Image signal recording system having plural compression encoding modes
    11.
    发明授权
    Image signal recording system having plural compression encoding modes 失效
    具有多种压缩编码模式的图像信号记录系统

    公开(公告)号:US5754727A

    公开(公告)日:1998-05-19

    申请号:US395050

    申请日:1995-02-27

    摘要: An information signal recording system arranged to divide original information signals into signal groups, each bearing a predetermined amount of information, to have a plurality of compressing modes for different information compressing ratios and to compress the information signals of each group in one of the different compressing ratios in recording these signals on a tape-shaped magnetic recording medium comprises first compressed information signal forming means which operates on all these groups to form and produce a first compressed information signal consisting of only the information signals of a specific part of each of these groups; second compressed information signal forming means which operates on some of these groups to form and produce a second compressed information signal consisting of information signals of each groups excluding the information signals of the specific part; a magnetic head which records signals on the tape-shaped magnetic recording medium by tracing the medium in a direction of crossing the longitudinal direction of the medium; and supply means for supplying the magnetic head with the first and second compressed information signals by switching them from one over to the other at every half of the medium tracing period of the magnetic head.

    摘要翻译: 一种信息信号记录系统,被布置成将原始信息信号分成信号组,每个信号组具有预定量的信息,以具有用于不同信息压缩比的多个压缩模式,并且在不同压缩之一中压缩每个组的信息信号 在带状磁记录介质上记录这些信号的比率包括第一压缩信息信号形成装置,其对所有这些组进行操作以形成并产生仅由这些组中的每个组的特定部分的信息信号组成的第一压缩信息信号 ; 第二压缩信息信号形成装置,对这些组中的一些组进行操作,以形成和产生除了特定部分的信息信号的每个组的信息信号组成的第二压缩信息信号; 磁头,其通过在与介质的纵向交叉的方向上跟踪介质来在带状磁记录介质上记录信号; 以及供应装置,用于通过在磁头的介质追踪周期的每半年将它们从一个切换到另一个来向磁头提供第一和第二压缩信息信号。

    Image information signal transmitting system
    12.
    发明授权
    Image information signal transmitting system 失效
    图像信息传输系统

    公开(公告)号:US5023716A

    公开(公告)日:1991-06-11

    申请号:US608634

    申请日:1990-10-31

    IPC分类号: H04N7/12 H04N7/26 H04N7/46

    CPC分类号: H04N7/125 H04N19/59 H04N19/98

    摘要: An image information signal transmitting system of this invention is a system which divides an image information signal for one picture constituted by a set of picture element data into blocks each constituted by a predetermined quantity of picture element data, transmits the picture element data on each of the blocks on the basis of a mode selected from among a plurality of transmission modes each of which allows a different quantity of picture element data to be transmitted and a mode information signal indicative of the transmission mode of each of the blocks, and restores the picture element data on each of the blocks to the original image information signal. The system is arranged to store the transmitted picture element data, read out the stored picture element data at a data readout rate of one kind which is selected from among a plurality of different data readout rates and which corresponds to the kind of transmission mode indicated by the transmitted mode information signal, and implement a data restoring processing on the picture element data thus read on the basis of a data restoring processing of one kind which is selected from among a plurality of different data restoring processings and which corresponds to the kind of transmission mode indicated by the transmitted mode information signal. With this arrangement, it is possible to realize reductions in the size, weight and cost of the apparatus without deteriorating an image information signal to be transmitted.

    摘要翻译: 本发明的图像信息信号发送系统是将由一组图像元素数据构成的一幅图像的图像信息信号分割为由预定量的图像元素数据构成的块的系统, 基于从多个传输模式中选择的模式,每个传输模式允许发送不同数量的图像元素数据,以及表示每个块的传输模式的模式信息信号,并恢复图像 每个块上的元素数据到原始图像信息信号。 该系统设置为存储所发送的图像元素数据,以从多个不同数据读出速率中选择的一种数据读出速率读出存储的图像元素数据,并且其对应于由 发送模式信息信号,并且基于从多个不同的数据恢复处理中选择并且对应于传输的种类的一种的数据恢复处理,对这样读取的图像元素数据执行数据恢复处理 模式由发送模式信息信号指示。 利用这种布置,可以实现装置的尺寸,重量和成本的降低,而不会使要发送的图像信息信号恶化。

    Video signal recording apparatus having an interval recording mode
compatible with an overlap recording mode
    13.
    发明授权
    Video signal recording apparatus having an interval recording mode compatible with an overlap recording mode 失效
    具有与重叠记录模式兼容的间隔记录模式的视频信号记录装置

    公开(公告)号:US5598275A

    公开(公告)日:1997-01-28

    申请号:US265623

    申请日:1994-06-24

    摘要: A video signal recording apparatus includes a memory for storing a one-picture portion of an input video signal. An overlapping device gradually switches a first video signal, read from the memory, to a second video signal during a first predetermined time period, and provides an output video signal. A recording device records the video signal output from the overlapping device. A first manual operation member sets the video signal recording apparatus to an overlap mode, in which the overlapping device is operated in response to a start of recording by the recording device. A second manual operation member sets the video signal recording apparatus to an interval recording mode, in which the recording device is periodically operated to record during every second predetermined time period. A determination device determines the first and second predetermined time periods such that the second predetermined time period is longer than the first predetermined time period when the video signal recording apparatus is in the overlap mode and in the interval recording mode.

