Electro-mechanical cipher machine
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsBern Anderson, Donald W. Seiler
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AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsBern Anderson, Donald W. Seiler
Estimating the term…
2. A cipher machine, comprising a plurality of rotatably mounted coding wls each having ratchet teeth on its periphery and an annular series or uniformly spaced contacts on one face opposed to a like series on the opposite face, electrically conducting means randomly connecting each contact to a contact on the face of the wheel opposite thereto, a fixed spacer between each two of said wheels having through conductors to close the circuits between the contacts on the adjacent wheels, a plurality of type bar actuating solenoids, means operatively connecting each of said solenoids respectively to a circuit through said coding wheels and spacers, a plurality of keys, circuit means connecting each said key respectively to a circuit through said coding wheels and spacers, circuit closing means carried by each said key, a respective functional unit of operating mechanism associated with each code wheel to rotate such code wheel through the angular space of one ratchet tooth each time such unit operates, said functional units of operating mechanism being conditionable for operation or non-operation, and a common member actuatable by every key when depressed to cause operation of all said units of operating mechanism then conditioned for operation.
A cipher machine, comprising a plurality of rotatably mounted coding wheels each having ratchet teeth on its periphery and an annular series of uniformly spaced contacts on one face opposed to a like series on the opposite face, electrically conducting means randomly connecting each contact to a contact on the face of the wheel opposite thereto, a fixed spacer between each two of said wheels having through conductors to close the circuits between the contacts on the adjacent wheels, switch means having a set of contacts each providing three electrical paths corresponding to each pair of opposed contacts on a code wheel, a type bar actuating solenoid electrically connected to each of said sets of switch means contacts, a plurality of keys each carrying electric circuit closing means, a plurality of electric circuit means each connected to a set of said switch means contacts and cooperating with one of said circuit closing means, said switch means being settable to close a circuit from each key to a solenoid in either direction through said coding wheels and spacers or directly, and means controlled by any said key when depressed to rotate one or more of said code wheels through the angular space of one ratchet tooth, in a predeterminable variable manner.
A cipher machine, comprising a plurality of rotatably mounted coding wheels each having ratchet teeth on its periphery and an annular series of uniformly spaced contacts on one face opposed to a like series on the opposite face, electrically conducting means randomly connecting each contact to a contact on the face of the wheel opposite thereto, a fixed spacer between each two of said wheels having through conductors to close the circuits between the contacts on the adjacent wheels, a plurality of type bar actuating solenoids, means operatively connecting each of said solenoids respectively to a circuit through said coding wheels and spacers, a plurality of keys, circuit means connecting each said key respectively to a circuit through said coding wheels and spacers, circuit closing means carried by each said key, a respective functional unit of operating mechanism associated with each code wheel to rotate such code wheel through the angular space of one ratchet tooth each time such unit operates, said functional units of operating mechanism being conditionable for operation or non-operation, and a common member actuatable by every key when depressed to cause operation of all said units of operating mechanism then conditioned for operation.
A cipher machine, comprising means providing a plurality of changeably random electric paths, a plurality of type bar actuating solenoids, a plurality of keys, each carrying electric circuit closing means, circuit elements disposed to be placed in closed circuit condition by the said circuit closing means on a respective key;
A cipher machine, comprising a plurality of rotatably mounted coding wheels each having ratchet teeth on its periphery and an annular series of uniformly spaced contacts on one face opposed to a like series on the opposite face, electrically conducting means randomly connecting each contact to a contact on the face of the wheel opposite thereto, a fixed spacer between each two of said wheels having through conductors to close the circuits between the contacts on the adjacent wheels;
A cipher machine, comprising a plurality of rotatably mounted coding wheels each having ratchet teeth on its periphery and an annular series of uniformly spaced contacts on one face opposed to a like series on the opposite face, electrically conducting means randomly connecting each contact to a contact on the face of the wheel opposite thereto, a fixed spacer between each two of said wheels having through conductors to close the circuits between the contacts on the adjacent wheels;
A cipher machine, comprising means providing a plurality of changeably random electric paths, a plurality of type bar actuating solenoids, a plurality of keys, each carrying electric circuit closing means, circuit elements disposed to be placed in closed circuit condition by the said circuit closing means on a respective key;
A cipher machine, comprising a plurality of rotatably mounted control wheels each having ratchet teeth on its periphery and an annular series of uniformly spaced pins that are individually laterally slidable to project on one or the other face of the wheel;
A cipher machine, comprising a plurality of cooperating fixed members and movable members to establish a fixed number of changeable random paths;
A cipher machine, comprising means providing a definite number of changeable random electric paths, means to change said paths in a reproducibly haphazard manner, a plurality of circuits each of which includes one of said paths and a working device, a plurality of keys each provided with means for closing a respective one of said circuits;
