JPS5564474A - Saturable reactor unit for pincushion distortion correction - Google Patents

Saturable reactor unit for pincushion distortion correction

Info

Publication number
JPS5564474A
JPS5564474A JP13830278A JP13830278A JPS5564474A JP S5564474 A JPS5564474 A JP S5564474A JP 13830278 A JP13830278 A JP 13830278A JP 13830278 A JP13830278 A JP 13830278A JP S5564474 A JPS5564474 A JP S5564474A
Authority
JP
Japan
Prior art keywords
coil
current
pincushion distortion
winding
core
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.)
Granted
Application number
JP13830278A
Other languages
Japanese (ja)
Other versions
JPS6035870B2 (en
Inventor
Masayuki Yasumura
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 JP13830278A priority Critical patent/JPS6035870B2/en
Publication of JPS5564474A publication Critical patent/JPS5564474A/en
Publication of JPS6035870B2 publication Critical patent/JPS6035870B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Details Of Television Scanning (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

PURPOSE: To correct right and left pincushion distortion by varying secondary inductance by a primary current by coupling two cores with a clearance and then by allowing magnetic fluxes, generated by coils wound around both cores, to cross at right angles.
CONSTITUTION: Foot parts of channel-shaped core 1 and channel-shaped core 2 turned by 90° are coupled together with gap (g). Primary coil 3 is wound around one foot part 1a of core 1 and secondary coil 4 around one foot part of core 2. Next, coil 3 is supplied with parabolic current IV of vertical cycles applied with an adequate direct-current bias, and coil 4 with horizontal polarizing current IH. When the number of times of winding of coil 3 is denoted Nv, the number of times of winding Nv is made large and current Iv is decreased to saturate magnetic flux (ϕv) by magnetizing force; and the number of times of winding NH of coil 4 thickened in diameter is made large enough to obtain needed variable inductance for left and right pincushion distortion and gap (g) is provided to prevent magnetic flux (ϕH) from being saturated. This constitution provides the variation in inductance of coil by parabolic current Iv, so that left and right pincushion distortion can be corrected.
COPYRIGHT: (C)1980,JPO&Japio
JP13830278A 1978-11-09 1978-11-09 Saturable reactor device for pincushion distortion correction Expired JPS6035870B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13830278A JPS6035870B2 (en) 1978-11-09 1978-11-09 Saturable reactor device for pincushion distortion correction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13830278A JPS6035870B2 (en) 1978-11-09 1978-11-09 Saturable reactor device for pincushion distortion correction

Publications (2)

Publication Number Publication Date
JPS5564474A true JPS5564474A (en) 1980-05-15
JPS6035870B2 JPS6035870B2 (en) 1985-08-16

Family

ID=15218691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13830278A Expired JPS6035870B2 (en) 1978-11-09 1978-11-09 Saturable reactor device for pincushion distortion correction

Country Status (1)

Country Link
JP (1) JPS6035870B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999031685A1 (en) * 1996-11-26 1999-06-24 Tohoku Electric Power Company, Incorporated Linear variable reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999031685A1 (en) * 1996-11-26 1999-06-24 Tohoku Electric Power Company, Incorporated Linear variable reactor

Also Published As

Publication number Publication date
JPS6035870B2 (en) 1985-08-16

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