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1.发明授权Video signal and method therefor time axis altering circuit used in a video tape recorder for recording a broadband video signal 失效用于记录宽带视频信号的录像机中使用的用于时间轴改变电路的视频信号及方法
公开(公告)号：US4873582A
公开(公告)日：1989-10-10
申请号：US210167
申请日：1988-06-21
CPC分类号： H04N9/82 , H04N9/7973 , H04N9/81
摘要： Disclosed is a magnetic recording-playback apparatus suitable for recording and reproducing a signal including a broad-band composite video signal and a method therefor. The broad-band signal is time-sliced into signals in two channels, and each divided signal is expanded on the time axis so that it is converted into a lower-band signal before being recorded on a magnetic tape. In the time axis expansion process, the vertical blanking signal and/or horizontal blanking signal is not expanded, whereby the divided video signals have a still lower frequency band.
摘要翻译： 公开了适用于记录和再现包括宽带复合视频信号的信号的磁记录重放装置及其方法。 宽带信号在两个信道中被时分片分成信号，并且每个分频信号在时间轴上被扩展，使得它在被记录在磁带上之前被转换成低频带信号。 在时间轴扩展处理中，不扩展垂直消隐信号和/或水平消隐信号，从而分割的视频信号具有更低的频带。
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公开(公告)号：US4746996A
公开(公告)日：1988-05-24
申请号：US748906
申请日：1985-06-26
申请人： Takashi Furuhata , Hitoaki Owashi , Michio Hibi
发明人： Takashi Furuhata , Hitoaki Owashi , Michio Hibi
摘要： A skew error correction device for a video signal in a television receiver or the like is disclosed. An oscillator produces an oscillation output signal of a constant frequency which is phase-synchronized with horizontal synchronization information included in an input video signal, and the output signal is used as a write clock. In a vertical blanking period, the oscillation output signal or a frequency-divided signal thereof is phase-compared with an output of a reference signal generator of a predetermined frequency or a frequency-divided signal thereof, and a phase error signal is negatively fed back to voltage control means which voltage-controls the oscillation frequency of the oscillator. Thus, the oscillation frequency is stabilized without using an AFC circuit and a skew error in the input video signal is eliminated.
摘要翻译： 公开了一种用于电视接收机等中的视频信号的偏斜纠错装置。 振荡器产生与包括在输入视频信号中的水平同步信息相位同步的恒定频率的振荡输出信号，并且输出信号用作写入时钟。 在垂直消隐期间，将振荡输出信号或其分频信号与预定频率的参考信号发生器或其分频信号的输出进行相位比较，并将相位误差信号反馈回 对电压控制装置进行电压控制振荡器的振荡频率。 因此，在不使用AFC电路的情况下稳定振荡频率，并且消除了输入视频信号中的偏斜误差。
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公开(公告)号：US4916553A
公开(公告)日：1990-04-10
申请号：US170119
申请日：1988-03-15
IPC分类号： H04N5/7826 , H04N5/92 , H04N9/896
CPC分类号： H04N9/896 , H04N5/78266 , H04N5/92
摘要： In a rotary magnetic head helical scan type video tape recorder using a segment recording system, a video signal of one vertical scanning period is divided into n video signal blocks, where n is an integer equal to or larger than 2, and a redundant period having a selected length is inserted into the video signal blocks in a recording mode. Each of the video signal blocks has a number of horizontal scanning lines equal or smaller than N/n, where N is the number of the horizontal scanning lines in a field of the video signal. In a reproducing mode, a time axis error of reproduced series of the video signal blocks is corrected at least during the redunant periods. Then, the corrected blocks are converted into the original video signal.
