Inductor devices – Coil or coil turn supports or spacers – Printed circuit-type coil
Patent
1979-09-04
1982-01-12
Kozma, Thomas J.
Inductor devices
Coil or coil turn supports or spacers
Printed circuit-type coil
336221, 336232, 360123, A01F 2778
Patent
active
043108210
ABSTRACT:
The printed inductance comprises at least a first conductive rectangular spiral having its geometric origin on the long midline of the rectangle and which is adapted to be folded at its midline while being supported by one of the faces of a flexible insulating supporting-plate. The supporting-plate is folded back through 180.degree. along the midline axis passing through the geometric origin of the spiral. The geometric origin of the rectangular spiral coincides with the internal connecting terminal of the conductive spiral, so as to produce a magnetic field which is coplanar with the plane of the folded supporting-plate. A second conductive spiral conforming in every respect to the first spiral may be supported by the other face of the supporting-plate. The first and second rectangular spirals are thus seen to be identical and symmetrical with respect to the fold axis. A hole having metallized walls connects the internal terminals of the spirals therebetween. A flat magnetic element and/or an insulating insert may be sandwiched by the inside facing half-faces of the supporting-plate. The printed inductance which is so constructed and arranged may be used in a magnetic transcription device.
REFERENCES:
patent: 2014524 (1935-09-01), Franz
patent: 2831135 (1958-04-01), Hanlet
patent: 2831136 (1958-04-01), Hanlet
patent: 3238480 (1966-03-01), Killoran
patent: 3697911 (1972-10-01), Strauss, Jr.
Kozma Thomas J.
Saffitz Abraham A.
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