Radio-tape recorder for automotive use

Claim 1

An in-dash mountable audio apparatus having a housing with a front face, said housing containing the following electrical systems; (A) a radio reception system comprising an antenna, a radio tuner, and a radio signal preamplifier; (B) a tape player and recorder system comprising a magnetic head, a motor drive, and a preamplifier; (C) an audio output system comprising a variable resistor, a main amplifier, and at least one speaker; and, (D) a power supply system comprising a power source, a main switch and a three-way switch having three electrical contact positions wherein: the first of said contact positions electrically engages the power supply only to the radio reception system and the audio output system; the second of said contact positions electrically engages the power supply only to the tape player and recorder system and the audio output system; and the third of said contact positions electrically engages the power supply simultaneously to the radio reception system, the tape player and recorder system, and the audio output system; and first, second and third manually-actuated controls accessible at said front face, said controls being separately and alternately operable to adjust said three-way switch respectively to one of the first, second and third of said contact positions.