摘要翻译： 在使用分段记录系统的旋转磁头螺旋扫描型磁带录像机中，将一个垂直扫描周期的视频信号分成n个视频信号块，其中n是等于或大于2的整数，并且具有 在记录模式下将选定的长度插入到视频信号块中。 每个视频信号块具有等于或小于N / n的多条水平扫描线，其中N是视频信号的场中的水平扫描线的数量。 在再现模式中，至少在冗余期间校正视频信号块的再现系列的时间轴误差。 然后，校正的块被转换成原始视频信号。
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公开(公告)号：US4688081A
公开(公告)日：1987-08-18
申请号：US821444
申请日：1986-01-22
申请人： Takashi Furuhata , Hitoaki Owashi
发明人： Takashi Furuhata , Hitoaki Owashi
摘要： In order to correct a time base error of a video signal reproduced from a video signal recording/reproducing apparatus such as a VTR or the like, when the reproduced video signal is sequentially written into or read out from a memory, a signal which is obtained by frequency multiplying an output of an oscillator for generating a signal of a constant frequency whose phase is momentarily synchronized by a burst signal extracted from the reproduced video signal is used as a write clock. The signal based on the output of the oscillator and the signal based on the output of a reference signal generator for generating a read clock for the memory are phase compared for the vertical blanking period of the reproduced video signal, and a phase difference signal is generated. The oscillating frequency of the oscillator is controlled in a negative feedback manner using this phase difference signal, thereby assuring the stable oscillating frequency which does not cause any frequency deviation. To prevent that erroneous horizontal sync information is used when the burst signal is extracted, the write clock whose phase is synchronized with the reproduced video signal is counted until a predetermined count value and only the normal horizontal sync signal is separated, and also the dropout horizontal sync signal is corrected.
摘要翻译： 为了校正从诸如VTR等的视频信号记录/再现装置再现的视频信号的时基误差，当再现的视频信号被顺序地写入存储器或从存储器读出时，获得的信号 通过将用于产生其相位被从再现的视频信号提取的突发信号暂时同步的恒定频率的信号的振荡器的输出用作写入时钟。 基于振荡器的输出的信号和基于用于产生存储器的读取时钟的参考信号发生器的输出的信号被相位比较，用于再现的视频信号的垂直消隐周期，并且产生相位差信号 。 使用该相位差信号以负反馈方式控制振荡器的振荡频率，从而确保不引起任何频率偏差的稳定的振荡频率。 为了防止在提取脉冲串信号时使用错误的水平同步信息，将相位与再现的视频信号同步的写时钟计数直到预定的计数值，并且只有正常的水平同步信号被分离，并且还将丢弃水平 同步信号被校正。
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公开(公告)号：US4772950A
公开(公告)日：1988-09-20
申请号：US658021
申请日：1984-10-05
申请人： Takashi Furuhata , Hitoaki Owashi , Michio Hibi
发明人： Takashi Furuhata , Hitoaki Owashi , Michio Hibi
摘要： A method and apparatus for sampling and processing a video signal having a time base fluctuation with sampling clock pulses produced from an oscillator which is instantaneously phase-synchronized with synchronizing information of the video signal. The synchronizing information is separated from the video signal by a separator and the oscillator is controlled to at least one of start and stop oscillation in accordance with the synchronizing information.
摘要翻译： 一种用于采样和处理具有时基波动的视频信号的方法和装置，其中采样时钟脉冲由与视频信号的同步信息瞬时相位同步的振荡器产生。 通过分离器将同步信息与视频信号分离，并且根据同步信息将振荡器控制为起振和停止振荡中的至少一个。
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6.发明授权公开(公告)号：US08270812B2
公开(公告)日：2012-09-18
申请号：US12219251
申请日：2008-07-18
IPC分类号： H04N9/88
CPC分类号： H04N7/173 , G11B15/087 , G11B15/4731 , G11B15/52 , G11B20/1211 , G11B20/1813 , G11B27/005 , G11B27/032 , G11B27/3027 , G11B27/3036 , G11B27/3063 , G11B2220/90 , G11B2220/91 , H04B7/18523 , H04L12/64 , H04N5/775 , H04N7/106 , H04N7/1675 , H04N9/7921 , H04N9/8042 , H04N9/8233 , H04N9/877 , H04N21/4325 , H04N21/4334 , H04N2005/91321
摘要： A video signal input-output circuit and a recording-reproduction apparatus in which a digitally compressed video signal input in packet form can be recorded and reproduced efficiently and in stable fashion. In this apparatus, a clock reference is detected from a packet signal containing the clock reference and a digitally compressed video signal, a time stamp for a packet is generated using a clock signal in phase with the clock reference and added to the particular packet, and the packet signals with the time stamp added thereto are recorded closely to each other in a data storage element such as a magnetic recording medium. At playback, the packet interval is output by being restored to the original length on the basis of the time stamp added to the packet in store.
