| 摘要 |
<p>PURPOSE:To hear a sound with a presence at a place away from a recorder by providing an infrared ray emitting element for a voice at a recording and reproducing device main body and providing an infrared ray receiving element for a voice and a headphone connecting terminal at a remote control equipment. CONSTITUTION:A sound signal recorded at a magnetic tape 11 is picked up by a magnetic head 13 for a voice and outputted to an external part from an infrared ray emitting elements 5 for a voice as an infrared ray signal over the carrier of several MHz. The infrared ray signal is light-received, converted to an electric signal by an infrared ray receiving element 21 for a voice, decoded to the sound signal by a PCM decoder 23, the sound signal is decoded by a PCM decoder 23, the sound signal is amplified by a headphone amplifier 25, simultaneously, adjusted to the suitable volume, balance and tone quality with a resistance 24 for adjustment and the voice is outputted from a wireless headphone 27.</p> |
