发明名称 Apparat ti ind- og/eller afspilning af information på en drejende pladeformet registreringsbærer.
摘要 A device for writing information in a disk-shaped record carrier, and/or for reproducing the recorded information, the transducer being radially movable relative to the record carrier, which transducer is disposed on a tubular member, which at its one end is provided with a drive coil and at its other end with a tachometer coil, which coils are movable in an air gap of a stationary magnet system.
申请公布号 DK137905(B) 申请公布日期 1978.05.29
申请号 DK19750000726 申请日期 1975.02.25
申请人 N.V. PHILIPS' GLOEILAMPENFABRIEKEN 发明人 PETER JOHANNES MICHIEL JANSSEN;GERARD EDUARD VAN ROSMALEN
分类号 G11B21/08;G11B7/085;G11B7/09;G11B7/12;H02K41/035;H02P25/02;(IPC1-7):G11B7/08;G11B21/02 主分类号 G11B21/08
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