DE3569062D1 - Shadow mask colour crt with enhanced resolution and/or brightness - Google Patents

Shadow mask colour crt with enhanced resolution and/or brightness

Info

Publication number
DE3569062D1
DE3569062D1 DE8585304638T DE3569062T DE3569062D1 DE 3569062 D1 DE3569062 D1 DE 3569062D1 DE 8585304638 T DE8585304638 T DE 8585304638T DE 3569062 T DE3569062 T DE 3569062T DE 3569062 D1 DE3569062 D1 DE 3569062D1
Authority
DE
Germany
Prior art keywords
brightness
shadow mask
enhanced resolution
colour crt
mask colour
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
DE8585304638T
Other languages
German (de)
English (en)
Inventor
Brian David Chase
Andrew Paton
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3569062D1 publication Critical patent/DE3569062D1/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06Screens for shielding; Masks interposed in the electron stream
    • H01J29/07Shadow masks for colour television tubes
DE8585304638T 1985-06-28 1985-06-28 Shadow mask colour crt with enhanced resolution and/or brightness Expired DE3569062D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85304638A EP0205699B1 (en) 1985-06-28 1985-06-28 Shadow mask colour crt with enhanced resolution and/or brightness

Publications (1)

Publication Number Publication Date
DE3569062D1 true DE3569062D1 (en) 1989-04-27

Family

ID=8194275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585304638T Expired DE3569062D1 (en) 1985-06-28 1985-06-28 Shadow mask colour crt with enhanced resolution and/or brightness

Country Status (4)

Country Link
US (1) US4767963A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0205699B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS628432A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3569062D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889871A (en) * 1987-05-29 1989-12-26 G. D. Searle & Co. Alkoxy-substituted dihydrobenzopyran-2-carboxylate derivatives
US5380740A (en) * 1993-04-28 1995-01-10 G. D. Searle & Co. Anti-inflammatory compounds, compositions and method of use thereof
JPH097531A (ja) * 1995-06-20 1997-01-10 Futaba Corp 電界放出型プリントヘッド
GB2304981A (en) * 1995-08-25 1997-03-26 Ibm Electron source eg for a display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS533057A (en) * 1976-06-29 1978-01-12 Mitsubishi Electric Corp Color cathode-ray tube
US4100452A (en) * 1976-11-02 1978-07-11 Zenith Radio Corporation Color television picture tube image screen having positive and negative misregistration tolerance conditions
JPS56167239A (en) * 1980-05-26 1981-12-22 Nec Corp Color braun tube
JPS5844644A (ja) * 1981-09-10 1983-03-15 Toshiba Corp カラ−受像管用マスクの製作法
EP0129620A1 (en) * 1983-06-23 1985-01-02 International Business Machines Corporation Colour cathode ray tube with improved phosphor pattern

Also Published As

Publication number Publication date
JPS628432A (ja) 1987-01-16
EP0205699B1 (en) 1989-03-22
US4767963A (en) 1988-08-30
JPH0526293B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-04-15
EP0205699A1 (en) 1986-12-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee