| 摘要 |
An audio signal supplying device for supplying signals to an operating panel (3/4/5) for passenger provided in each of plural seats of a moving object, such as an aircraft or a train, in which the necessity of providing a dedicated adapter or headphone or a device of a complex structure may be eliminated to save costs. The audio signal supplying device (1, 2) has plural operating units (3/4/5) for passengers. For example, an operating unit (31) for the passenger has a demultiplexor (12) as a channel selection means for selecting a desired channel and a controller (61) for inhibiting part of channel selection executed by the demultiplexor (12) and for canceling such partial inhibition of channel selection by the demultiplexor (12) responsive to a remote control signal received by a remote controlled light receiving unit (91). <IMAGE> |
