发明名称 Method and apparatus for removal of dust from an information carrier during recording and playback
摘要 A method and apparatus for removing dust from an information carrier includes a rotating member having at least one channel extending therethrough, operative to act as a centrifugal pump, and also includes apparatus for recording or playback of information from the information carrier.
申请公布号 US4591938(A) 申请公布日期 1986.05.27
申请号 US19830459404 申请日期 1983.01.20
申请人 BELL & HOWELL COMPANY 发明人 JACOBS, JOHN H.
分类号 G11B23/50 主分类号 G11B23/50
代理机构 代理人
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