GB1445619A - Colour cathode ray tube - Google Patents

Colour cathode ray tube

Info

Publication number
GB1445619A
GB1445619A GB4057973A GB4057973A GB1445619A GB 1445619 A GB1445619 A GB 1445619A GB 4057973 A GB4057973 A GB 4057973A GB 4057973 A GB4057973 A GB 4057973A GB 1445619 A GB1445619 A GB 1445619A
Authority
GB
United Kingdom
Prior art keywords
slits
stripes
bridge portions
curved
aug
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
GB4057973A
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1445619A publication Critical patent/GB1445619A/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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H01J29/325—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television with adjacent lines
    • 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
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H01J9/2272—Devices for carrying out the processes, e.g. light houses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2278—Application of light absorbing material, e.g. between the luminescent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB4057973A 1972-08-30 1973-08-29 Colour cathode ray tube Expired GB1445619A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47086354A JPS5244511B2 (OSRAM) 1972-08-30 1972-08-30

Publications (1)

Publication Number Publication Date
GB1445619A true GB1445619A (en) 1976-08-11

Family

ID=13884535

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4057973A Expired GB1445619A (en) 1972-08-30 1973-08-29 Colour cathode ray tube

Country Status (8)

Country Link
US (1) US3889145A (OSRAM)
JP (1) JPS5244511B2 (OSRAM)
CA (1) CA1086810A (OSRAM)
DE (1) DE2343777B2 (OSRAM)
FR (1) FR2198259B1 (OSRAM)
GB (1) GB1445619A (OSRAM)
IT (1) IT993840B (OSRAM)
NL (1) NL172704B (OSRAM)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070596A (en) * 1971-08-27 1978-01-24 Tokyo Shibaura Electric Co., Ltd. In-line plural beams cathode ray tube having color phosphor element strips spaced from each other by intervening light absorbing areas and slit-shaped aperture mask
NL7303077A (OSRAM) * 1973-03-06 1974-09-10
JPS6024533B2 (ja) * 1973-12-10 1985-06-13 日本電気株式会社 シヤドウマスクの製造方法
JPS5727574B2 (OSRAM) * 1974-03-13 1982-06-11
US4136300A (en) * 1975-03-19 1979-01-23 Rca Corporation Cathode ray tube having improved shadow mask
CA1065003A (en) * 1975-05-05 1979-10-23 Albert M. Morrell Cathode ray tube having improved line-screen structure
JPS5224073A (en) * 1975-07-15 1977-02-23 Nec Corp Color braun tube use shadow mask plate
NL7602752A (nl) * 1976-03-17 1977-09-20 Philips Nv Belichtingsinrichting voor het vervaardigen van beeldschermen van kleurentelevisiebeeldbuizen en beeldbuis vervaardigd met een dergelijke inrich- ting.
JPS5310961A (en) * 1976-07-19 1978-01-31 Hitachi Ltd Color picture tube
DE2656995C2 (de) * 1976-12-16 1983-12-01 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Rechteckförmige Farbwahlmaske für eine Farbbildkathodenstrahlröhre
NL7703233A (nl) * 1977-03-25 1978-09-27 Philips Nv Televisieweergeefbuis.
NL7711713A (nl) * 1977-10-26 1979-05-01 Philips Nv Kleurenbeeldbuis.
US4181870A (en) * 1978-03-08 1980-01-01 Zenith Radio Corporation Assembly of electron guns having different gamma values
DE2833092A1 (de) * 1978-07-28 1980-02-07 Licentia Gmbh Farbbildkathodenstrahlroehre und verfahren zu deren herstellung
GB2052144A (en) * 1979-06-27 1981-01-21 Ibm Shadow mask colour television tubes
NL8005409A (nl) * 1980-09-30 1982-04-16 Philips Nv Kleurenbeeldbuis.
US4568162A (en) * 1983-08-19 1986-02-04 Rca Corporation Method for screening line screen slit mask color picture tubes
US4516841A (en) * 1983-08-19 1985-05-14 Rca Corporation Method for screening line screen slit mask color picture tubes
SU1461377A3 (ru) * 1984-05-25 1989-02-23 Рка Корпорейшн (Фирма) Цветной кинескоп
JP2534644B2 (ja) * 1984-09-13 1996-09-18 株式会社東芝 カラ−受像管
US4697119A (en) * 1985-01-11 1987-09-29 Kabushiki Kaisha Toshiba Color cathode ray tube having a non-spherical curved mask
IN165336B (OSRAM) * 1985-03-14 1989-09-23 Rca Corp
US4631441A (en) * 1985-03-14 1986-12-23 Rca Corporation Color picture tube having improved line screen
US4691138A (en) * 1985-03-14 1987-09-01 Rca Corporation Color picture tube having shadow mask with varied aperture column spacing
US4634247A (en) * 1985-12-19 1987-01-06 Rca Corporation Method for screening line screen slit mask color picture tubes
TW297907B (OSRAM) * 1994-07-14 1997-02-11 Toshiba Co Ltd

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL212758A (OSRAM) * 1955-12-07
NL262149A (OSRAM) * 1961-03-08
GB1249954A (en) * 1968-11-21 1971-10-13 Sony Corp Shadow masks for color television tubes
US3790839A (en) * 1972-04-04 1974-02-05 Zenith Radio Corp Rectangular grade black surround screen

Also Published As

Publication number Publication date
NL172704B (nl) 1983-05-02
DE2343777A1 (de) 1974-03-14
FR2198259A1 (OSRAM) 1974-03-29
NL7311931A (OSRAM) 1974-03-04
JPS5244511B2 (OSRAM) 1977-11-08
JPS4943568A (OSRAM) 1974-04-24
IT993840B (it) 1975-09-30
CA1086810A (en) 1980-09-30
FR2198259B1 (OSRAM) 1977-08-05
DE2343777B2 (de) 1976-12-02
US3889145A (en) 1975-06-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19930828