JPH0156594B2 - - Google Patents

Info

Publication number
JPH0156594B2
JPH0156594B2 JP16949480A JP16949480A JPH0156594B2 JP H0156594 B2 JPH0156594 B2 JP H0156594B2 JP 16949480 A JP16949480 A JP 16949480A JP 16949480 A JP16949480 A JP 16949480A JP H0156594 B2 JPH0156594 B2 JP H0156594B2
Authority
JP
Japan
Prior art keywords
convergence
magnification
picture tube
detection
lens
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
JP16949480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5793779A (en
Inventor
Kazunari Hirayama
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
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP16949480A priority Critical patent/JPS5793779A/ja
Publication of JPS5793779A publication Critical patent/JPS5793779A/ja
Publication of JPH0156594B2 publication Critical patent/JPH0156594B2/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • H01J2229/0053—Demagnetisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
JP16949480A 1980-12-03 1980-12-03 Convergence measuring device Granted JPS5793779A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16949480A JPS5793779A (en) 1980-12-03 1980-12-03 Convergence measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16949480A JPS5793779A (en) 1980-12-03 1980-12-03 Convergence measuring device

Publications (2)

Publication Number Publication Date
JPS5793779A JPS5793779A (en) 1982-06-10
JPH0156594B2 true JPH0156594B2 (enrdf_load_stackoverflow) 1989-11-30

Family

ID=15887559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16949480A Granted JPS5793779A (en) 1980-12-03 1980-12-03 Convergence measuring device

Country Status (1)

Country Link
JP (1) JPS5793779A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2707668B2 (ja) * 1988-12-27 1998-02-04 ミノルタ株式会社 カラーｃｒｔのコンバーゼンス測定装置

Also Published As

Publication number Publication date
JPS5793779A (en) 1982-06-10

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