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    • 1. 发明授权
    • Tracking control in apparatus for fast reproducing digital information
signal from magnetic tape
    • 用于从磁带快速再现数字信息信号的设备中的跟踪控制
    • US5532835A
    • 1996-07-02
    • US441703
    • 1995-05-15
    • Harushige NakagakiNaozumi SugimuraTakao AraiYasunori Ohara
    • Harushige NakagakiNaozumi SugimuraTakao AraiYasunori Ohara
    • G11B15/18G11B15/467G11B27/00G11B27/30H04N5/7826H04N5/783H04N9/82H04N5/76G11B5/55G11B15/46H04N5/78
    • H04N5/783G11B15/1875G11B15/4672G11B15/4675G11B27/005G11B27/3027G11B2220/90H04N5/78263H04N9/8227
    • The helical scan reproducing apparatus for magnetically recorded digital information signal reproduces the digital information from the magnetic tape wrapped around the rotary cylinder. The digital information signal is recorded on a plurality of recorded tracks of the magnetic tape. The magnetic heads of the rotary cylinder scan the recorded tracks to reproduce the digital information signal. The reproducing apparatus has the standard playback mode in which it is operated to reproduce at the standard speed and the fast playback mode in which it is operated to reproduce at a higher speed than the standard speed. The tracking control in the reproducing apparatus controls the speed of the magnetic tape so that in the fast playback mode the magnetic heads precisely trace the particular regions of the tracks which particular regions have data for fast playback mode recorded. Each of the tracks is divided into a plurality of blocks. Each of the blocks has recorded therein the digital information signal and an identification signal formed of a track number for indicating the corresponding track and a block number for indicating the corresponding block. At least one particular block of the blocks on each track has the digital information signal recorded for the fast playback mode. The particular blocks are dispersedly arranged over the plurality of tracks in such a manner that in the fast playback mode the magnetic heads scan the particular blocks along their scan path on the magnetic tape.
    • 用于磁记录数字信息信号的螺旋扫描再现装置从缠绕在旋转圆筒上的磁带再现数字信息。 数字信息信号被记录在磁带的多个记录轨道上。 旋转圆筒的磁头扫描记录的磁道以再现数字信息信号。 再现装置具有标准重放模式,其中以标准速度和快速重放模式操作以再现速度比标准速度更高的速度再现。 再现装置中的跟踪控制控制磁带的速度,使得在快速重放模式中,磁头精确地跟踪特定区域的特定区域,该特定区域具有记录的快速重放模式的数据。 每个轨道被分成多个块。 每个块在其中记录了数字信息信号和由用于指示对应的轨道的轨道号和用于指示相应块的块号形成的识别信号。 每个轨道上的块的至少一个特定块具有为快速重放模式记录的数字信息信号。 特定块以这样的方式分散地布置在多个轨道上,使得在快速重放模式中,磁头沿着其在磁带上的扫描路径扫描特定块。
    • 2. 发明授权
    • Image processing device, image processing method, and program
    • 图像处理装置,图像处理方法和程序
    • US08531570B2
    • 2013-09-10
    • US13325861
    • 2011-12-14
    • Naozumi Sugimura
    • Naozumi Sugimura
    • H04N5/335
    • H04N5/772H04N5/907
    • An image processing device and method for reducing the line memory consumption in an image processor is disclosed. The image processing device includes an imaging unit for acquiring image data by imaging a subject, an image memory to which a first part out of first and second parts of the image data output from the imaging unit is input, and an image processor for image-processing the first part received from the image memory, image-processing the second part received without passing it through the image memory, and generating a processed image corresponding to the image data by synthesizing the processed first and second parts.
    • 公开了一种用于减少图像处理器中的线路存储器消耗的图像处理装置和方法。 图像处理装置包括:成像单元,用于通过成像对象来获取图像数据;图像存储器,输入从成像单元输出的图像数据的第一和第二部分中的第一部分;图像处理器, 处理从图像存储器接收的第一部分,对接收的第二部分进行图像处理而不通过图像存储器,并通过合成处理的第一和第二部分来生成与图像数据相对应的经处理的图像。
    • 3. 发明授权
    • Reproducing device
    • 复制设备
    • US08254754B2
    • 2012-08-28
    • US12058888
    • 2008-03-31
    • Naozumi SugimuraTakuya Imaide
    • Naozumi SugimuraTakuya Imaide
    • H04N9/80
    • H04N21/434H04N5/04H04N5/073H04N5/4401H04N5/44504H04N9/8042H04N9/8063H04N9/8227H04N9/8715H04N9/877H04N21/44016H04N21/4622H04N21/4856H04N21/4884
    • A reproducing device for playing back data from a recording medium, including: playback circuits for playing back at least two stream data in a time division multiplexing manner from a recording medium that records: first stream data which includes first video data, first audio data, and first sub-picture data, and second stream data which includes second video data, second audio data, and second sub-picture data; and selection circuits for conducting at least one of: switching from the first video data to the second video data, switching from the first audio data to the second audio data, and switching from the first sub-picture data to the second sub-picture data; wherein data which is newly switched by the selection circuits and the data which is not switched by the selection circuits, are synchronously superimposed and outputted.
