BE786482A - Perfectionnements aux tubes a rayons cathodiques - Google Patents

Perfectionnements aux tubes a rayons cathodiques

Info

Publication number
BE786482A
BE786482A BE786482A BE786482A BE786482A BE 786482 A BE786482 A BE 786482A BE 786482 A BE786482 A BE 786482A BE 786482 A BE786482 A BE 786482A BE 786482 A BE786482 A BE 786482A
Authority
BE
Belgium
Prior art keywords
ray tubes
cathodic ray
cathodic
tubes
ray
Prior art date
Application number
BE786482A
Other languages
English (en)
Inventor
R H Godfrey
A M Morrell
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of BE786482A publication Critical patent/BE786482A/fr

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
    • H01J29/322—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 dots
    • 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
BE786482A 1971-07-22 1972-07-19 Perfectionnements aux tubes a rayons cathodiques BE786482A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/165,098 US4109177A (en) 1971-07-22 1971-07-22 Cathode-ray tube having apertured mask

Publications (1)

Publication Number Publication Date
BE786482A true BE786482A (fr) 1972-11-16

Family

ID=22597416

Family Applications (1)

Application Number Title Priority Date Filing Date
BE786482A BE786482A (fr) 1971-07-22 1972-07-19 Perfectionnements aux tubes a rayons cathodiques

Country Status (8)

Country Link
US (1) US4109177A (fr)
JP (1) JPS5534538B1 (fr)
BE (1) BE786482A (fr)
CA (1) CA1076636A (fr)
DE (1) DE2235904A1 (fr)
FR (1) FR2146377B1 (fr)
GB (1) GB1358811A (fr)
NL (1) NL175479C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5310961A (en) * 1976-07-19 1978-01-31 Hitachi Ltd Color picture tube
NL8005409A (nl) * 1980-09-30 1982-04-16 Philips Nv Kleurenbeeldbuis.
NL190825C (nl) * 1988-11-26 1994-09-01 Samsung Electronic Devices Schaduwmasker voor een kleurenkathodestraalbuis.
US5243253A (en) * 1991-07-30 1993-09-07 Thomson Consumer Electronics, Inc. Color picture tube having shadow mask with improved tie bar grading
JP2530150Y2 (ja) * 1993-01-06 1997-03-26 城田電気炉材株式会社 歯科用の麻酔剤等の注射装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947899A (en) * 1958-01-23 1960-08-02 Zenith Radio Corp Color image reproducers
US3358175A (en) * 1962-07-06 1967-12-12 Rca Corp Cathode ray tube with mosaic type phosphor screen
US3632339A (en) * 1969-04-28 1972-01-04 Zenith Radio Corp Method of screening a color cathode-ray tube
US3652895A (en) * 1969-05-23 1972-03-28 Tokyo Shibaura Electric Co Shadow-mask having graduated rectangular apertures
JPS4831372B1 (fr) * 1969-05-31 1973-09-28

Also Published As

Publication number Publication date
US4109177A (en) 1978-08-22
GB1358811A (en) 1974-07-03
CA1076636A (fr) 1980-04-29
AU4415572A (en) 1974-01-10
FR2146377A1 (fr) 1973-03-02
DE2235904A1 (de) 1973-02-01
NL175479C (nl) 1984-11-01
JPS5534538B1 (fr) 1980-09-08
FR2146377B1 (fr) 1976-10-29
NL175479B (nl) 1984-06-01
NL7210122A (fr) 1973-01-24

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