Remote controlled miniature-vehicle

Claim 1

A system for the transmission of remote control information and power to remote-controllable objects moving on a surface, comprising a surface which is equipped with a plurality of groups of conducting material elements, two of said groups being fed by direct current supply voltage and a third group by a remote control signal formed by a remote control unit, which as for its d-c level remains between the levels of the supply voltage, the objects moving on the surface being equipped with contacts for transmitting the supply voltage and the remote control signal to the objects, the objects being equipped with an input circuit, which consists of rectifier elements for steering incoming supply voltages to corresponding supply voltage points of the circuits of the object and blocking access of remote control signals to these points, and circuits for steering the remote control signals to a signal input point of receiving electronic circuits.

Claim 2

A system for the transmission of remote control information and power to remote-controllable objects moving on a surface, comprising a surface which is equipped with a plurality of groups of conducting material elements, two of said groups being fed by direct current supply voltage and a third group by a remote control signal formed by a remote control unit, which as for its d-c level remains between the levels of the supply voltage, the objects moving on the surface being equipped with contacts for transmitting the supply voltage and the remote control signal to the objects, the objects being equipped with an input circuit, which consists of rectifier elements for steering incoming supply voltages to corresponding supply voltage points of the circuits of the object and blocking access of remote control signals to these points, and circuits for steering the remote control signals to a signal input point of receiving electronic circuits.

Claim 5

A system for the transmission of remote control information and power to remote-controllable objects moving on a surface, comprising a surface which is equipped with m groups of elements of conductive material, of which two groups are fed by direct current supply voltage and m-2 groups by remote control signals formed by a remote control unit, signals of each group being always as for their d-c level within certain nonoverlapping limits, levels of all groups being between the levels of the supply voltages, the objects moving on the surface being equipped with contacts for transmission of the supply voltage and the remote control signals to the objects, the object being equipped with input circuit which consist of rectifier elements for steering incoming supply voltages to corresponding supply voltage points of the circuits of the object and blocking access of the remote control signals to these points, and gate circuits between said contacts and a signal input point of receiving circuits, said gates permitting only signals which as for d-c level are within certain limits corresponding to a certain signal group of elements of the surface to have access to the signal input point.

Claim 6

A system for the transmission of remote control information and power to remote-controllable objects moving on a surface, comprising a surface which is equipped with m groups of elements of conductive material, of which two groups are fed by direct current supply voltage and m-2 groups by remote control signals formed by a remote control unit, signals of each group being always as for their d-c level within certain nonoverlapping limits, levels of all groups being between the levels of the supply voltages, the objects moving on the surface being equipped with contacts for transmission of the supply voltage and the remote control signals to the objects, the object being equipped with input circuit which consist of rectifier elements for steering incoming supply voltages to corresponding supply voltage points of the circuits of the object and blocking access of the remote control signals to these points, and gate circuits between said contacts and a signal input point of receiving circuits, said gates permitting only signals which as for d-c level are within certain limits corresponding to a certain signal group of elements of the surface to have access to the signal input point.