| 摘要 |
PURPOSE:To reduce crossovers by transmitting respective operation signals of a remote controller after coding them into one. CONSTITUTION:An indoor unit 1 and the remote controller 2 are connected together through an earth line 8'. The controller 2 is equipped with an operation part 9 which has plural switching means operated by an operator, code generation part 10 which converts operation signal into one coded signal, and current control part 1 which varies the current value of the earth line 8'. The unit 1 is equipped with a code detection part 22 which generates an output corresponding to the code signal on the basis of the value of the varying current, decoding part 23 which decodes and decomposes the signal of the detection part 22 into the operation signals, and output holding part 24 which outputs and holds those signals. |
