| 摘要 |
PURPOSE:To control an equipment at an alarm time with an easy set operation by converting stored command data to a control signal to output it at the time of detecting arrival at the alarm time. CONSTITUTION:In an electronic circuit incorporated in the main body case of a wall clock, a control part (CPU) 6 controls each part based on the microprogram stored in a ROM 6, and the ROM 7, a transmission part 4, a RAM 8, a key input part 9, a frequency division timing circuit 11, a reception part 12 having a photodetector 3, a decoder driver 13, and a waveform shaping part 14 are connected to the CPU. The transmission part 4 incorporates a light emitting element 41 and converts key command data (control signal) for control of an external electronic equipment to an infrared signal of large transmission output to transmit this signal. Thus, the equipments as the control object is surely controlled at the alarm time. |
