| 摘要 |
<p>PURPOSE:To easily connect with a short wiring even when the number of recording and reproduction channels are increased by installing a head base and a rotary side element of a rotary transformer on the upper and lower surfaces of the polygonal part. CONSTITUTION:A flange 105 and a rotary cylinder 102 are installed on a rotary shaft 104 provided coaxial with a fixed cylinder 101. A fixed side element 108 and a rotary side element 109 are installed on the lower surface of the polygonal part between the fixed cylinder 101 and the flange 105. On the upper surface of the polygonal part of the flange 105, a head base 107 incorporating a rotary magnetic head 106 and a printed circuit board 110 is arranged. Further, a flexible printed circuit board 111 incorporating a preamplifier connecting the rotary magnetic head 106 and a rotary element 109 of the rotary transformer along the outer surface of the polygonal part of the flange 105.</p> |
