisha Toshiba Color picture tube having a shadow mask with a Cr enriched layer
JPS61118939A (en) * 1984-11-14 1986-06-06 Nippon Gakki Seizo Kk Shadow mask for color picture tube
JPH068458B2 (en) * 1984-11-24 1994-02-02 ヤマハ株式会社 Method of manufacturing sheer mask for color picture tube
DE3545354A1 (en) * 1984-12-28 1986-07-03 Nippon Mining Co., Ltd., Tokio/Tokyo Shadow mask and method for making shadow masks
US4713576A (en) * 1985-04-24 1987-12-15 Hitachi, Ltd. Color picture tube with shadow mask

Also Published As

Publication number Publication date
DE2350366A1 (en) 1975-04-17

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Legal Events

Date Code Title Description
BV The patent application has lapsed