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公开(公告)号：US07952823B2
公开(公告)日：2011-05-31
申请号：US11926647
申请日：2007-10-29
申请人： Hideo Arai , Hitoaki Owashi , Kyoichi Hosokawa , Keizo Nishimura , Yoshizumi Watatani , Akira Shibata
发明人： Hideo Arai , Hitoaki Owashi , Kyoichi Hosokawa , Keizo Nishimura , Yoshizumi Watatani , Akira Shibata
IPC分类号： G11B5/00
CPC分类号： H04N5/926 , G11B5/00839 , G11B5/0086 , G11B5/09 , G11B15/00 , G11B15/1808 , G11B15/1875 , G11B15/4671 , G11B15/4673 , G11B20/00007 , G11B20/10527 , G11B20/18 , G11B27/005 , G11B27/032 , G11B27/10 , G11B2220/90 , H04N5/765 , H04N5/775 , H04N5/78263 , H04N5/783 , H04N9/7921 , H04N9/7973 , H04N9/8042
摘要： A method for digital information including at least one of digital video information and digital audio information to a transmission path. The method includes compressing the digital video information by a first compression method, bit compressing the digital audio information by a second compression method which is different from the first compression method, and adding error-detection information to both the digital video information and the digital audio information.
摘要翻译： 一种数字信息的方法，包括数字视频信息和数字音频信息中的至少一个到传输路径。 该方法包括通过第一压缩方法压缩数字视频信息，通过与第一压缩方法不同的第二压缩方法对数字音频信息进行位压缩，并将错误检测信息添加到数字视频信息和数字音频两者 信息。
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公开(公告)号：US07814563B2
公开(公告)日：2010-10-12
申请号：US11236725
申请日：2005-09-28
申请人： Takaharu Noguchi , Akira Shibata , Hitoaki Owashi
发明人： Takaharu Noguchi , Akira Shibata , Hitoaki Owashi
CPC分类号： H04N5/913 , G11B20/00086 , H04N2005/91328
摘要： By introducing a new copy control system into video signals subjected to picture quality restriction satisfactory only in small-sized PMP displays, a new business model in which copyrighters, consumers and makers can have mutual prosperity is created. “A new copy control rule of prohibiting a video signal output with a picture quality equivalent to that at time of recording from being copied, but permitting a video signal sufficiently degraded in picture quality as compared with time of recording to be copied” is added to the copy-never, copy-one-generation, and copy-free states belonging to the conventional copy control rule. The quality for which the copyrighter can permit copying corresponds to half the current number of DVD pixels. If a quality restricting scheme of thinning out pixels to half compared with time of recording is used, therefore, needs of consumers desiring to enjoy PMPs are satisfied while protecting rights of copyrighters.
