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公开(公告)号：EP0643540A2
公开(公告)日：1995-03-15
申请号：EP94114338.0
申请日：1994-09-13
发明人： Nakagaki, Hirofumi
IPC分类号： H04N9/83
CPC分类号： H03L7/10 , H04N9/8722
摘要： An automatic phase control apparatus for controlling the frequency of a sine wave produced from a variable frequency oscillator (6) to be equal to that of the carrier wave of the extracted chrominance signal. A phase difference detector 4 detects a phase difference between the sine wave and the carrier wave. The detected phase difference is integrated to obtain an integrated value which is applied to the frequency oscillator for determining the oscillation frequency. A deviation detector (9; 10) is provided for detecting a deviation of the integrated value with respect to an expected frequency control data calculated by a calculator (8). When the deviation is greater than a predetermined range, the integrated value is replaced with the calculated data.
摘要翻译： 一种自动相位控制装置，用于将从可变频率振荡器（6）产生的正弦波的频率控制为等于所提取的色度信号的载波的频率。 相位差检测器4检测正弦波和载波之间的相位差。 检测到的相位差被积分，以获得施加到用于确定振荡频率的频率振荡器的积分值。 提供偏差检测器（9; 10），用于检测积分值相对于由计算器（8）计算的预期频率控制数据的偏差。 当偏差大于预定范围时，用计算出的数据代替积分值。
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2.发明公开Reproducing method, reproducing apparatus and recording and reproducing apparatus using the same reproducing method, and recording medium having the same method recorded therein 失效Wiedergabevorrichtung und Aufnahme-和Wiedergabevorrichtung
公开(公告)号：EP0817481A2
公开(公告)日：1998-01-07
申请号：EP97304568.5
申请日：1997-06-26
IPC分类号： H04N5/945
CPC分类号： H04N5/945
摘要： The invention relates to a reproducing method of reproducing data from tracks recording signals interleaves over plural tracks, storing the reproduced data, processing the stored data by error correction, issuing an error correction disable signal in the case of data processing impossible to correct in this error correction process, and controlling so as not to issue data in the track having interleaving relation with the data delivering this error correction disable signal, and a reproducing apparatus and a recording and reproducing apparatus using this method, and onlv bv adding the function for controlling the data to be issued on the basis of the result of detection of error correction disable, stable reproduction free from reproduction of largely objectionable image due to error can be realized.
摘要翻译： 本发明涉及一种从磁道上再现数据的再现方法，记录多个磁道上的信号交织，存储再现数据，通过纠错处理存储的数据，在数据处理的情况下发出错误校正禁止信号，可以在该错误中校正 校正处理和控制，以便不发送具有与递送该纠错禁止信号的数据的交织关系的轨道中的数据，以及使用该方法的再现装置和记录和再现装置，并且添加用于控制 可以基于错误校正禁止的检测结果发出的数据，可以实现不存在由于错误导致的令人不快的图像的再现的稳定再现。
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公开(公告)号：EP0643540A3
公开(公告)日：1995-10-04
申请号：EP94114338.0
申请日：1994-09-13
发明人： Nakagaki, Hirofumi
IPC分类号： H04N9/83
CPC分类号： H03L7/10 , H04N9/8722
摘要： An automatic phase control apparatus for controlling the frequency of a sine wave produced from a variable frequency oscillator (6) to be equal to that of the carrier wave of the extracted chrominance signal. A phase difference detector 4 detects a phase difference between the sine wave and the carrier wave. The detected phase difference is integrated to obtain an integrated value which is applied to the frequency oscillator for determining the oscillation frequency. A deviation detector (9; 10) is provided for detecting a deviation of the integrated value with respect to an expected frequency control data calculated by a calculator (8). When the deviation is greater than a predetermined range, the integrated value is replaced with the calculated data.
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5.发明公开Reproducing method, reproducing apparatus and recording and reproducing apparatus using the same reproducing method, and recording medium having the same method recorded therein 失效其中相同的进程已被加入再现方法中，相同的再现方法使用的再生装置，以及记录和再现设备，和记录介质
公开(公告)号：EP0817481A3
公开(公告)日：1999-05-19
申请号：EP97304568.5
申请日：1997-06-26
IPC分类号： H04N5/945
CPC分类号： H04N5/945
摘要： The invention relates to a reproducing method of reproducing data from tracks recording signals interleaves over plural tracks, storing the reproduced data, processing the stored data by error correction, issuing an error correction disable signal in the case of data processing impossible to correct in this error correction process, and controlling so as not to issue data in the track having interleaving relation with the data delivering this error correction disable signal, and a reproducing apparatus and a recording and reproducing apparatus using this method, and onlv bv adding the function for controlling the data to be issued on the basis of the result of detection of error correction disable, stable reproduction free from reproduction of largely objectionable image due to error can be realized.
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公开(公告)号：EP0859362A3
公开(公告)日：1999-04-21
申请号：EP98301101.6
申请日：1998-02-16
IPC分类号： G11B20/10
CPC分类号： H04L7/0054 , G11B20/10009
摘要： A reproduced signal from a recording medium 1 is equalized at partial response (1, 0, -1) by a reproducing equalizer 3, and is converted into a reproduced and equalized signal. A clock reproducing circuit 4 issues a reproduced clock synchronized with the timing of data identification, and applies it to a phase adjusting circuit 5. A phase control signal generating circuit 6A detects a specific pattern from a reproduced digital signal issued from an A/D converter 7, and the advance or delay amount of phase of the reproduced clock is detected by the amplitude or distribution of the sampling value. This phase deviation amount is given to the phase adjusting circuit 5 as a phase control signal. The phase adjusting circuit 5 given a delayed clock to the A/D converter 7, and controls to A/D convert the reproduced signal at correct timing.
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公开(公告)号：EP0643540B1
公开(公告)日：1998-12-30
申请号：EP94114338.0
申请日：1994-09-13
发明人： Nakagaki, Hirofumi
IPC分类号： H04N9/83
CPC分类号： H03L7/10 , H04N9/8722
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公开(公告)号：EP0859362A2
公开(公告)日：1998-08-19
申请号：EP98301101.6
申请日：1998-02-16
IPC分类号： G11B20/10
CPC分类号： H04L7/0054 , G11B20/10009
摘要： A reproduced signal from a recording medium 1 is equalized at partial response (1, 0, -1) by a reproducing equalizer 3, and is converted into a reproduced and equalized signal. A clock reproducing circuit 4 issues a reproduced clock synchronized with the timing of data identification, and applies it to a phase adjusting circuit 5. A phase control signal generating circuit 6A detects a specific pattern from a reproduced digital signal issued from an A/D converter 7, and the advance or delay amount of phase of the reproduced clock is detected by the amplitude or distribution of the sampling value. This phase deviation amount is given to the phase adjusting circuit 5 as a phase control signal. The phase adjusting circuit 5 given a delayed clock to the A/D converter 7, and controls to A/D convert the reproduced signal at correct timing.
摘要翻译： 来自记录介质1的再现信号由再现均衡器3在部分响应（1,0，-1）处均衡，并被转换成再现和均衡信号。 时钟再现电路4发出与数据识别定时同步的再生时钟，并将其施加到相位调整电路5.相位控制信号生成电路6A从A / D转换器发出的再生数字信号中检测特定模式 7，并且通过采样值的幅度或分布来检测再现时钟的提前或延迟相位的量。 该相位偏移量作为相位控制信号被提供给相位调整电路5。 相位调整电路5给予A / D转换器7一个延迟的时钟，并控制在正确的时间对A / D转换再现的信号。
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