JPS5684850A - Beam index system color picture tube and color picture receiver - Google Patents

Beam index system color picture tube and color picture receiver

Info

Publication number
JPS5684850A
JPS5684850A JP16112979A JP16112979A JPS5684850A JP S5684850 A JPS5684850 A JP S5684850A JP 16112979 A JP16112979 A JP 16112979A JP 16112979 A JP16112979 A JP 16112979A JP S5684850 A JPS5684850 A JP S5684850A
Authority
JP
Japan
Prior art keywords
index
fluorescent
color picture
phase
signal
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
JP16112979A
Other languages
Japanese (ja)
Other versions
JPS61704B2 (en
Inventor
Kaoru Tomii
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP16112979A priority Critical patent/JPS5684850A/en
Publication of JPS5684850A publication Critical patent/JPS5684850A/en
Publication of JPS61704B2 publication Critical patent/JPS61704B2/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
    • H01J29/10—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
    • H01J29/327—Black matrix materials
    • 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
    • H01J29/34—Luminescent screens provided with permanent marks or references

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

PURPOSE:To obtain an index signal which isn't influenced by the picture image signal, by employing such stripe structure of index fluorescent material where the phase difference between index signals obtained at adjascent scanning lines is 180 deg.. CONSTITUTION:When viewing a fluorescent screen from the side of an electron gun, R, G, B color fluorescent materials 102 and black guard band 103 are provided, then a metal-back electrode 105 such as Al is formed on them while furthermore index fluorescent material 301, 302 are coated over it. the index fluorescent material 302 is formed only at the horizontal scanning start section where it is in parallel with R, G, B fluorescent materials 102 and having the same pitch with that of the triplet. The fluorescent material 301 has the same pitch with that of the triplet and coated in such a way that the phase is sifted by 180 deg. between adjascent scanning lines of horizontal scan. With such arrangement an index signal having one to one correspondence with the phase of the fluorescent materail is abtained, and the phase of color signal is never disturbed even if the index signal is missed during the scanning.
JP16112979A 1979-12-11 1979-12-11 Beam index system color picture tube and color picture receiver Granted JPS5684850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16112979A JPS5684850A (en) 1979-12-11 1979-12-11 Beam index system color picture tube and color picture receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16112979A JPS5684850A (en) 1979-12-11 1979-12-11 Beam index system color picture tube and color picture receiver

Publications (2)

Publication Number Publication Date
JPS5684850A true JPS5684850A (en) 1981-07-10
JPS61704B2 JPS61704B2 (en) 1986-01-10

Family

ID=15729144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16112979A Granted JPS5684850A (en) 1979-12-11 1979-12-11 Beam index system color picture tube and color picture receiver

Country Status (1)

Country Link
JP (1) JPS5684850A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05236485A (en) * 1992-02-20 1993-09-10 Matsushita Electric Ind Co Ltd Cathode-ray tube controller
JPH06121178A (en) * 1992-10-08 1994-04-28 Matsushita Electric Ind Co Ltd Cathode-ray tube controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05236485A (en) * 1992-02-20 1993-09-10 Matsushita Electric Ind Co Ltd Cathode-ray tube controller
JPH06121178A (en) * 1992-10-08 1994-04-28 Matsushita Electric Ind Co Ltd Cathode-ray tube controller

Also Published As

Publication number Publication date
JPS61704B2 (en) 1986-01-10

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