A cipher machine, comprising a plurality of cooperating fixed members and movable members to establish a fixed number of changeable random paths;
A cipher machine, comprising a plurality of functional units each of which includes a rotatable control wheel provided with an annular series of pins selectively slidable to project on a chosen face of the wheel, a control lever rockably mounted and provided with a roller disposed to be contacted by such of said pins as project from the said face of the wheel and projecting portion spaced from the rocking axis and on the opposite side of said axis from said roller, a setting lever rockably mounted adjacent said portion having a laterally extending arm and a notch adjacent the rocking axis, a pivoted latch disposed to have one end engageable in said notch and to be contacted by said projecting portion to disengage the latch, a Bowden wire having one end permanently mounted to bear upon the end of said control lever remote from said wheel and its other end selectively mountable to bear upon the said laterally extending arm of any setting lever whereby rocking of a control lever causes rocking of a setting lever to permit the coacting latch to engage the notch in the rocked lever, random electric path means, operating means to change said random paths in a reproducible haphazard manner and shift the control wheels, means coacting with said setting lever to hold the operating means inoperative when the respective latch is not engaged in the cooperating notch, and means to close individually circuits each of which includes one of said random paths and to actuate such of said operating means as are conditioned for operation.
A cipher machine, comprising a plurality of movable members each provided with random electric paths elements, means to connect each said element in each of said movable members to an element in an adjacent movable member, means to move said movable members to change the random circuits through all said members in a reproducible haphazard manner, means actuatable by instrumentalities of said last mentioned means to condition functional units of operating mechanism of said last mentioned means for operation or non-operation, working circuits corresponding in number to the random paths through said movable members and the means connecting the path elements in the same, each of said working circuits being respectively connected to one of said random paths, and means to close each of said circuits individually and simultaneously to actuate the means for moving said movable members, the movement of said movable members at any particular time being the same whichever said circuit is closed.
A cipher machine, comprising a plurality of movable members each provided with random electric paths elements, means to connect each said element in each of said movable members to an element in an adjacent movable member, means to move said movable members to change the random circuits through all said members in a reproducible haphazard manner, means actuatable by instrumentalities of said last mentioned means to condition functional units of said last mentioned means for operation or non-operation, working circuits corresponding in number to the random paths through said movable members and the means connecting the path elements in the same, means selectively to connect each of said working circuits respectively to one of said random paths to cause current to traverse such path in either direction or to shunt said working circuits around said random paths, and means to close each of said circuits individually and to actuate simultaneously the means for moving said movable members.
A cipher machine, comprising means providing a plurality of random electric paths changeable in a reproducible haphazard manner, a plurality of working circuits;
A cipher machine, comprising means providing a plurality of changeable random electric paths, means to change said paths in a reproducible sequence of irregularly intermittent intervals including a plurality of functional units of operating mechanism each having instrumentalities to condition the unit for non-operation and devices to transfer movement from any said unit to any said unit whereby the unit to which the movement is transferred is conditioned for operation, a plurality of circuits each including one of said paths, and means to close each of said circuits individually and simultaneously to actuate said path changing means, the change in said path at any particular time being the same whichever circuit is closed.
A cipher machine, comprising means providing a plurality of changeable random electric paths, means to change said paths in a reproducible sequence of irregularly intermittent intervals including a plurality of functional units of operating mechanism each having instrumentalities to condition the unit for non-operation and devices to transfer movement from any said unit to said unit whereby the unit to which the movement is transferred is conditioned for operation, a plurality of circuits each including one of said paths, means to close each of said circuits individually and simultaneously to actuate said path changing means, and means selectively adjustable to connect said random paths into said circuits to cause current to traverse said paths in either direction or to shunt said current around said random paths.
A device of the class described, comprising a plurality of juxtaposed movable members each provided with a plurality of random circuit elements, means to connect each said element in each said member to a said element in an adjacent said member to constitute as many circuits through all said members as there are circuit elements in any one member, a respective mechanical functional unit operative to move each said member by equal increments, each said unit being conditionable for operation or non-operation, means actuatable by operation of one of said units to condition another said unit for operation, a plurality of keys, means actuatable by every said key to effect operation of all units conditioned for operation, and working instrumentalities equal in number to said random circuits, each said instrumentality being connected to a said circuit through all said members.
Dependencies are inferred from the claim text.