Claims
- 1. A coil arrangement comprising a magnetizable rod core and at least first, second and third adjacent coaxially positioned windings arranged approximately symmetrically with respect to said rod core, with said first and third windings being the outer of said adjacent windings and having approximately the same number of turns; and wherein: said first and third windings are connected in series opposition so that their respective magnetic fields act opposite one another in said rod core; said rod core is fixedly positioned so that it extends fully through said second winding and at least partially into each of said first and third windings, and so that said first and third windings have approximately equal inductances, whereby said series connected first and third windings are electromagnetically decoupled from said second winding; and said second winding is electrically isolated from said first and third windings, whereby said second winding and said series connected first and third windings can be connected in respectively separate circuits which may have different operating frequencies.
- 2. Coil arrangement according to claim 1 wherein all of said windings are wound in the same sense.
- 3. Coil arrangement according to claim 1, wherein said outer windings are wound in opposite senses.
- 4. Coil arrangement according to claim 1, wherein said rod core consists of a ferromagnetic material, in particular ferrite.
- 5. Coil arrangement according to claim 1, wherein all three windings are wound with wire of the same diameter.
- 6. Coil arrangement according to claim 1, wherein said second winding has the greater inductance.
- 7. A method of using a coil arrangement including a magnetizable rod core and at least first, second and third adjacent coaxially positioned windings arranged approximately symmetrically with respect to said rod core, with said first and third windings being the outer of said adjacent windings, having approximately the same number of turns, and being connected in series opposition so that their respective magnetic fields act opposite one another in said rod core, and wherein said second winding is electrically isolated from said first and third windings, and said rod core is fixedly positioned so that it extends fully through said second winding and at least partially into each of said first and third windings, and so that said first and third windings have approximately equal inductances, whereby said series connected first and third windings are electromagnetically decoupled from said second winding, said method comprising: connecting one of said second winding and said series connected first and third windings as the horizontal drive coil of the horizontal deflection circuit of a television receiver; and connecting the other of said second winding and said series connected first and third windings as the bridge coil of said horizontal deflection circuit.
- 8. A method of using a coil arrangement including a magnetizable rod core and at least first, second and third adjacent coaxially positioned windings arranged approximately symmetrically with respect to said rod core, with said first and third windings being the outer of said adjacent windings, having approximately the same number of turns, and being connected in series opposition so that their respective magnetic fields act opposite one another in said rod core, a fourth winding disposed only above said second winding, and wherein said second winding is electrically isolated from said first and third windings, and said rod core is fixedly positioned so that it extends fully through said second winding and at least partially into each of said first and third windings, and so that said first and third windings have approximately equal inductances, whereby said series connected first and third windings are electromagnetically decoupled from said second winding, said method comprising: connecting said series connected first and third windings in series with the vertical deflection coil of a television receiver as the vertical integrating coil of a vertical deflection circuit; connecting said second winding as the secondary winding of a line drive transformer for the horizontal deflection circuit for the television receiver; and connecting said fourth winding as the primary winding of said line drive transformer for the horizontal deflection circuit of the television receiver.
- 9. A method as defined in claim 8 wherein: said step of connecting said second winding comprises connecting said second winding in series with the input of a line end transistor for the horizontal deflection coils; and said step of connecting said fourth winding comprises connecting said fourth winding in series with the output of an amplifying transistor for horizontal line drive impulses.
- 10. A method of using a coil arrangement including a magnetizable rod core and first, second and third adjacent coaxially positioned windings arranged approximately symmetrically with respect to said rod core, with said first and third windings being the outer of the three said adjacent windings, having approximately the same number of turns and being connected in series opposition so that their respective magnetic fields act opposite one another in said rod core, said method comprising: fixedly positioning said rod core so that it extends fully through said second winding and at least partially into each of said first and third windings and so that said first and third windings have approximately equal inductances; connecting said second winding as the horizontal drive coil for the horizontal deflection coils of the horizontal deflection circuit of a television receiver; and connecting said series connected first and third windings as the bridge coil of said horizontal deflection circuit of the television receiver.
- 11. A method of using a coil arrangement including a magnetizable rod core, first, second and third adjacent coaxially positioned windings arranged approximately symmetrically with respect to said rod core, and a fourth winding symmetrically disposed above only said second winding, and wherein said first and third windings are the outer of the three said adjacent windings, have approximately the same number of turns and are connected in series opposition so that their respective magnetic fields act opposite one another in said rod core, said method comprising: fixedly positioning said rod core so that it extends fully through said second winding and at least partially into each of said first and third windings and so that said first and third windings have approximately equal inductances; connecting said series connected first and third windings into the vertical deflection circuit of a television receiver; and connecting said second and fourth windings into the horizontal deflection circuit of the television receiver.
- 12. A method as defined in claim 11 wherein: said step of connecting said series connected first and third windings comprises connecting said first and third windings in series with the vertical deflection coils of the television receiver as the vertical integration coil; and said step of connecting said second and fourth windings includes connecting said second and fourth windings as the secondary winding and the primary winding respectively of a line drive transformer of the horizontal deflection circuit of the television receiver.
- 13. A method as defined in claim 12 wherein said second winding is connected in series with the input of a line end transistor for the horizontal deflection coils and said fourth winding is connected in series with the output of an amplifying transistor for horizontal line drive impulses.
Priority Claims (1)
Number |
Date |
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Kind |
3429976 |
Aug 1984 |
DEX |
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Parent Case Info
This is a continuation of application Ser. No. 06/765,967 filed Aug. 15th, 1985.
US Referenced Citations (14)
Continuations (1)
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Number |
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06765967 |
Aug 1985 |
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