发明名称 Pickup device with a composite compliance arm
摘要 A pickup device for a video disk for extracting a signal from an information record medium having a high frequency signal recorded thereon in the form of an uneven groove, wherein a scanning body comprising a signal extracting element for producing an electrical signal from the information record medium in accordance with the information therein and a reproducing needle is supported by a plurality of arms each having a lower resonance frequency than the frequency band of the reproduced signals, whereby the reproducing needle is kept in close contact with the information record medium irrespective of the movement of the latter to allow high fidelity reproduction of a wide band high frequency signal.
申请公布号 US4063285(A) 申请公布日期 1977.12.13
申请号 US19750576370 申请日期 1975.05.12
申请人 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. 发明人 NAGAOKA, TADASHI
分类号 G11B3/46;H04R1/18;(IPC1-7):H04N5/76;G11B3/10 主分类号 G11B3/46
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