| 摘要 |
PURPOSE:To provide stable and sure operation of the controller in which malfunction or unstable operation is completely prevented under any environment. CONSTITUTION:The controller is provided with a 1st light receiving section 11 receiving an infrared ray code signal being a control signal from a transmitter 2 at the outside of the controller, a 2nd light receiving section 11 receiving an infrared ray code signal being a control signal from a transmitter 4 at the inside of the controller, a detection section 15 detecting that the infrared ray code signal is received by the 2nd light receiving section 13, and a changeover section 16 switches between an input system of the infrared ray code signal from the transmitter 2 and an input system of the infrared ray code signal from the transmitter 4 based on an output of the detection section 15. |
