发明授权
US4860125A Apparatus for recording information in a magnetic record carrier with
control to selectively record a whole or part of a track
失效
用于在磁记录载体中记录信息的装置,具有选择性地记录轨道的整个或部分的控制
- 专利标题: Apparatus for recording information in a magnetic record carrier with control to selectively record a whole or part of a track
- 专利标题(中): 用于在磁记录载体中记录信息的装置,具有选择性地记录轨道的整个或部分的控制
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申请号: US94222申请日: 1987-09-08
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公开(公告)号: US4860125A公开(公告)日: 1989-08-22
- 发明人: Jan van der Meer
- 申请人: Jan van der Meer
- 申请人地址: NY New York
- 专利权人: U.S. Philips Corporation
- 当前专利权人: U.S. Philips Corporation
- 当前专利权人地址: NY New York
- 优先权: NLX8602276 19860910
- 主分类号: G11B5/09
- IPC分类号: G11B5/09 ; G11B5/592 ; G11B15/467 ; G11B27/032 ; G11B27/036
摘要:
When a record carrier (14) is inscribed for an n.sup.th time (n>1), in which record carrier the information is recorded in first blocks (FB) in tracks (T.sub.1, T.sub.2, . . . ) which adjoin each other and which are inclined relative to the longitudinal direction of the record carrier, each track containing at least one first block (FB.sub.1) of information and at least one second block (SB.sub.1) of tracking signals (f), only the first blocks of new information are written over the first blocks recorded previously in the tracks and the second blocks of tracking signals are not erased from the record carrier. These second blocks are employed for the purpose of tracking when the record carrier is inscribed for the n.sup.th time. In this way it is achieved that the new information is recorded exactly in the original tracks, so that perfect inserts can be made.
公开/授权文献
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