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Patent Agency Ranking
公开(公告)号：JPH0576115B2
公开(公告)日：1993-10-21
申请号：JP33347890
申请日：1990-11-29
Applicant: IBM
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公开(公告)号：JPS60261083A
公开(公告)日：1985-12-24
申请号：JP7455385
申请日：1985-04-10
Applicant: IBM
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公开(公告)号：JPH03232165A
公开(公告)日：1991-10-16
申请号：JP33347890
申请日：1990-11-29
Applicant: IBM
Inventor： JIYON SUTEYUWAATO BESUTO , SUTEIIBUN ROBAATO HETSUTSURAA , UIRIAMU JIYON KABERATSUKU , DEEBITSUDO AREN TONPUSON
Abstract: PURPOSE: To increase the number of servo sample with the minimum increase of an overhead zone by interrupting data writing and reading when a micro servo section passes through the related head and reopening data writing when each micro servo section passes over the related head. CONSTITUTION: Data is written into the both part of a data field 27 and either side of each micro servo sector with a sole passage of a disk using a phase continuous clock 32. however a writing current 33, data stream 34 and clock input for the head are temporarily interrupted during each micro servo sector 30 passes through the head. And when the micro servo section passes through the head, data writing and reading are reopened so as to need the minimum recynchronization of data during the period of reading. By this way, the number of servo sample is increased on a recording medium with the minimum increase of the overhead zone.
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公开(公告)号：JPS6118851A
公开(公告)日：1986-01-27
申请号：JP10169485
申请日：1985-05-15
Applicant: Ibm
Inventor： ROBAATO ARAN SUKURANTON , DEEBITSUDO AREN TONPUSON
IPC: G01R27/26 , G01D5/24 , G01H11/02 , G01H11/06 , G01N27/22 , G11B5/31 , G11B5/48 , G11B5/58 , G11B5/596 , G11B5/60 , G11B9/07 , G11B21/21
CPC classification number: G01H11/06 , G01D5/24 , G11B5/3103 , G11B5/4826 , G11B5/58 , G11B5/596 , G11B9/07
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