Code translation device

Claim 1

A device for translating an information character into a binary signal comprising: an unsaturable ferrite core having a closed magnetic circuit; an exciting coil wound on a portion of said core; a drive circuit providing alternating current having a predetermined frequency for energizing said coil; a plurality of signal sensing coils disposed on other core portions from said one core portion in such manner that at least one sensing coil passes through said core and at least another sensing coil passes thereover for indicating said binary signal; said one sensing coil being magnetically coupled to said exciting coil to effect a transformer action therebetween; a plurality of signal sensing elements connected to said sensing coils to form a plurality of closed circuits, each including one of said one and another sensing coils and one of said sensing elements; key means actuable to select said character for translation into said binary signal; and variable magnetic impedance means connected between said driving circuit and said exciting coil for controlling the amount of current flow in a path including said exciting coil, said impedance means and said driving circuit; said key means joined to said impedance means and actuable for varying the degree of magnetization in said impedance means to vary the impedance value thereof to control correspondingly the amount of current flow in said exciting coil in said path and thereby the degree of magnetic coupling between said exciting and sensing coils to form a binary signal representing said selected character in said sensing elements.

Claim 2

A device for translating an information character into a binary signal comprising: an unsaturable ferrite core having a closed magnetic circuit; an exciting coil wound on a portion of said core; a drive circuit providing alternating current having a predetermined frequency for energizing said coil; a plurality of signal sensing coils disposed on other core portions from said one core portion in such manner that at least one sensing coil passes through said core and at least another sensing coil passes thereover for indicating said binary signal; said one sensing coil being magnetically coupled to said exciting coil to effect a transformer action therebetween; a plurality of signal sensing elements connected to said sensing coils to form a plurality of closed circuits, each including one of said one and another sensing coils and one of said sensing elements; key means actuable to select said character for translation into said binary signal; and variable magnetic impedance means connected between said driving circuit and said exciting coil for controlling the amount of current flow in a path including said exciting coil, said impedance means and said driving circuit; said key means joined to said impedance means and actuable for varying the degree of magnetization in said impedance means to vary the impedance value thereof to control correspondingly the amount of current flow in said exciting coil in said path and thereby the degree of magnetic coupling between said exciting and sensing coils to form a binary signal representing said selected character in said sensing elements.

Claim 5

A device for translating an information character into a binary signal, comprising: an unsaturable ferrite core having a closed magnetic circuit; an exciting coil wound on one portion of said core; a driving circuit for providing alternating current to energize said coil; a plurality of signal sensing coils disposed on other portions of said core in spaced relation relative to said one core portion in such manner that at least a first two sensing coils pass through said core while at least a second two sensing coils pass over said core for indicating said binary signal; said first two sensing coils being magnetically coupled to said exciting coil to effect a transformer action therebetween; a plurality of signal sensing elements connected to said sensing coils to form a plurality of closed circuits, each including one of said first and second sensing coils and one of said sensing elements; key means actuable to select said character for translation into said binary signal; and variable magnetic impedance means comprising a second magnetic core and a further coil disposed externally of said second core to permit movement of said second core relative to said further coil which is connected in a current path also including said exciting coil and said driving circuit; said key means joined tO said second core and actuable for disposing said second core inside and outside said further coil to vary the degree of magnetization of said impedance means to vary the effective impedance thereof to vary correspondingly the amount of current flow in said exciting coil in said path and thereby the degree of magnetic coupling between said exciting coil and said first two sensing coils to form a binary signal representing said selected character in said sensing elements.

Claim 6

A device for translating an information character into a binary signal, comprising: an unsaturable ferrite core having a closed magnetic circuit; an exciting coil wound on one portion of said core; a driving circuit for providing alternating current to energize said coil; a plurality of signal sensing coils disposed on other portions of said core in spaced relation relative to said one core portion in such manner that at least a first two sensing coils pass through said core while at least a second two sensing coils pass over said core for indicating said binary signal; said first two sensing coils being magnetically coupled to said exciting coil to effect a transformer action therebetween; a plurality of signal sensing elements connected to said sensing coils to form a plurality of closed circuits, each including one of said first and second sensing coils and one of said sensing elements; key means actuable to select said character for translation into said binary signal; and variable magnetic impedance means comprising a second magnetic core and a further coil disposed externally of said second core to permit movement of said second core relative to said further coil which is connected in a current path also including said exciting coil and said driving circuit; said key means joined tO said second core and actuable for disposing said second core inside and outside said further coil to vary the degree of magnetization of said impedance means to vary the effective impedance thereof to vary correspondingly the amount of current flow in said exciting coil in said path and thereby the degree of magnetic coupling between said exciting coil and said first two sensing coils to form a binary signal representing said selected character in said sensing elements.

