GB1249954A - Shadow masks for color television tubes - Google Patents

Shadow masks for color television tubes

Info

Publication number
GB1249954A
GB1249954A GB5684769A GB5684769A GB1249954A GB 1249954 A GB1249954 A GB 1249954A GB 5684769 A GB5684769 A GB 5684769A GB 5684769 A GB5684769 A GB 5684769A GB 1249954 A GB1249954 A GB 1249954A
Authority
GB
United Kingdom
Prior art keywords
blades
apertures
nov
contact
heading
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
GB5684769A
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.)
Sony Corp
Original Assignee
Sony 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
Priority claimed from JP8497568A external-priority patent/JPS4831018B1/ja
Priority claimed from JP9650168A external-priority patent/JPS4831019B1/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of GB1249954A publication Critical patent/GB1249954A/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
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
GB5684769A 1968-11-21 1969-11-20 Shadow masks for color television tubes Expired GB1249954A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8497568A JPS4831018B1 (https=) 1968-11-21 1968-11-21
JP9650168A JPS4831019B1 (https=) 1968-12-30 1968-12-30

Publications (1)

Publication Number Publication Date
GB1249954A true GB1249954A (en) 1971-10-13

Family

ID=26425944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5684769A Expired GB1249954A (en) 1968-11-21 1969-11-20 Shadow masks for color television tubes

Country Status (5)

Country Link
CA (1) CA921540A (https=)
DE (1) DE1958534B2 (https=)
FR (1) FR2023823A1 (https=)
GB (1) GB1249954A (https=)
NL (1) NL140097B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136300A (en) 1975-03-19 1979-01-23 Rca Corporation Cathode ray tube having improved shadow mask

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5244511B2 (https=) * 1972-08-30 1977-11-08
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
SU1461377A3 (ru) * 1984-05-25 1989-02-23 Рка Корпорейшн (Фирма) Цветной кинескоп

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136300A (en) 1975-03-19 1979-01-23 Rca Corporation Cathode ray tube having improved shadow mask

Also Published As

Publication number Publication date
FR2023823A1 (https=) 1970-08-21
NL6917634A (https=) 1970-05-25
NL140097B (nl) 1973-10-15
DE1958534A1 (de) 1970-10-01
DE1958534B2 (de) 1971-09-02
CA921540A (en) 1973-02-20

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