| 摘要 |
PURPOSE:To execute the remote control of plural pieces of equipment with one remote control transmitting device by installing a means to set the data of prescribed bits of an identifying code in accordance with the operation of plural equipment selecting switches. CONSTITUTION:A key input decoder 20 is composed of an ANDROM 20a and an ORROM 20b, and the signal of 21 lines in total corresponding to respective key switches is outputted. An FF 28 is installed which is set at a signal KP 1 corresponding to a power switch 6 for a television and reset at a signal KP 2 corresponding to a power switch 6 for television and the Q output is inputted to a data register 21 as the tenth bit C9 of the identifying code. An LED 29 for television and an LED 30 for stereo to indicate the selected equipment at the surface panel, and driving transistors 31 and 32 connected to respective LEDs are controlled by the Q output and the Q' output of respective FF 29. |
