| 摘要 |
A rotary magnetic head drum assembly which is formed smaller, thinner and yet is adapted to operate accurately and wherein, without employing a rotatable spindle for a rotary head drum, the drum is directly and rotatably supported on a stationary drum provided under the head drum, through bearings provided at its peripheral groove. A rotary transformer is disposed between the outer side face of the rotary head drum and the inner side face of the stationary drum to transmit video signals from the rotary magnetic heads to the outer circuitry or vice versa.
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