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    • 1. 发明授权
    • Apparatus for recording video and audio signals
    • 用于记录视频和音频信号的装置
    • US4763206A
    • 1988-08-09
    • US849903
    • 1986-04-09
    • Takao TakahashiHajime Inoue
    • Takao TakahashiHajime Inoue
    • H04N5/92H04N5/7826H04N9/835H04N5/91
    • H04N9/8355H04N5/78263
    • In an apparatus for recording video and audio signals, and in which a video signal has its time base compressed to 1/N the time base of a standard television signal and the time base compressed video signal is recorded in slant tracks on a tape by rotary heads while the tape is driven so as to provide a recording format coincident with that of a standard video tape recorder, and with video information of one field being recorded in each track; there are further provided a time base compressor for compressing the time base of an input audio signal in correspondence to the time base compressed video signal, a frequency modulator for frequency modulating a carrier signal with the time base compressed audio signal, and a mixer for mixing the time base compressed and frequency modulated audio signal with the time base compressed video signal prior to recording with the latter by the rotary heads in the standard recording format.
    • 在用于记录视频和音频信号的装置中,视频信号的时基压缩为1 / N,标准电视信号的时基和时基压缩视频信号通过旋转记录在磁带上的倾斜磁道中 磁带被驱动以提供与标准录像机的记录格式一致的记录格式,并且一个场的视频信息被记录在每个轨道中; 还提供了一种用于对应于时基压缩视频信号压缩输入音频信号的时基的时基压缩器,用于使用时基压缩音频信号对载波信号进行频率调制的频率调制器和用于混合的混频器 时基压缩和频率调制音频信号与时基压缩视频信号在记录之前由旋转磁头以标准记录格式进行记录。
    • 2. 发明授权
    • PCM-signal recording and/or reproducing apparatus
    • PCM信号记录和/或再现装置
    • US4734797A
    • 1988-03-29
    • US799925
    • 1985-11-21
    • Takao TakahashiHajime Inoue
    • Takao TakahashiHajime Inoue
    • G11B20/10G11B20/22G11B15/12G11B5/00
    • G11B20/22G11B20/10527
    • Pulse code modulated signal apparatus has a recording mode and a reproducing mode and comprises input terminals for respectively receiving input signals, a digital-to-analog converter for receiving a reproduced digital input signal in the reproducing mode and producing an analog output signal corresponding thereto, and switch circuitry for making a selection of the input signals, the analog output signal and a non-signal and producing a switched output corresponding thereto. A filter filters the switched output. A control circuit controls the switch circuit in the recording mode to select one of the input signals and in the reproducing mode to select alternately the analog output signal and the non-signal, thereby providing aperture compensation.
    • 脉冲编码调制信号装置具有记录模式和再现模式,并且包括用于分别接收输入信号的输入端子,用于在再现模式中接收再现的数字输入信号并产生与其对应的模拟输出信号的数 - 模转换器, 以及用于对输入信号进行选择的开关电路,模拟输出信号和非信号,并产生与其对应的开关输出。 一个滤波器对开关输出进行滤波。 控制电路在记录模式下控制开关电路以选择一个输入信号,并且在再现模式中交替选择模拟输出信号和非信号,由此提供孔径补偿。
    • 5. 发明授权
    • Signal reproducing method & apparatus, signal recording/reproducing method and apparatus and signal recording medium
    • 信号再现方法和装置,信号记录/再现方法和装置以及信号记录介质
    • US07133593B2
    • 2006-11-07
    • US11085649
    • 2005-03-21
    • Takao TakahashiMasashi OhtaToshiya AkibaMasami TomitaTaro Suito
    • Takao TakahashiMasashi OhtaToshiya AkibaMasami TomitaTaro Suito
    • H04N5/93
    • H04N9/8045G11B20/10527G11B27/032G11B27/034G11B27/036G11B27/105G11B27/11G11B27/329G11B2020/10592G11B2020/10916G11B2220/20G11B2220/216G11B2220/2525G11B2220/65G11B2220/90H04N5/783
    • By reducing the number of seek operations in an operation to play back a signal from a recording medium, the amount of data temporarily stored in a read buffer memory employed in a signal recording/playback apparatus is large enough to be output as a playback signal during a seek operation, allowing a continuous playback operation to be carried out. In order to reduce the number of seek operations, a signal is always recorded onto the recording medium in continuous free areas each having a size equal to or larger than a predetermined recording/playback time length which is typically set at 1 minute. If it is necessary to insert an additional signal having a length smaller than the predetermined recording/playback time length into a point of insertion in an area already occupied by an existing signal, a continuous free area with a size equal to or larger than the predetermined recording/playback time length is newly allocated to the additional signal. The additional signal is then recorded in the free area instead of being inserted into the point of insertion. Since the free area is larger in size than the length of the additional signal, the rest of the free area is filled up with a portion of the existing signal adjacent to the point of insertion.
