Work machine control system

A work machine control system comprising a controller unit for outputting a control signal via a signal line, and a transmitter for inputting the control signal via the signal line, converting the input control signal to a radio signal, and radio-transmitting it out to a prescribed distance toward a work machine, so that the work machine is operated according to the radio signal;

• wherein:
• a long-range transmitter is provided for receiving the control signal over the signal line, converting the received control signal to a radio signal, and radio-transmitting the radio signal out to a farther distance than the prescribed distance;
• a long-range receiver is provided for receiving the radio signal radio-transmitted from the long-range transmitter, converting the received radio signal to the control signal, and outputting the control signal over a signal line;
• the controller unit and the long-range transmitter are connected by a signal line;
• and
• the long-range receiver and the transmitter are connected by a signal line.

A work machine control system comprising a plurality of controller units for outputting a control signal via a signal line, and a plurality of transmitters for inputting the control signal via the signal line, converting the input control signal to a radio signal, and radio-transmitting the radio signal out to a prescribed distance toward a work machine, so that a plurality of work machines are operated according to the radio signal;

• wherein:
• a long-range transmitter is provided for receiving a plurality of control signals, respectively, over a plurality of signal lines, converting the plurality of input control signals, respectively, to a plurality of radio signals, and radio-transmitting the radio signals out to a farther distance than the prescribed distance;
• a long-range receiver is provided for receiving the plurality of radio signals radio-transmitted from the long-range transmitter, converting the plurality of received radio signals to the plurality of control signals, and outputting the plurality of control signals over a plurality of signal lines;
• the plurality of controller units and the long-range transmitter are connected by a plurality of signal lines;
• and
• the long-range receiver and the plurality of transmitters are connected by a plurality of signal lines.

A work machine control system comprising:

• a controller unit for outputting a control signal representing a control content via a signal line;
• a control signal transmitter for inputting the control signal over the signal line, converting thee input control signal to a radio control signal and radio-transmitting the radio control signal out to a prescribed distance toward a work machine;
• a pickup signal receiver for receiving a radio pickup signal representing a work being done by the work machine radio-transmitted from the work machine, and converting the received radio pickup signal to a pickup signal and outputting the pickup signal over a signal line;
• and
• a display device for inputting the pickup signal via a signal line, and displaying an image of the work being done corresponding to the input pickup signal;
• so that the work machine is controlled on the basis of a content of display on the display device, and the work machine is operated according to the radio control signal;
• wherein:
• a first long-range transceiver is provided for inputting the control signal via a signal line, converting the input control signal to a radio control signal and radio-transmitting the radio control signal out to a distance that is farther than the prescribed distance, receiving a radio-transmitted radio pickup signal, and converting the received radio pickup signal to a pickup signal and outputting the pickup signal over a signal line;
• a second long-range transceiver is provided for inputting the pickup signal over a signal line, converting the input pickup signal to the radio pickup signal and radio-transmitting the radio pickup signal out to a distance that is farther than the prescribed distance, receiving the radio-transmitted radio control signal, and converting the received radio control signal to the control signal and outputting the control signal over a signal line;
• the controller unit, the display device, and the first transceiver are connected by signal lines;
• and
• the second transceiver, the control signal transmitter, and the pickup signal receiver are connected by signal lines.

A work machine control system comprising:

• a controller unit for outputting a control signal via a signal line;
• a control signal transmitter for inputting the control signal via a signal line, and converting the input control signal to a radio control signal and radio-transmitting the radio control signal out to a prescribed distance toward a work machine;
• image pickup means for capturing an image of a state of work of the work machine and outputting a pickup signal over a signal line;
• and
• a display device for inputting the pickup signal via a signal line, and displaying the image of the state of work corresponding to the input pickup signal;
• so that the work machine is controlled on the basis of a content of display on the display device;
• wherein:
• the work machine is operated according to the radio control signal;
• a first long-range transceiver is provided for inputting the control signal via a signal line, converting the input control signal to a radio control signal and radio-transmitting the radio control signal out to a distance that is farther than the prescribed distance, receiving a radio-transmitted radio pickup signal, and converting the received radio pickup signal to a pickup signal and outputting the pickup signal over a signal line;
• a second long-range transceiver is provided for inputting the pickup signal over a signal line, converting the input pickup signal to the radio pickup signal and radio-transmitting thee radio pickup signal out to a distance that is farther than the prescribed distance, while receiving the radio-transmitted radio control signal, and converting the received radio control signal to the control signal and outputting the control signal over a signal line;
• and
• the controller unit, the display device, and the first transceiver are connected by signal lines;
• and
• the second transceiver, the control signal transmitter, and the image pickup means are connected by signal lines.