High density isolated multi-channel magnetic circuit transducer

Claim 2

A compact magnetic multi-element signal transducer assembly for transducing with minimal crosstalk a number of independent information signals with corresponding signal tracks on a magnetic storage medium, comprising; a plurality of individual magnetic circuit core members in proximate spaced relation, each of said core members formed of a magnetic material and including an independent transducing gap having a first end portion adapted to cooperate with said storage medium for transducing signals therewith, common conducting means extending through each of said plurality of core members and spaced from said first end portion of said gap, a plurality of individual isolating signal coupling means each of which corresponds with a different one of said plurality of core members, each respective coupling means including its own pair of conductor segments, with adjacent pairs of said segments extending away from opposite sides of said common conducting means providing a separate conductive path between that signal coupling means and that core member corresponding thereto by respective electrical junctions joining said own conductors thereof with said common conducting means at either side of its corresponding core means, for each pair of said conductor segments at least one member conductor of adjacent pairs is connected at the same point to said common conducting means, said conductors of said coupling means and said electrical junctions providing a unique closed loop electrical path solely through each of said signal coupling means and its corresponding core member.

Claim 3

The invention according to claim 1, wherein each of said signal coupling means includes transformer means having a first winding consisting of a plurality of electrical turns and a second winding which is formed of said closed loop path provided by said common conducting means and said conductors.

Claim 4

The invention according to claim 1, wherein said core members are disposed in substantially symmetrical manner along a given axis, said coupling means for a given one of said core members being disposed to a first side of said axis, with the coupling means for said core member adjacent said given core member being disposed to the side of said axis opposite said first side.

Claim 5

The invention according to claim 1, wherein each of said core members includes an aperture therethrough in proximate relation with said transducing gap, said common conducting means extending through said apertures to form with said conductors a plurality of separate single turn closed loop signal paths for each of said core members.

Claim 6

The combination with a compact magnetic multi-element signal transducer assembly having a plurality of individual magnetic circuit core members each including an independent gap therein having a first end portion for cooperating with a record medium for transducing independent information signals with corresponding signal tracks on a magnetic storage meDium to provide a plurality of separate signal channels, wherein said transduced signals are coupled to and from said core members through conductive means exhibiting a significant impedance, means for minimizing crosstalk between said channels, comprising; a plurality of individual isolating signal coupling means each of which corresponds with a different one of said plurality of core members, a common conducting means extending through each of said plurality of core members and spaced from said first end gap portion, further signal conducting means forming a plurality of signal conducting wire segment pairs with adjacent pairs of said wire segments extending away from opposite sides of said common conducting means and which exhibit a significant impedance to a signal passed therethrough, wherein for each of said wire segment pairs means are provided for respectively connecting a first portion of each member of said wire segment pairs to said common conducting means at either side of its corresponding core member in a manner providing substantially zero impedance between said common conducting means and said wire pairs, for each of said conducting wire segment pairs at least one wire member of adjacent pairs is connected at the same point to said common conducting means, said common conducting means with said further conducting means providing magnetic flux through said core members and said gap and means coupling a further portion of each of said wire segment pairs to its isolating signal coupling means to form a unique closed loop electrical path solely through each of said isolating signal coupling means and its corresponding core member.

Claim 7

The combination with a compact magnetic multi-element signal transducer assembly having a plurality of individual magnetic circuit core members each including an independent gap therein having a first end portion for cooperating with a record medium for transducing independent information signals with corresponding signal tracks on a magnetic storage meDium to provide a plurality of separate signal channels, wherein said transduced signals are coupled to and from said core members through conductive means exhibiting a significant impedance, means for minimizing crosstalk between said channels, comprising; a plurality of individual isolating signal coupling means each of which corresponds with a different one of said plurality of core members, a common conducting means extending through each of said plurality of core members and spaced from said first end gap portion, further signal conducting means forming a plurality of signal conducting wire segment pairs with adjacent pairs of said wire segments extending away from opposite sides of said common conducting means and which exhibit a significant impedance to a signal passed therethrough, wherein for each of said wire segment pairs means are provided for respectively connecting a first portion of each member of said wire segment pairs to said common conducting means at either side of its corresponding core member in a manner providing substantially zero impedance between said common conducting means and said wire pairs, for each of said conducting wire segment pairs at least one wire member of adjacent pairs is connected at the same point to said common conducting means, said common conducting means with said further conducting means providing magnetic flux through said core members and said gap and means coupling a further portion of each of said wire segment pairs to its isolating signal coupling means to form a unique closed loop electrical path solely through each of said isolating signal coupling means and its corresponding core member.