JPS5247321A - Earth magnetism detection equipment of color tv receiver - Google Patents

Earth magnetism detection equipment of color tv receiver

Info

Publication number
JPS5247321A
JPS5247321A JP12304275A JP12304275A JPS5247321A JP S5247321 A JPS5247321 A JP S5247321A JP 12304275 A JP12304275 A JP 12304275A JP 12304275 A JP12304275 A JP 12304275A JP S5247321 A JPS5247321 A JP S5247321A
Authority
JP
Japan
Prior art keywords
earth magnetism
receiver
color
detection equipment
magnetism detection
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
JP12304275A
Other languages
Japanese (ja)
Inventor
Hideo Hatada
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP12304275A priority Critical patent/JPS5247321A/en
Publication of JPS5247321A publication Critical patent/JPS5247321A/en
Pending legal-status Critical Current

Links

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

PURPOSE: The earth magnetism is detected when horizontal deflection current is 0 by use of two magnetic field detection units. Thus, mislanding by earth magnetism can be corrected automatically.
COPYRIGHT: (C)1977,JPO&Japio
JP12304275A 1975-10-13 1975-10-13 Earth magnetism detection equipment of color tv receiver Pending JPS5247321A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12304275A JPS5247321A (en) 1975-10-13 1975-10-13 Earth magnetism detection equipment of color tv receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12304275A JPS5247321A (en) 1975-10-13 1975-10-13 Earth magnetism detection equipment of color tv receiver

Publications (1)

Publication Number Publication Date
JPS5247321A true JPS5247321A (en) 1977-04-15

Family

ID=14850759

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12304275A Pending JPS5247321A (en) 1975-10-13 1975-10-13 Earth magnetism detection equipment of color tv receiver

Country Status (1)

Country Link
JP (1) JPS5247321A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118133A (en) * 1978-03-07 1979-09-13 Sony Corp Landing corrector for color television picture receiver
JPS61289788A (en) * 1985-06-17 1986-12-19 Mitsubishi Electric Corp Color cathode ray tube display device
JPS62104392A (en) * 1985-10-31 1987-05-14 Japan Radio Co Ltd Color shift prevention system for color crt monitor
US4996461A (en) * 1989-09-07 1991-02-26 Hughes Aircraft Company Closed loop bucking field system
US5604403A (en) * 1995-06-06 1997-02-18 Aydin Corporation Color monitor magnetic shield

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54118133A (en) * 1978-03-07 1979-09-13 Sony Corp Landing corrector for color television picture receiver
JPS6253997B2 (en) * 1978-03-07 1987-11-12 Sony Corp
JPS61289788A (en) * 1985-06-17 1986-12-19 Mitsubishi Electric Corp Color cathode ray tube display device
JPS62104392A (en) * 1985-10-31 1987-05-14 Japan Radio Co Ltd Color shift prevention system for color crt monitor
US4996461A (en) * 1989-09-07 1991-02-26 Hughes Aircraft Company Closed loop bucking field system
EP0421592A2 (en) * 1989-09-07 1991-04-10 Hughes Aircraft Company Closed loop bucking field system
US5604403A (en) * 1995-06-06 1997-02-18 Aydin Corporation Color monitor magnetic shield

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