JPS5247321A - Earth magnetism detection equipment of color tv receiver - Google Patents
Earth magnetism detection equipment of color tv receiverInfo
- 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
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
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)
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 |
-
1975
- 1975-10-13 JP JP12304275A patent/JPS5247321A/en active Pending
Cited By (7)
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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