发明名称 Tape cassette
摘要 A cassette for magnetic tape recordings, having a casing with bottom and cover walls, between which two winding hubs for the tape are captured. A corrugated plastic film is located between the tape winding and the bottom and cover wall respectively, the spring constant of the corrugated film ranging from about 100 to 400 grams/mm. A flat film is disposed between the tape winding and the corrugated film to ensure even distribution of forces exerted on the tape.
申请公布号 US4102515(A) 申请公布日期 1978.07.25
申请号 US19760719683 申请日期 1976.09.02
申请人 U.S. PHILIPS CORPORATION 发明人 MILANTS, LODEWIJK LUCIAAN
分类号 G11B23/087;(IPC1-7):G03B1/04;G11B15/32;G11B23/04 主分类号 G11B23/087
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