Inventio Ag

Josef Heine

Fritz Meyer

Ladislav Vig

An apparatus for transmitting control signals to a transportation installation, such as typically an elevator wherein a respective diode matrix codes the cabin and floor calls, and the outputs of which are connected by common call lines with the inputs of a call memory system. A coding device is provided for coding the elevator cabin position and comprises switches attached to the elevator cabin and actuation elements arranged in the cabin chute. An actuation element is provided for each floor change and is associated with the changing binary place of the code word associated with the floor. The switches are connected by means of a respective series connected diode of a coupling system with the outputs of the cabin diode matrix and by means of the call lines with the input of a cabin position memory. A logic circuit serves to switch the diodes of the cabin and floor diode matrixes into their non-conductive or reverse state during travel of the cabin and for a given time span following standstill thereof and to switch the diodes of the coupling system into their forward or conductive state, and to disconnect the call lines from the call memories. This logic circuit, during the remaining time of standstill of the cabin, switches the diode matrixes into their conductive or forward direction and the coupling diodes into their blocking state or reverse direction as well as connecting the call lines with the call memories.

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Ebikon, Switzerland

Josef Heine