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公开(公告)号：FR2435098A1
公开(公告)日：1980-03-28
申请号：FR7825569
申请日：1978-08-29
Applicant: IBM
Inventor： RIGBEY LEONARD J , PASCUAL RAPHAEL , COX ALLEN R
Abstract: In a recorder having a transducer with a gap which coacts with a flexible medium to record and/or reproduce data, an endless groove is positioned on the transducer to circumscribe the gap.
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