    • 一种用于从记录介质重放数据的再现装置,包括:从记录介质的时分复用方式回放至少两个流数据的重放电路,所述记录介质包括:第一流数据,其包括第一视频数据,第一音频数据, 和第一子图像数据,以及包括第二视频数据,第二音频数据和第二子图像数据的第二流数据; 以及选择电路,用于进行以下中的至少一个:从第一视频数据切换到第二视频数据,从第一音频数据切换到第二音频数据,以及从第一子画面数据切换到第二子画面数据 ; 其中由选择电路重新切换的数据和不被选择电路切换的数据被同步地叠加并输出。
    • 4. 发明授权
    • Reproducing device
    • 复制设备
    • US07835626B2
    • 2010-11-16
    • US10960059
    • 2004-10-08
    • Naozumi SugimuraTakuya Imaide
    • Naozumi SugimuraTakuya Imaide
    • H04N7/00
    • H04N21/434H04N5/04H04N5/073H04N5/4401H04N5/44504H04N9/8042H04N9/8063H04N9/8227H04N9/8715H04N9/877H04N21/44016H04N21/4622H04N21/4856H04N21/4884
    • Heretofore, there have been problems in which data prerecorded on a recording medium cannot readily be played back in synchronism with data downloaded via a network because the simultaneous use of a plurality of download data has not been taken into consideration. To solve such problems, data is played back by using a first buffer memory for temporarily storing a stream that is received at one input terminal, a demultiplexer for demultiplexing packets output from the first buffer memory in accordance with packet ID numbers, second buffer memories for temporarily storing a stream that is input from another input terminal, and a packet switcher for operating selector switches to select and output either packets output from the demultiplexer or packets output from the second buffer memories.
    • 迄今为止,存在由于并没有考虑到多个下载数据的同时使用而经由网络而与下载的数据同步地在记录介质上预先记录的数据不能容易地再现的问题。 为了解决这些问题,通过使用用于暂时存储在一个输入端子处接收的流的第一缓冲存储器来回放数据,解复用器,用于根据分组ID号解复用从第一缓冲存储器输出的分组,第二缓冲存储器,用于 临时存储从另一个输入终端输入的流;以及分组切换器,用于操作选择器开关,以选择和输出从解复用器输出的分组或从第二缓冲存储器输出的分组。
    • 6. 发明授权
    • Digital signal recording and reproduction apparatus suitable for recording and reproducing a compressed video signal
    • 适于记录和再现压缩视频信号的数字信号记录和再现装置
    • US06519411B1
    • 2003-02-11
    • US09690999
    • 2000-10-18
    • Naozumi SugimuraHiroo Okamoto
    • Naozumi SugimuraHiroo Okamoto
    • H04N576
    • G11B27/107G11B27/3027G11B27/3063G11B2220/90H04N9/8042H04N9/888
    • A digital signal processing apparatus including a time stamp generator generating a reference time having a same format as a first time stamp added to each packet of an inputted digital signal, a comparator comparing the first time stamp added to each packet of the inputted digital signal with the reference time, a time stamp converter converting the first time stamp added to each packet of the inputted digital signal into a second time stamp having a different format than the first time stamp, and an output circuit outputting an outputted digital signal in the form of a plurality of packets having the second time stamp converted by the time stamp converter added to each packet when the first time stamp of each packet of the inputted digital signal coincides with the reference time.
    • 一种数字信号处理装置,包括:时间戳发生器,生成与输入的数字信号的每个分组相加的与第一时间戳相同的格式的参考时间;比较将添加到输入的数字信号的每个分组的第一时间标记与 参考时间,将添加到所输入的数字信号的每个分组的第一时间戳转换为具有与第一时间戳不同的格式的第二时间戳的时间戳转换器,以及输出电路,其输出数字信号的形式为 当输入的数字信号的每个分组的第一时间标记与参考时间一致时,具有由添加到每个分组的时间戳转换器转换的第二时间戳的多个分组。