发明授权
US4636877A Apparatus for reproducing multiple track digital signals and including
timing control of read/write operations
失效
用于再现多轨迹数字信号并包括读/写操作的定时控制的装置
- 专利标题: Apparatus for reproducing multiple track digital signals and including timing control of read/write operations
- 专利标题(中): 用于再现多轨迹数字信号并包括读/写操作的定时控制的装置
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申请号: US674926申请日: 1984-11-07
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公开(公告)号: US4636877A公开(公告)日: 1987-01-13
- 发明人: Kihei Ido
- 申请人: Kihei Ido
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人: Mitsubishi Denki Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX85409/84 19830516
- 主分类号: G11B20/20
- IPC分类号: G11B20/20 ; G11B20/00 ; G11B20/10 ; G11B20/18 ; G11B5/02 ; G11B5/09
摘要:
An apparatus for reproducing digital signals on a multi-track recording medium, wherein a signal to be written in a memory is selected from among signals of each track demodulator a demodulation means (50) by a writing track selection circuit (200), the signal of the writing track selected by the track selection circuit (200) is stored in a memory (102), the timing of writing the signal of the selected track is determined by a write timing setup circuit (300), and the timing of reading is determined by a read setup circuit (400) so that the signal stored in the memory (102) is read out during two write timing periods set by the write timing setup circuit (300), and the memory (102) is directed for writing or reading selectively by a read/write selector (100) in accordance with the output signals from the write timing setup circuit (300) and read setup circuit (400), so that writing or reading takes place at an interval of 1/2ANfc.
公开/授权文献
- US5162795A Coding and decoding apparatus of variable length data 公开/授权日:1992-11-10
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