    • 通过减少用于从记录介质播放信号的操作中的寻道操作次数,临时存储在信号记录/重放装置中使用的读缓冲存储器中的数据量足够大以作为重放信号被输出 搜索操作,允许执行连续播放操作。 为了减少搜索操作的数量,信号总是被记录在连续空闲区域中的记录介质上,每个区域的大小等于或大于通常设置为1分钟的预定记录/重放时间长度。 如果需要将具有小于预定记录/重放时间长度的长度的附加信号插入到已经被现有信号占据的区域中的插入点中,则具有等于或大于预定记录/重放时间长度的尺寸的连续空闲区域 记录/播放时间长度被新分配给附加信号。 然后将附加信号记录在空闲区域中,而不是插入插入点。 由于空闲区域的尺寸大于附加信号的长度,所以剩余的空闲区域被填充有与插入点相邻的现有信号的一部分。
    • 8. 发明授权
    • Recording and playback apparatus for continuous playback of fragmented signals
    • 用于连续播放分段信号的记录和播放装置
    • US06449423B1
    • 2002-09-10
    • US09547255
    • 2000-04-11
    • Takao TakahashiMasashi OhtaToshiya AkibaMasami TomitaTaro Suito
    • Takao TakahashiMasashi OhtaToshiya AkibaMasami TomitaTaro Suito
    • H04N576
    • H04N9/8045G11B20/10527G11B27/032G11B27/034G11B27/036G11B27/105G11B27/11G11B27/329G11B2020/10592G11B2020/10916G11B2220/20G11B2220/216G11B2220/2525G11B2220/65G11B2220/90H04N5/783
    • By reducing the number of seek operations in an operation to play back a signal from a recording medium, the amount of data temporarily stored in a read buffer memory employed in a signal recording/playback apparatus is large enough to be output as a playback signal during a seek operation, allowing a continuous playback operation to be carried out. In order to reduce the number of seek operations, a signal is always recorded onto the recording medium in continuous free areas each having a size equal to or larger than a predetermined recording/playback time length which is typically set at 1 minute. If it is necessary to insert an additional signal having a length smaller than the predetermined recording/playback time length into a point of insertion in an area already occupied by an existing signal, a continuous free area with a size equal to or larger than the predetermined recording/playback time length is newly allocated to the additional signal. The additional signal is then recorded in the free area instead of being inserted into the point of insertion. Since the free area is larger in size than the length of the additional signal, the rest of the free area is filled up with a portion of the existing signal adjacent to the point of insertion.
    • 通过减少用于从记录介质播放信号的操作中的寻道操作次数,临时存储在信号记录/重放装置中使用的读缓冲存储器中的数据量足够大以作为重放信号被输出 搜索操作,允许执行连续播放操作。 为了减少搜索操作的数量,信号总是被记录在连续空闲区域中的记录介质上,每个区域的大小等于或大于通常设置为1分钟的预定记录/重放时间长度。 如果需要将具有小于预定记录/重放时间长度的长度的附加信号插入到已经被现有信号占据的区域中的插入点中,则具有等于或大于预定记录/重放时间长度的尺寸的连续空闲区域 记录/播放时间长度被新分配给附加信号。 然后将附加信号记录在空闲区域中,而不是插入插入点。 由于空闲区域的尺寸大于附加信号的长度,所以剩余的空闲区域被填充有与插入点相邻的现有信号的一部分。
    • 9. 发明授权
    • Display device
    • 显示设备
    • US06339411B2
    • 2002-01-15
    • US09103836
    • 1998-06-24
    • Kazumasa MiyazakiMasami ToridukaYoshiki ShirochiTakao TakahashiKeiichi Nito
    • Kazumasa MiyazakiMasami ToridukaYoshiki ShirochiTakao TakahashiKeiichi Nito
    • G09G500
    • G09G3/002G02B27/017G09G3/20G09G3/3614G09G3/3648G09G5/399G09G2310/0235
    • A display device has a line scan driving circuit disposed in a horizontal direction of a display region and a pixel driving circuit (dot scan driving circuit) disposed in a vertical direction of the display for performing image display with pixel groups each forming one line in the vertical direction being scanned in the horizontal direction. Vertical-horizontal converting circuitry is provided for converting an image data stream supplied with n pixels in a horizontal direction and m horizontal lines in a vertical scanning direction into an image data stream with m pixels in a vertical direction and n vertical lines in a horizontal scanning direction, and the vertical-horizontal converted data is supplied to the display device by a display controlling circuit. That is, image data is supplied to the displaying device as a vertical-horizontal converted data stream and display operation is executed by vertical pixel rows being scanned in the horizontal direction, as a result of which the relatively small line scan driving circuit is disposed above or below the display region instead of the relatively large dot scan driving circuit and thus the area required for circuit mounting above/below the display region is reduced and the size of the display device in the vertical direction can be effectively reduced.
    • 显示装置具有沿显示区域的水平方向设置的行扫描驱动电路和沿着显示器的垂直方向设置的像素驱动电路(点扫描驱动电路),用于进行图像显示,每个像素组在每一个中形成一条线 垂直方向在水平方向扫描。 提供垂直 - 水平转换电路,用于将沿水平方向的n个像素提供的图像数据流和垂直扫描方向上的m个水平线转换为垂直方向上具有m个像素的图像数据流和在水平扫描中的n个垂直线 方向,并且通过显示控制电路将垂直水平转换的数据提供给显示装置。 也就是说,将图像数据作为垂直水平转换数据流提供给显示装置,并且通过在水平方向上扫描的垂直像素行执行显示操作,结果,相对较小的行扫描驱动电路设置在上方 或低于显示区域,而不是相对较大的点扫描驱动电路,因此减小了显示区域上方/下方的电路安装所需的面积,并且可以有效地降低显示装置在垂直方向上的尺寸。