摘要翻译： 通过将新的复制控制系统引入到仅在小型PMP显示器中令人满意的图像质量限制的视频信号中，创建了一种新的商业模式，其中复印机，消费者和制造商可以相互繁荣。 “与被复制的记录时相同的图像质量的视频信号输出的新的复制控制规则被添加到与要复制的记录的时间相比在图像质量中充分劣化的视频信号” 属于常规复制控制规则的复制永远不会复制一代和无副本状态。 复印机可以允许复印的质量对应于当前DVD像素数量的一半。 如果使用与记录时间相比减半像素的质量限制方案，则保护想要享受PMP的消费者的需求得到满足，同时保护了复印机的权利。
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9.发明申请INPUT-OUTPUT CIRCUIT, RECORDING APPARATUS AND REPRODUCTION APPARATUS FOR DIGITAL VIDEO SIGNAL 有权输入输出电路，数字视频信号的记录装置和复制装置公开(公告)号：US20100027962A1
公开(公告)日：2010-02-04
申请号：US11936852
申请日：2007-11-08
IPC分类号： H04N5/91
CPC分类号： H04N7/173 , G11B15/087 , G11B15/4731 , G11B15/52 , G11B20/1211 , G11B20/1813 , G11B27/005 , G11B27/032 , G11B27/3027 , G11B27/3036 , G11B27/3063 , G11B2220/90 , G11B2220/91 , H04B7/18523 , H04L12/64 , H04N5/775 , H04N7/106 , H04N7/1675 , H04N9/7921 , H04N9/8042 , H04N9/8233 , H04N9/877 , H04N21/4325 , H04N21/4334 , H04N2005/91321
摘要： A video signal input-output circuit and a recording-reproduction apparatus in which a digitally compressed video signal input in packet form can be recorded and reproduced efficiently and in stable fashion. In this apparatus, a clock reference is detected from a packet signal containing the clock reference and a digitally compressed video signal, a time stamp for a packet is generated using a clock signal in phase with the clock reference and added to the particular packet, and the packet signals with the time stamp added thereto are recorded closely to each other in a data storage element such as a magnetic recording medium. At playback, the packet interval is output by being restored to the original length on the basis of the time stamp added to the packet in store.
摘要翻译： 视频信号输入输出电路和记录再现装置，其中以数据形式输入的数字压缩视频信号可以有效和稳定地被记录和再生。 在该装置中，从包含时钟参考和数字压缩视频信号的分组信号中检测时钟参考，使用与时钟参考同相的时钟信号产生分组的时间标记并将其添加到特定分组，并且 附加有时间戳的分组信号在诸如磁记录介质的数据存储元件中彼此紧密地记录。 在回放时，通过基于在存储中添加到分组的时间标记恢复到原始长度来输出分组间隔。
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10.发明申请METHOD AND APPARATUS FOR RECEIVING A DIGITAL SIGNAL AND APPARATUS FOR RECORDING AND REPRODUCING THE DIGITAL SIGNAL 有权用于接收数字信号的方法和装置以及用于记录和再现数字信号的装置公开(公告)号：US20090252478A1
公开(公告)日：2009-10-08
申请号：US12401182
申请日：2009-03-10
IPC分类号： H04N5/91
CPC分类号： H04N5/85 , G11B20/0084 , H04B7/18523 , H04N5/4401 , H04N5/77 , H04N5/913 , H04N7/165 , H04N9/8042 , H04N21/234318 , H04N21/2543 , H04N21/4147 , H04N21/4305 , H04N21/4307 , H04N21/4331 , H04N21/4334 , H04N21/4345 , H04N21/4367 , H04N21/43853 , H04N21/4405 , H04N21/44204 , H04N21/4623 , H04N21/47208 , H04N21/8355 , H04N21/8547 , H04N2005/91364
摘要： A method and apparatus is provided for receiving and/or reproducing a digital signal, capable of efficiently recording a compressed, packeted digital signal and inhibiting a copy thereof. An input packet signal is added with a time stamp indicating a relative time of an arrival of the packet, and the packet signals of digital information with the added time stamps are recorded at reduced intervals therebetween. In reproducing, a packet interval adjusting circuit restores the original packet intervals in accordance with the time stamps, and then a time stamp change circuit changes at least one bit of the time stamp and thereafter outputs the digital information.
摘要翻译： 提供一种用于接收和/或再现数字信号的方法和装置，其能够有效地记录压缩的分组数字信号并禁止其复制。 在输入分组信号中加上表示分组到达的相对时间的时间标记，并且以减小的间隔记录具有添加的时间戳的数字信息的分组信号。 在再现时，分组间隔调整电路根据时间戳恢复原始分组间隔，然后时间戳变化电路改变时间标记的至少一位，然后输出数字信息。
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