Claim 7

A device for translating an information character into a binary signal, comprising: an unsaturated ferrite core having a closed magnetic circuit; an exciting coil wound on one portion of said core; a driving circuit for providing alternating current to energize said coil; A plurality of signal sensing coils disposed on other portions of said core in spaced relation relative to said one core portions in such manner that at least a first two sensing coils pass through said core while at least a second two sensing coils pass over said core for indicating said binary signal; said first two sensing coils being magnetically coupled to said exciting coil to effect transformer action therebetween; a plurality of signal sensing elements connected to said sensing coils to form a plurality of closed circuits, each including one of said first and second sensing coils and one of said sensing elements; key means actuable to select said character for translation into said binary signal; and variable magnetic impedance means comprising a second magnetic core having a closed magnetic circuit, a further coil wound on said second core and connected in a current path also including said exciting coil and said driving circuit, and a permanent magnet; said key means joined to said magnet and actuable for moving said magnet to disengage and engage said second core for varying the degree of magnetization in said impedance means to vary the effective impedance thereof to vary correspondingly the amount of current flow in said exciting coil in said path and thereby the degree of magnetic coupling between said exciting coil and said first two sensing coils to form a binary signal representing said selected character in said sensing elements.

Claim 8

A device for translating an information character into a binary signal, comprising: an unsaturated ferrite core having a closed magnetic circuit; an exciting coil wound on one portion of said core; a driving circuit for providing alternating current to energize said coil; A plurality of signal sensing coils disposed on other portions of said core in spaced relation relative to said one core portions in such manner that at least a first two sensing coils pass through said core while at least a second two sensing coils pass over said core for indicating said binary signal; said first two sensing coils being magnetically coupled to said exciting coil to effect transformer action therebetween; a plurality of signal sensing elements connected to said sensing coils to form a plurality of closed circuits, each including one of said first and second sensing coils and one of said sensing elements; key means actuable to select said character for translation into said binary signal; and variable magnetic impedance means comprising a second magnetic core having a closed magnetic circuit, a further coil wound on said second core and connected in a current path also including said exciting coil and said driving circuit, and a permanent magnet; said key means joined to said magnet and actuable for moving said magnet to disengage and engage said second core for varying the degree of magnetization in said impedance means to vary the effective impedance thereof to vary correspondingly the amount of current flow in said exciting coil in said path and thereby the degree of magnetic coupling between said exciting coil and said first two sensing coils to form a binary signal representing said selected character in said sensing elements.

Claim 9

A device for translating a plurality of different information characters into preselected different binary signals, comprising: a plurality of unsaturable ferrite cores, each having a closed magnetic circuit; a plurality of exciting coils, each wound on one portion of one of said cores; a driving circuit for providing alternating current to energize said coils; a plurality of sensing coils disposed on other portions of said respective cores in spaced relation relative to said exciting coils thereon in such manner that a first two sensing coils pass through a first of said cores while a second two sensing coils pass over said first core and also that said first two sensing coils pass over a second of said cores while said second two sensing coils pass through said second core; said first two sensing coils being coupled to said exciting coils on said respective first and second cores to effect transformer action between said last-mentioned sensing coils and corresponding exciting coils; a plurality of signal sensing elements connected to said plurality of sensing coils to form a plurality of closed circuits, each including one of said first and second sensing coils and one of said sensing elements; a plurality of key means actuable in turn for selecting said characters one at a time for translation into corresponding binary signals; and a plurality of variable magnetic impedance means connected between said driving circuit and said exciting coils for controlling the amounts of current flow in a first current path including said driving circuit, a first of said impedance means and a first of said exciting coils and in a second current path including said driving circuit, a second of said impedance means and a second Of said exciting coils, respectively; each of said key means joined to one of said impedance means; said key means actuable in turn for varying the degree of magnetization in said respective impedance means and thereby the effective impedance thereof to vary correspondingly the amounts of current flow in said exciting coils in respective corresponding current paths and thereby the degree of magnetic coupling between said exciting coils in said corresponding paths and said sensing coils coupled to said last-mentioned exciting coils to form binary signals representing said characters one at a time as selected by said key means in turn in said sensing elements.

Claim 10

A device for translating a plurality of different information characters into preselected different binary signals, comprising: a plurality of unsaturable ferrite cores, each having a closed magnetic circuit; a plurality of exciting coils, each wound on one portion of one of said cores; a driving circuit for providing alternating current to energize said coils; a plurality of sensing coils disposed on other portions of said respective cores in spaced relation relative to said exciting coils thereon in such manner that a first two sensing coils pass through a first of said cores while a second two sensing coils pass over said first core and also that said first two sensing coils pass over a second of said cores while said second two sensing coils pass through said second core; said first two sensing coils being coupled to said exciting coils on said respective first and second cores to effect transformer action between said last-mentioned sensing coils and corresponding exciting coils; a plurality of signal sensing elements connected to said plurality of sensing coils to form a plurality of closed circuits, each including one of said first and second sensing coils and one of said sensing elements; a plurality of key means actuable in turn for selecting said characters one at a time for translation into corresponding binary signals; and a plurality of variable magnetic impedance means connected between said driving circuit and said exciting coils for controlling the amounts of current flow in a first current path including said driving circuit, a first of said impedance means and a first of said exciting coils and in a second current path including said driving circuit, a second of said impedance means and a second Of said exciting coils, respectively; each of said key means joined to one of said impedance means; said key means actuable in turn for varying the degree of magnetization in said respective impedance means and thereby the effective impedance thereof to vary correspondingly the amounts of current flow in said exciting coils in respective corresponding current paths and thereby the degree of magnetic coupling between said exciting coils in said corresponding paths and said sensing coils coupled to said last-mentioned exciting coils to form binary signals representing said characters one at a time as selected by said key means in turn in said sensing elements.