JPH0376352U - - Google Patents

Info

Publication number
JPH0376352U
JPH0376352U JP1990115351U JP11535190U JPH0376352U JP H0376352 U JPH0376352 U JP H0376352U JP 1990115351 U JP1990115351 U JP 1990115351U JP 11535190 U JP11535190 U JP 11535190U JP H0376352 U JPH0376352 U JP H0376352U
Authority
JP
Japan
Prior art keywords
skirt
electron beam
shadow mask
porous
porous part
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
JP1990115351U
Other languages
English (en)
Other versions
JPH0751727Y2 (ja
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 filed Critical
Publication of JPH0376352U publication Critical patent/JPH0376352U/ja
Application granted granted Critical
Publication of JPH0751727Y2 publication Critical patent/JPH0751727Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01J2229/0766—Details of skirt or border
    • H01J2229/0772—Apertures, cut-outs, depressions, or the like

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)

Description

【図面の簡単な説明】
第１図から第３図は本考案のシヤドウマスクの
一実施例を示し、第１図は支持するフレームに固
定された状態を概略的に示した斜視図、第２図は
第１図に図示された本考案の陰極線管用シヤドウ
マスクが成型される前の状態を示した板状素材の
平面図、第３図は第２図に図示された板状素材の
部分抜粋拡大斜視図、第４図は従来の陰極線管用
シヤドウマスクがこれを支持するフレームに固定
された状態を概略的に示した斜視図、第５図は第
４図の図示された従来の陰極線管用シヤドウマス
クが成型される前の状態を示した平面図である。 ３０……シヤドウマスク、３１……（シヤドウ
マスクの）電子ビーム通過孔、３２……有孔部、
３３……無孔部、３３ａ……スカート、３４……
凹溝。

Claims (1)

  1. 【実用新案登録請求の範囲】 電子ビームの進む経路に対して事実上直角をな
    すビーム通過平面が、電子ビーム通過孔の形成さ
    れた有孔部と電子ビームの通過孔の形成されてい
    ない無孔部とで形成されており、前記無孔部の縁
    には前記ビーム通過平面に対して直角をなすスカ
    ートが形成されている陰極線管用シヤドウマスク
    において、 前記無孔部および前記スカートの上面と下面と
    に、前記有孔部を向くように並列配置されたスト
    ライプ状の凹溝が形成され、前記無孔部およびス
    カートの上面に形成された凹溝とその下面に形成
    された凹溝とが交互に形成されていることを特徴
    とするシヤドウマスク。
JP1990115351U 1989-11-02 1990-11-01 陰極線管用シャドウマスク Expired - Lifetime JPH0751727Y2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR16178 1989-11-02
KR2019890016178U KR920001571Y1 (ko) 1989-11-02 1989-11-02 음극선관용 섀도우마스크

Publications (2)

Publication Number Publication Date
JPH0376352U true JPH0376352U (ja) 1991-07-31
JPH0751727Y2 JPH0751727Y2 (ja) 1995-11-22

Family

ID=19291441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990115351U Expired - Lifetime JPH0751727Y2 (ja) 1989-11-02 1990-11-01 陰極線管用シャドウマスク

Country Status (5)

Country Link
JP (1) JPH0751727Y2 (ja)
KR (1) KR920001571Y1 (ja)
CN (1) CN1027019C (ja)
GB (1) GB2238423B (ja)
MY (1) MY104794A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416378A (en) * 1993-11-03 1995-05-16 Rca Thomson Licensing Corporation Color picture tube with iron-nickel alloy shadow mask
JP2000011911A (ja) 1998-06-26 2000-01-14 Hitachi Ltd シャドウマスクを備えたカラー陰極線管
US6710527B2 (en) 2000-08-04 2004-03-23 Matsushita Electric Industrial Co., Ltd. Cathode ray tube with slit in dead space of shadow mask

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49112566A (ja) * 1973-02-26 1974-10-26
JPS58160454U (ja) * 1982-04-22 1983-10-26 株式会社東芝 カラ−ブラウン管
JPS58197636A (ja) * 1982-05-10 1983-11-17 Mitsubishi Electric Corp シヤドウマスク

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639799A (en) * 1969-04-02 1972-02-01 Tubal Ind Inc Shadow mask with reinforcing ring for colored television picture tube
GB1313071A (en) * 1970-06-15 1973-04-11 Rca Corp Shadwo-mask cathode-ray tube and frame assembly and method of making same
US3855493A (en) * 1972-10-30 1974-12-17 Gen Electric Shadow mask and process for manufacture
US4122368A (en) * 1977-07-08 1978-10-24 Rca Corporation Cathode ray tube with a corrugated mask having a corrugated skirt
US4437036A (en) * 1981-10-23 1984-03-13 Rca Corporation Cathode-ray tube having a temperature compensated mask-frame assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49112566A (ja) * 1973-02-26 1974-10-26
JPS58160454U (ja) * 1982-04-22 1983-10-26 株式会社東芝 カラ−ブラウン管
JPS58197636A (ja) * 1982-05-10 1983-11-17 Mitsubishi Electric Corp シヤドウマスク

Also Published As

Publication number Publication date
GB2238423A (en) 1991-05-29
GB9023840D0 (en) 1990-12-12
JPH0751727Y2 (ja) 1995-11-22
CN1027019C (zh) 1994-12-14
KR910009892U (ko) 1991-06-29
MY104794A (en) 1994-05-31
GB2238423B (en) 1994-07-13
KR920001571Y1 (ko) 1992-03-05
CN1051459A (zh) 1991-05-15

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term