JPS567570A - Purity automatic adjusting system for color braun tube - Google Patents

Purity automatic adjusting system for color braun tube

Info

Publication number
JPS567570A
JPS567570A JP8331679A JP8331679A JPS567570A JP S567570 A JPS567570 A JP S567570A JP 8331679 A JP8331679 A JP 8331679A JP 8331679 A JP8331679 A JP 8331679A JP S567570 A JPS567570 A JP S567570A
Authority
JP
Japan
Prior art keywords
screen
color
braun tube
center
black
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
JP8331679A
Other languages
Japanese (ja)
Other versions
JPS6244376B2 (en
Inventor
Mitsuzo Nakahata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8331679A priority Critical patent/JPS567570A/en
Publication of JPS567570A publication Critical patent/JPS567570A/en
Publication of JPS6244376B2 publication Critical patent/JPS6244376B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/04—Diagnosis, testing or measuring for television systems or their details for receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

PURPOSE:To automate the purity adjustment, by picking up the mono color belt produced on the color Braun tube by means of black-and-white television and adjustment so that the video signal level at a symmetrical position to the center line of the screen of the Braun tube can be equal. CONSTITUTION:The black-and-white television camera 10 is installed on the extension of the center axis of the screen of the in-line type color Braun tube (CPT)1 and the entire CPT screen is picked up via the optical filter 11 of the same color as the color belt pictured on the screen of the CPT1. Taking the left and right two points which are symmetrical relating to the center line at the center of up and down direction of the screen, horizontally as monitor points, the signal corresponding to the monitor points among the video signals obtained from the black-and- white television camera 10 at the video signal detection circuit 12, is delivered to the control section 18. The adjustment of the center purity is made with the magnet drive section 17 so that the difference between the detected voltages left and right can be zeroed.
JP8331679A 1979-06-30 1979-06-30 Purity automatic adjusting system for color braun tube Granted JPS567570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8331679A JPS567570A (en) 1979-06-30 1979-06-30 Purity automatic adjusting system for color braun tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8331679A JPS567570A (en) 1979-06-30 1979-06-30 Purity automatic adjusting system for color braun tube

Publications (2)

Publication Number Publication Date
JPS567570A true JPS567570A (en) 1981-01-26
JPS6244376B2 JPS6244376B2 (en) 1987-09-19

Family

ID=13799011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8331679A Granted JPS567570A (en) 1979-06-30 1979-06-30 Purity automatic adjusting system for color braun tube

Country Status (1)

Country Link
JP (1) JPS567570A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61501472A (en) * 1984-07-26 1986-07-17 シユトピンク　アクチエンゲゼルシヤフト Electromagnetic filling level measuring device for metal containers
JPS63298938A (en) * 1987-05-28 1988-12-06 Matsushita Electric Ind Co Ltd Purity regulating device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102604540B1 (en) * 2023-07-10 2023-11-22 포항공과대학교 산학협력단 Ultrasound probe for whole lesion monitoring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61501472A (en) * 1984-07-26 1986-07-17 シユトピンク　アクチエンゲゼルシヤフト Electromagnetic filling level measuring device for metal containers
JPS63298938A (en) * 1987-05-28 1988-12-06 Matsushita Electric Ind Co Ltd Purity regulating device

Also Published As

Publication number Publication date
JPS6244376B2 (en) 1987-09-19

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