US Patent 7739603 Signal routing apparatus and signal routing program

A signal routing apparatus is designed for setting a signal route among a plurality of components of a signal processing system by means of graphic user interface. In the signal processing apparatus, a display part displays a plurality of components each having at least one terminal for connection. An operator part is operated to select at least one terminal of one component on the display part and to input an instruction for connection. A detection part responds to the instruction for detecting at least one terminal of another component, which can be connectable to the selected terminal. A connection part automatically connects the selected terminal of one component and the detected terminal of another component with one another so that a line is drawn on the display part between the selected terminal and the detected terminal, thereby setting the signal route among the components in the form of lines drawn between the terminals of the components on the display part.