Magnetic core storage matrices

Claim 2

A magnetic core storage apparatus comprising a plurality of magnetic storage cores arranged to form a matrix, a resilient support layer on one side of said core matrix and provided with recesses in which the cores of the matrix are supported, and wherein the resilient material of the support layer is impregnated with fine iron powder of an iron compound having a high magnetic permeability and a low magnetic remanence, a rigid soft iron plate adjacent to and supporting said layer and located at the side away from the recesses so that a thin layer of resilient material of said support layer is maintained between each core in its recess and said rigid plate, and means for inducing a magnetic flux in predetermined ones of said cores so as to disable said cores, said flux inducing means including at least one magnetic member mounted on the other side of said cores that is away from said support layer and contacting said predetermined cores to press said cores against said thin layer of resilient material, said thin layer of resilient material being deformable under the pressure of said cores so as to conform to the shape of the part of the core in contact therewith and being capable of resuming its original shape upon the removal of said pressure.

Claim 3

A magnetic core storage apparatus comprising a plurality of magnetic storage cores arranged to form a matrix, a resilient support layer on one side of said core matrix and provided with recesses in which the cores of the matrix are supported, a plurality of conDuctors threaded through said cores, a rigid soft iron plate adjacent to and supporting said layer and located at the side away from the recesses so that a thin layer of resilient material of said support layer is maintained between each core in its recess and said rigid plate, a covering layer located adjacent to and extending along the resilient support layer so that said conductors are located between said covering layer and said support layer, said covering layer having a plurality of openings therein in front of individual recesses in the support layer, the parts of the cores extending outside the recesses of said support layer being located at least for the greater part in said openings of the covering layer, and means for inducing a magnetic flux in predetermined ones of said cores so as to disable said cores, said flux inducing means including at least one magnetic member mounted on the other side of said cores that is away from said support layer and contacting said predetermined cores to press said cores against said thin layer of resilient material, said thin layer of resilient material being deformable under the pressure of said cores so as to conform to the shape of the part of the core in contact therewith and being capable of resuming its original shape upon the removal of said pressure.

Claim 4

A magnetic core storage apparatus comprising a plurality of magnetic storage cores arranged to form a matrix, a resilient support layer on one side of said core matrix and provided with recesses in which the cores of the matrix are supported, a plurality of conDuctors threaded through said cores, a rigid soft iron plate adjacent to and supporting said layer and located at the side away from the recesses so that a thin layer of resilient material of said support layer is maintained between each core in its recess and said rigid plate, a covering layer located adjacent to and extending along the resilient support layer so that said conductors are located between said covering layer and said support layer, said covering layer having a plurality of openings therein in front of individual recesses in the support layer, the parts of the cores extending outside the recesses of said support layer being located at least for the greater part in said openings of the covering layer, and means for inducing a magnetic flux in predetermined ones of said cores so as to disable said cores, said flux inducing means including at least one magnetic member mounted on the other side of said cores that is away from said support layer and contacting said predetermined cores to press said cores against said thin layer of resilient material, said thin layer of resilient material being deformable under the pressure of said cores so as to conform to the shape of the part of the core in contact therewith and being capable of resuming its original shape upon the removal of said pressure.

Claim 5

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matrix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, a rigid support plate parallel with said layer and adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, and said permanent magnet means comprises, a pair of transversely magnetized permanent bar magnets positioned adjacent two opposite edges of said rigid support plate, and a plurality of notched bars of high magnetic permeability mounted in rows on the side of said cores that is away from said support plate and between said pair of bar magnets in alignment with said cores and containing teeth arranged in a pattern corresponding to the selected cores, the ends of said teeth abutting the selected cores in compressive contact therewith.

Claim 6

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matrix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, a rigid support plate parallel with said layer and adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, and said permanent magnet means comprises, a pair of transversely magnetized permanent bar magnets positioned adjacent two opposite edges of said rigid support plate, and a plurality of notched bars of high magnetic permeability mounted in rows on the side of said cores that is away from said support plate and between said pair of bar magnets in alignment with said cores and containing teeth arranged in a pattern corresponding to the selected cores, the ends of said teeth abutting the selected cores in compressive contact therewith.

