JPS5248923A - Crt raster distortion correcting unit - Google Patents

Crt raster distortion correcting unit

Info

Publication number
JPS5248923A
JPS5248923A JP12435275A JP12435275A JPS5248923A JP S5248923 A JPS5248923 A JP S5248923A JP 12435275 A JP12435275 A JP 12435275A JP 12435275 A JP12435275 A JP 12435275A JP S5248923 A JPS5248923 A JP S5248923A
Authority
JP
Japan
Prior art keywords
raster distortion
correcting unit
distortion correcting
crt raster
magnetic field
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
JP12435275A
Other languages
Japanese (ja)
Inventor
Hiroyuki Kawamoto
Mamoru Tarui
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 JP12435275A priority Critical patent/JPS5248923A/en
Publication of JPS5248923A publication Critical patent/JPS5248923A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: The external induction magnetic field is detected for its occurrence in order to oxcite the raster distortion correction magnet. In this way, the raster distortion caused by external induction magnetic field occurring in termittently can be effectively removed.
COPYRIGHT: (C)1977,JPO&Japio
JP12435275A 1975-10-17 1975-10-17 Crt raster distortion correcting unit Pending JPS5248923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12435275A JPS5248923A (en) 1975-10-17 1975-10-17 Crt raster distortion correcting unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12435275A JPS5248923A (en) 1975-10-17 1975-10-17 Crt raster distortion correcting unit

Publications (1)

Publication Number Publication Date
JPS5248923A true JPS5248923A (en) 1977-04-19

Family

ID=14883246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12435275A Pending JPS5248923A (en) 1975-10-17 1975-10-17 Crt raster distortion correcting unit

Country Status (1)

Country Link
JP (1) JPS5248923A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556455A (en) * 1978-06-29 1980-01-17 Nippon Kokan Kk <Nkk> Measuring apparatus of charge distributions in blast furnace
JPS5950336A (en) * 1982-09-16 1984-03-23 Nippon Steel Corp Temperature measuring, gas collecting or gas pressure measuring device in shaft furnace such as blast furnace or the like

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS556455A (en) * 1978-06-29 1980-01-17 Nippon Kokan Kk <Nkk> Measuring apparatus of charge distributions in blast furnace
JPS5719723B2 (en) * 1978-06-29 1982-04-24
JPS5950336A (en) * 1982-09-16 1984-03-23 Nippon Steel Corp Temperature measuring, gas collecting or gas pressure measuring device in shaft furnace such as blast furnace or the like

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