发明名称 Magnetic disc cassette having disc flattening means
摘要 A cassette for accommodating a magnetic recording medium which includes a pressing member adjacent a head window pressing the recording/reproducing surface of a magnetic recording medium thereby flattening its surface. Spacing loss between the magnetic disc and the magnetic head and track deviation error are prevented thereby permitting precise recording and reproducing operations.
申请公布号 US4577251(A) 申请公布日期 1986.03.18
申请号 US19830473320 申请日期 1983.03.08
申请人 CANON DENSHI KABUSHIKI KAISHA 发明人 OKADA, SHINICHI
分类号 G11B17/32;G11B23/033;(IPC1-7):G11B25/04;G11B23/02 主分类号 G11B17/32
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