Claim 7

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matrix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, rigid support means adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, a second layer of resilient material having openings therein in a matrix pattern corresponding to the matrix of said resilient support layer, said second layer being mounted adjacent said support layer to sandwich the support layer between the rigid support means and the second layer with said openings and recesses aligned so that the cores protrude into the openings of said second layer, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, said magnet means including at least one magnetic member mounted on the side of said cores that is away from said support plate and in compressive contact with said selected cores.

Claim 8

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matrix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, rigid support means adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, a second layer of resilient material having openings therein in a matrix pattern corresponding to the matrix of said resilient support layer, said second layer being mounted adjacent said support layer to sandwich the support layer between the rigid support means and the second layer with said openings and recesses aligned so that the cores protrude into the openings of said second layer, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, said magnet means including at least one magnetic member mounted on the side of said cores that is away from said support plate and in compressive contact with said selected cores.

Claim 9

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matRix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, rigid support means adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, said magnet means including at least one magnetic member mounted on the side of said cores that is away from said support plate and in compressive contact with said selected cores, and said support means comprises a rigid support plate parallel with said layer and composed of a magnetically permeable material and said permanent magnet means comprises, first and second soft iron bars mounted in parallel adjacent opposite edges of said rigid support plate, first and second permanent bar magnets mounted on said first and second iron bars, respectively, with their axes parallel and being magnetized transversely to said support plate, third and fourth soft iron bars mounted on said first and second bar magnets, respectively, and having notches therein aligned with individual rows of said cores, and a plurality of notched bars composed of a magnetically permeable material and mounted between said third and fourth bars and supported in the notches of said third and fourth bars, said plurality of bars being in alignment with said cores and containing teeth arranged in a pattern corresponding to the selected cores, the ends of said teeth being in close proximity to the selected cores.

Claim 10

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matRix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, rigid support means adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, said magnet means including at least one magnetic member mounted on the side of said cores that is away from said support plate and in compressive contact with said selected cores, and said support means comprises a rigid support plate parallel with said layer and composed of a magnetically permeable material and said permanent magnet means comprises, first and second soft iron bars mounted in parallel adjacent opposite edges of said rigid support plate, first and second permanent bar magnets mounted on said first and second iron bars, respectively, with their axes parallel and being magnetized transversely to said support plate, third and fourth soft iron bars mounted on said first and second bar magnets, respectively, and having notches therein aligned with individual rows of said cores, and a plurality of notched bars composed of a magnetically permeable material and mounted between said third and fourth bars and supported in the notches of said third and fourth bars, said plurality of bars being in alignment with said cores and containing teeth arranged in a pattern corresponding to the selected cores, the ends of said teeth being in close proximity to the selected cores.

Claim 11

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matrix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, said resilient support layer comprising a layer of flexible plastic material impregnated with fine particles of a magnetically permeable material, rigid support means adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, said magnet means including at least one magnetic member mounted on the side of said cores that is away from said support plate and in compressive contact with said selected cores.

Claim 12

A magnetic storage device comprising a support layer of resilient material having a plurality of recesses therein in a matrix, said resilient material being deformable under applied pressure so as to conform to the shape of the pressure applying element, said resilient support layer comprising a layer of flexible plastic material impregnated with fine particles of a magnetically permeable material, rigid support means adjacent said layer on the side thereof away from the recesses, a plurality of magnetic cores mounted in said recesses to form a plane matrix, conductor means linking said cores, and means for recording information in said device by disabling selected ones of said plurality of cores, said disabling means including permanent magnet means arranged to apply a magnetic field to said selected cores at a level to substantially saturate said cores, said magnet means including at least one magnetic member mounted on the side of said cores that is away from said support plate and in compressive contact with said selected cores.

Claim 13

A magnetic core storage apparatus as claimed in claim 6 wherein said resilient support layer is composed of silicone rubber.