| 摘要 |
<p>PURPOSE:To obtain a small-sized type recorder by providing a jack to which a headphone plug or a microphone plug can be connected, and switching a power output and a microphone input by a switch in accordance with a state that the plug is connected to the jack. CONSTITUTION:At the time of reproduction, a signal which has been outputted from a sound recording/reproducing head 6 is amplified by a sound recording/ reproducing amplifier 5, and a power amplifier 4, and connected to a headphone from a headphone jack 1 through a changeover switch 2. At the time of sound recording, a sound recording signal which is inputted from a microphone unit 24 passes through the switch 2 from the microphone jack 1 and amplified by a microphone amplifier 3 and the sound recording/reproducing amplifier 5, and sound-recorded to a tape through the sound recording/reproducing head 6. As for a changeover switch 23, when a headphone plug has been inserted, a movable part of the switch is in a protruded state, and when the microphone unit 24 is inserted, said part is in a pushed-in state. Accordingly, reproduction and sound recording of a jack 25 can be switched automatically by inserting the unit 24, into the jack 25, and a tape recorder can be made small in size.</p> |
