JPS5723446A - Shadow mask for color picture tube - Google Patents

Shadow mask for color picture tube

Info

Publication number
JPS5723446A
JPS5723446A JP9749580A JP9749580A JPS5723446A JP S5723446 A JPS5723446 A JP S5723446A JP 9749580 A JP9749580 A JP 9749580A JP 9749580 A JP9749580 A JP 9749580A JP S5723446 A JPS5723446 A JP S5723446A
Authority
JP
Japan
Prior art keywords
hole section
shadow mask
pitch
quadratic curve
picture tube
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.)
Granted
Application number
JP9749580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6367308B2 (enrdf_load_stackoverflow
Inventor
Makoto Kudo
Yasushi Sengoku
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
Toshiba Corp
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9749580A priority Critical patent/JPS5723446A/ja
Publication of JPS5723446A publication Critical patent/JPS5723446A/ja
Publication of JPS6367308B2 publication Critical patent/JPS6367308B2/ja
Granted 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)
JP9749580A 1980-07-18 1980-07-18 Shadow mask for color picture tube Granted JPS5723446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9749580A JPS5723446A (en) 1980-07-18 1980-07-18 Shadow mask for color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9749580A JPS5723446A (en) 1980-07-18 1980-07-18 Shadow mask for color picture tube

Publications (2)

Publication Number Publication Date
JPS5723446A true JPS5723446A (en) 1982-02-06
JPS6367308B2 JPS6367308B2 (enrdf_load_stackoverflow) 1988-12-23

Family

ID=14193841

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9749580A Granted JPS5723446A (en) 1980-07-18 1980-07-18 Shadow mask for color picture tube

Country Status (1)

Country Link
JP (1) JPS5723446A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565028A1 (fr) * 1984-05-25 1985-11-29 Rca Corp Tube image couleur a masque d'ombre a fentes
JPS6381502U (enrdf_load_stackoverflow) * 1986-11-17 1988-05-28
US4794299A (en) * 1986-03-25 1988-12-27 Zenith Electronics Corporation Flat tension mask color CRT front assembly with improved mask for degrouping error compensation
JPH0589794A (ja) * 1992-04-03 1993-04-09 Mitsubishi Electric Corp カラー陰極線管

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565028A1 (fr) * 1984-05-25 1985-11-29 Rca Corp Tube image couleur a masque d'ombre a fentes
US4665339A (en) * 1984-05-25 1987-05-12 Rca Corporation Color picture tube having improved slit column pattern
US4794299A (en) * 1986-03-25 1988-12-27 Zenith Electronics Corporation Flat tension mask color CRT front assembly with improved mask for degrouping error compensation
JPS6381502U (enrdf_load_stackoverflow) * 1986-11-17 1988-05-28
JPH0589794A (ja) * 1992-04-03 1993-04-09 Mitsubishi Electric Corp カラー陰極線管

Also Published As

Publication number Publication date
JPS6367308B2 (enrdf_load_stackoverflow) 1988-12-23

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