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BR7906856A - Mascara de sombra para um tubo de raios catodicos a cores - Google Patents

Mascara de sombra para um tubo de raios catodicos a cores

Info

Publication number
BR7906856A
BR7906856A BR7906856A BR7906856A BR7906856A BR 7906856 A BR7906856 A BR 7906856A BR 7906856 A BR7906856 A BR 7906856A BR 7906856 A BR7906856 A BR 7906856A BR 7906856 A BR7906856 A BR 7906856A
Authority
BR
Brazil
Prior art keywords
pipe
shadow mask
color
cathodic rays
rays
Prior art date
Application number
BR7906856A
Other languages
English (en)
Inventor
L Dougherty
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Publication of BR7906856A publication Critical patent/BR7906856A/pt

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
BR7906856A 1978-10-23 1979-10-22 Mascara de sombra para um tubo de raios catodicos a cores BR7906856A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/953,400 US4191909A (en) 1978-10-23 1978-10-23 Color CRT with shadow mask having peripherally grooved skirt

Publications (1)

Publication Number Publication Date
BR7906856A true BR7906856A (pt) 1980-07-15

Family

ID=25493939

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7906856A BR7906856A (pt) 1978-10-23 1979-10-22 Mascara de sombra para um tubo de raios catodicos a cores

Country Status (4)

Country Link
US (1) US4191909A (pt)
JP (1) JPS5581444A (pt)
BR (1) BR7906856A (pt)
CA (1) CA1124310A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8003608A (nl) * 1980-06-23 1982-01-18 Philips Nv Kleurenbeeldbuis.
NL8104894A (nl) * 1981-10-29 1983-05-16 Philips Nv Kleurenbeeldbuis.
NL8702399A (nl) * 1987-10-09 1989-05-01 Philips Nv Kleurenbeeldbuis voorzien van kleurselektie-elektrode met rand.
JP2001196002A (ja) * 2000-01-11 2001-07-19 Hitachi Ltd カラー陰極線管
KR100350622B1 (ko) * 2000-12-22 2002-08-30 엘지전자주식회사 컬러 음극선관
EP1432003A1 (en) * 2002-12-20 2004-06-23 Thomson Licensing S.A. Cathode ray tube (CRT) including a shadow mask with a partially etched mask border and skirt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345530A (en) * 1966-02-28 1967-10-03 Sylvania Electric Prod Colored television tube with a shadow mask supporting frame having inward ledge to shut off beam over-scan
DE2242782B2 (de) * 1971-09-03 1976-04-29 Hitachi, Ltd., Tokio Farbbildroehre mit einer farbauswahlelektrode
US3809945A (en) * 1973-03-02 1974-05-07 Zenith Radio Corp Shadow mask for color cathode ray tube and method of manufacture thereof
US3912963A (en) * 1973-09-07 1975-10-14 Zenith Radio Corp Color crt having shadow mask with forwardly directed, outwardly flared skirt

Also Published As

Publication number Publication date
CA1124310A (en) 1982-05-25
JPS5581444A (en) 1980-06-19
US4191909A (en) 1980-03-04

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