GB1407608A - Colour picture tubes - Google Patents

Colour picture tubes

Info

Publication number
GB1407608A
GB1407608A GB4035572A GB4035572A GB1407608A GB 1407608 A GB1407608 A GB 1407608A GB 4035572 A GB4035572 A GB 4035572A GB 4035572 A GB4035572 A GB 4035572A GB 1407608 A GB1407608 A GB 1407608A
Authority
GB
United Kingdom
Prior art keywords
perforations
mask
colour
cushion
electron beam
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
GB4035572A
Other languages
English (en)
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP7936571U external-priority patent/JPS4835267U/ja
Priority claimed from JP10085271U external-priority patent/JPS5552610Y2/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1407608A publication Critical patent/GB1407608A/en
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
    • 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
    • H01J29/073—Mounting arrangements associated with shadow masks
    • 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)
GB4035572A 1971-09-03 1972-08-31 Colour picture tubes Expired GB1407608A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7936571U JPS4835267U (de) 1971-09-03 1971-09-03
JP10085271U JPS5552610Y2 (de) 1971-11-01 1971-11-01

Publications (1)

Publication Number Publication Date
GB1407608A true GB1407608A (en) 1975-09-24

Family

ID=26420383

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4035572A Expired GB1407608A (en) 1971-09-03 1972-08-31 Colour picture tubes

Country Status (4)

Country Link
US (1) US3862448A (de)
DE (1) DE2242782B2 (de)
FR (1) FR2151051B1 (de)
GB (1) GB1407608A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327808A (en) * 1997-07-23 1999-02-03 Lg Electronics Inc Shadow mask for a flat cathode ray tube

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2549732A1 (de) * 1975-11-06 1977-05-26 Licentia Gmbh Farbwahlmaskenanordnung fuer eine farbbildkathodenstrahlroehre
US4045701A (en) * 1976-02-02 1977-08-30 Zenith Radio Corporation Shadow mask supported by cathode ray tube faceplate
US4191909A (en) * 1978-10-23 1980-03-04 Zenith Radio Corporation Color CRT with shadow mask having peripherally grooved skirt
DE3018623C2 (de) * 1980-05-16 1983-03-24 Kernforschungsanlage Jülich GmbH, 5170 Jülich Beschleunigungsgitter
NL8104894A (nl) * 1981-10-29 1983-05-16 Philips Nv Kleurenbeeldbuis.
US4599533A (en) * 1984-05-15 1986-07-08 Rca Corporation Color picture tube having shadow mask frame with truncated corners
FR2576452A1 (fr) * 1985-01-22 1986-07-25 Rca Corp Tube image couleur a masque d'ombre perfectionne
US4767962A (en) * 1986-07-02 1988-08-30 Zenith Electronics Corporation Color cathode ray tube and tensible shadow mask blank for use therein
US4748371A (en) * 1987-02-10 1988-05-31 Rca Licensing Corporation Cathode-ray tube shadow mask for low overscan
EP0841679B1 (de) * 1996-11-11 2003-02-12 Kabushiki Kaisha Toshiba Schattenmaske und Verfahren zu deren Herstellung
JP3536960B2 (ja) 1997-03-11 2004-06-14 株式会社 日立ディスプレイズ シャドウマスクを備えたカラー陰極線管
CN1165945C (zh) * 1997-03-14 2004-09-08 株式会社东芝 彩色阴极射线管
TW512389B (en) 1998-04-24 2002-12-01 Hitachi Ltd Color cathode ray tube having a shadow mask structure with curl reduced in a skirt portion thereof
JP2001110331A (ja) 1999-10-08 2001-04-20 Hitachi Ltd 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
AU2003289838A1 (en) * 2002-08-14 2004-03-11 Lg. Philips Displays Color display tube with improved color selection electrode
EP1432003A1 (de) * 2002-12-20 2004-06-23 Thomson Licensing S.A. Kathodenstrahlröhre mit Schattenmaske mit teilgeätztem Maskenrand und Rahmenbereich

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733366A (en) * 1956-01-31 Grimm ctal
BE540599A (de) * 1954-08-18
US3524973A (en) * 1968-08-13 1970-08-18 Sylvania Electric Prod Shadow mask supporting structure having thermal expansion correction means
US3660708A (en) * 1969-03-19 1972-05-02 Matsushita Electronics Corp Shadow mask support means for a color television image tube
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
US3809945A (en) * 1973-03-02 1974-05-07 Zenith Radio Corp Shadow mask for color cathode ray tube and method of manufacture thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2327808A (en) * 1997-07-23 1999-02-03 Lg Electronics Inc Shadow mask for a flat cathode ray tube
GB2327808B (en) * 1997-07-23 2000-01-19 Lg Electronics Inc Shadow mask for flat cathode ray tube

Also Published As

Publication number Publication date
FR2151051B1 (de) 1974-10-25
DE2242782B2 (de) 1976-04-29
US3862448A (en) 1975-01-21
FR2151051A1 (de) 1973-04-13
DE2242782A1 (de) 1973-03-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PE20 Patent expired after termination of 20 years