发明授权
- 专利标题: Multiple channel magnetic recording and reproducing apparatus
- 专利标题(中): 多通道磁记录和重放装置
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申请号: US51530申请日: 1993-04-22
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公开(公告)号: US5432655A公开(公告)日: 1995-07-11
- 发明人: Akihiko Nakamura , Haruo Isaka , Makoto Gotou
- 申请人: Akihiko Nakamura , Haruo Isaka , Makoto Gotou
- 申请人地址: JPX Osaka
- 专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址: JPX Osaka
- 主分类号: G11B15/12
- IPC分类号: G11B15/12 ; G11B15/18 ; G11B15/467 ; G11B27/032 ; G11B27/036 ; G11B15/14
摘要:
A multiple channel magnetic recording and reproducing apparatus records data on oblique tracks on a tape by a leading head and trailing head mounted on a rotating drum. First and second pilot areas for tracking are turned at opposite ends of each track. A tracking error detector is provided for receiving, when the leading head is scanning the first pilot area, a first reproduced signal from the first head, and for detecting two pilot signals from the tracks on both Sides of a scanning track, and for generating a first tracking error signal indicative of a difference between the detected two pilot signals. Similarly, the tracking error detector receives, when the trailing head is scanning the second pilot area, a second reproduced signal from the second head, and for detecting two pilot signals from tracks on both sides of a scanning track, and for generating a second tracking error signal indicative of a difference between the detected two pilot signals.
公开/授权文献
- US6063954A Non-ionic emulsifiers 公开/授权日:2000-05-16
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