GB1249497A - Apparatus for automatically eliminating an influence of the earth's magnetic field on colour television receivers - Google Patents

Apparatus for automatically eliminating an influence of the earth's magnetic field on colour television receivers

Info

Publication number
GB1249497A
GB1249497A GB61670/68A GB6167068A GB1249497A GB 1249497 A GB1249497 A GB 1249497A GB 61670/68 A GB61670/68 A GB 61670/68A GB 6167068 A GB6167068 A GB 6167068A GB 1249497 A GB1249497 A GB 1249497A
Authority
GB
United Kingdom
Prior art keywords
magnetic field
earth
arrangement
bridge
amplifiers
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
GB61670/68A
Other languages
English (en)
Inventor
Tetsuo Tokita
Junji Inagawa
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
Publication of GB1249497A publication Critical patent/GB1249497A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/29—Picture reproducers using cathode ray tubes using demagnetisation or compensation of external magnetic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Measuring Magnetic Variables (AREA)
GB61670/68A 1967-12-29 1968-12-30 Apparatus for automatically eliminating an influence of the earth's magnetic field on colour television receivers Expired GB1249497A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11046667 1967-12-29
JP1616068 1968-03-02

Publications (1)

Publication Number Publication Date
GB1249497A true GB1249497A (en) 1971-10-13

Family

ID=26352425

Family Applications (1)

Application Number Title Priority Date Filing Date
GB61670/68A Expired GB1249497A (en) 1967-12-29 1968-12-30 Apparatus for automatically eliminating an influence of the earth's magnetic field on colour television receivers

Country Status (4)

Country Link
DE (1) DE1817464A1 (https=)
FR (1) FR1600004A (https=)
GB (1) GB1249497A (https=)
NL (2) NL163404C (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179315A (en) * 1990-06-08 1993-01-12 U.S. Philips Corporation Circuit for the compensation of the horizontal component of the earth's magnetic field for a color picture tube of a high-resolution monitor
EP0675339A1 (en) * 1994-03-28 1995-10-04 Sony Corporation Geomagnetic direction sensor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017331A1 (de) * 1980-05-06 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kompensation von auf farbfernsehroehren einwirkenden magnetischen fremdfeldern
JPS61161093A (ja) * 1985-01-09 1986-07-21 Sony Corp ダイナミツクユニフオミテイ補正装置
JPH02206297A (ja) * 1989-02-06 1990-08-16 Mitsubishi Electric Corp カラー陰極線管の磁気キャンセル装置
DE9413937U1 (de) * 1994-08-31 1994-12-01 Fischer, Hans-Peter, 68647 Biblis Transportkiste für Gläser

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179315A (en) * 1990-06-08 1993-01-12 U.S. Philips Corporation Circuit for the compensation of the horizontal component of the earth's magnetic field for a color picture tube of a high-resolution monitor
EP0675339A1 (en) * 1994-03-28 1995-10-04 Sony Corporation Geomagnetic direction sensor
US5982176A (en) * 1994-03-28 1999-11-09 Sony Corporation Geomagnetic direction sensor

Also Published As

Publication number Publication date
NL6903194A (https=) 1969-09-04
NL6818834A (https=) 1969-07-01
FR1600004A (https=) 1970-07-20
DE1817464A1 (de) 1969-08-14
NL163404C (nl) 1980-08-15
NL163404B (nl) 1980-03-17

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