JPS5477516A - Distortion correction method for braun tube surface - Google Patents

Distortion correction method for braun tube surface

Info

Publication number
JPS5477516A
JPS5477516A JP14528677A JP14528677A JPS5477516A JP S5477516 A JPS5477516 A JP S5477516A JP 14528677 A JP14528677 A JP 14528677A JP 14528677 A JP14528677 A JP 14528677A JP S5477516 A JPS5477516 A JP S5477516A
Authority
JP
Japan
Prior art keywords
correction
position information
correction amount
correction method
distortion correction
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.)
Pending
Application number
JP14528677A
Other languages
Japanese (ja)
Inventor
Mokichi Higo
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP14528677A priority Critical patent/JPS5477516A/en
Publication of JPS5477516A publication Critical patent/JPS5477516A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To eliminate the adjustment and the time changing by giving the correction to the position information at the digital stage, and thus to omit the adjustment at the exchange time of the correction amount setting circuit.
CONSTITUTION: The digital position information given from digital position information forming circuit 21 receives the correction amount set previously through fixed memory correction amount adder circuit 22 and is then supplied to the deflecting coil after D/A conversion 23 and necessary amplification 24. In this way, the correction is given to both X-and y-coordinates systems, thus ensuring the effective correction for the image distortion.
COPYRIGHT: (C)1979,JPO&Japio
JP14528677A 1977-12-02 1977-12-02 Distortion correction method for braun tube surface Pending JPS5477516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14528677A JPS5477516A (en) 1977-12-02 1977-12-02 Distortion correction method for braun tube surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14528677A JPS5477516A (en) 1977-12-02 1977-12-02 Distortion correction method for braun tube surface

Publications (1)

Publication Number Publication Date
JPS5477516A true JPS5477516A (en) 1979-06-21

Family

ID=15381620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14528677A Pending JPS5477516A (en) 1977-12-02 1977-12-02 Distortion correction method for braun tube surface

Country Status (1)

Country Link
JP (1) JPS5477516A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924647A (en) * 1972-07-01 1974-03-05
JPS50149239A (en) * 1974-05-21 1975-11-29
JPS513537A (en) * 1974-06-27 1976-01-13 Tokyo Shibaura Electric Co JIDOHOSE ISOCHI
JPS52111336A (en) * 1976-03-16 1977-09-19 Nec Corp Memory device for correction data

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4924647A (en) * 1972-07-01 1974-03-05
JPS50149239A (en) * 1974-05-21 1975-11-29
JPS513537A (en) * 1974-06-27 1976-01-13 Tokyo Shibaura Electric Co JIDOHOSE ISOCHI
JPS52111336A (en) * 1976-03-16 1977-09-19 Nec Corp Memory device for correction data

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