| 摘要 |
<p>PURPOSE:To save the number of communication lines tying an operation section and a main body by selecting either an operation signal from a key input controller or an operation signal from a remote controller receiver and sending the selected signal to a system controller. CONSTITUTION:A gate means 16 selectively outputs either an operation signal from a key input controller 6 or an operation signal from a remote controller receiver 8. Any operation signal selected by the gate means 16 is sent to the system controller 2 by a common transmission line 12. In this case, the one common transmission line 12 is enough when only the operation signal is sent and it is not required to use the system bus. Thus, number of signal lines is saved.</p> |