    摘要翻译: 视频信号记录装置包括用于存储输入视频信号的一个图像部分的存储器。 重叠装置在第一预定时间段期间逐渐地将从存储器读取的第一视频信号切换到第二视频信号,并提供输出视频信号。 记录装置记录从重叠装置输出的视频信号。 第一手动操作构件将视频信号记录装置设置为重叠模式,其中重叠装置响应于记录装置的开始记录而被操作。 第二手动操作构件将视频信号记录装置设置为间隔记录模式,其中记录装置在每隔一个预定时间周期期间周期性地操作以记录。 确定装置确定第一和第二预定时间段,使得第二预定时间段比视频信号记录装置处于重叠模式和间隔记录模式时的第一预定时间段长。

    Video signal processing apparatus
    14.
    发明授权
    Video signal processing apparatus 失效
    视频信号处理装置

    公开(公告)号:US5519448A

    公开(公告)日:1996-05-21

    申请号:US372879

    申请日:1995-01-13

    摘要: A video signal processing apparatus provided with a signal processing circuit including a memory capable of storing inputted video signals of one frame. In response to an operation of a manually operable freeze key, writing the video signals to the memory is inhibited, and reading the video signals from the memory is continuously performed. In response to a continuous operation of the freeze key in excess of a predetermined time period, the video signals of one frame are periodically written to the memory, and the video signals in the memory are continuously read. Various special effects can be given to images upon an operation of the single freeze key.

    摘要翻译: 一种具有信号处理电路的视频信号处理装置,该信号处理电路包括能够存储一帧的输入视频信号的存储器。 响应于可手动操作的冻结键的操作,将视频信号写入存储器被禁止,并且连续地从存储器读取视频信号。 响应于超过预定时间段的冻结键的连续操作,一帧的视频信号被周期性地写入存储器,并且连续地读取存储器中的视频信号。 在单个冻结键的操作时,可以对图像赋予各种特殊效果。

    Image display system with compressed video signal recording and display
    18.
    发明授权
    Image display system with compressed video signal recording and display 失效
    具有压缩视频信号记录和显示的图像显示系统

    公开(公告)号:US5249052A

    公开(公告)日:1993-09-28

    申请号:US978044

    申请日:1992-11-18

    IPC分类号: H04N5/77 H04N9/835

    摘要: A system comprises a video camera for producing one field portion of a video signal in a second predetermined period during a first predetermined period which is longer than the second predetermined period, a recorder for recording the one field portion of the video signal from the video camera in the second predetermined period during the first predetermined period and a display device arranged to make a vertical scanning from the upper to the lower side of an effective display surface in the second predetermined period during the first predetermined period for displaying an image related to the video signal produced from the video camera.

    摘要翻译: 一种系统包括摄像机,用于在比第二预定周期长的第一预定周期内在第二预定周期中产生视频信号的一个场部分;记录器,用于记录来自视频摄像机的视频信号的一个场部分 在第一预定时段期间的第二预定周期中,以及显示装置,被布置成在用于显示与视频相关的图像的第一预定时段期间在第二预定时段中从有效显示表面的上侧到下侧进行垂直扫描 从摄像机产生的信号。

    Information signal recording apparatus for aligning helical slant tracks
    19.
    发明授权
    Information signal recording apparatus for aligning helical slant tracks 失效
    用于对准螺旋倾斜轨道的信息信号记录装置

    公开(公告)号:US4878134A

    公开(公告)日:1989-10-31

    申请号:US855174

    申请日:1986-04-22

    IPC分类号: G11B15/467

    CPC分类号: G11B15/4678

    摘要: An apparatus for recording an information signal with rotary heads in each of a plurality of areas extending in the longitudinal direction of a tape-shaped recording medium is arranged to reproduce with the rotary heads a signal already recorded in a first area among the plurality of areas; and to record the information signal in the second of the areas while performing tracking control over the rotary heads by using the reproduced signal obtained from the first area.

    摘要翻译: 用于在沿带状记录介质的纵向方向延伸的多个区域中的每个区域中记录具有旋转磁头的信息信号的装置被布置成利用旋转磁头再现已经记录在多个区域中的第一区域中的信号 ; 并且通过使用从第一区域获得的再现信号在第二区域中记录信息信号,同时对旋转磁头进行跟踪控制。

    Tracking control system using single frequency pilot signal
    20.
    发明授权
    Tracking control system using single frequency pilot signal 失效
    跟踪控制系统采用单频导频信号

    公开(公告)号:US5229891A

    公开(公告)日:1993-07-20

    申请号:US831632

    申请日:1992-02-07

    IPC分类号: G11B15/467 G11B21/10

    CPC分类号: G11B21/103 G11B15/4678

    摘要: In an apparatus for recording an information signal on a recording medium forming many parallel tracks on the medium and for reproducing the information signal from the medium, a tracking control system is arranged to record a pilot signal of a given frequency along with the information signal in the first of the many tracks; to have the pilot signal also recorded in second and third tracks adjoining the first track on both sides thereof but at pilot signal phases shifted from the pilot signal phase of the first track to equal degrees in the directions opposite to each other at parts of the second and third tracks aligned perpendicularly to the longitudinal direction of the first track; and, in reproducing the information signal, the position of the recording medium and that of a reproducing head relative to each other are controlled on the basis of the pilot signal of the given frequency reproduced by the reproducing head from the first track along with the information signal.

    摘要翻译: 在用于在介质上形成许多并行轨道的记录介质上记录信息信号并用于从介质再现信息信号的设备中,跟踪控制系统被布置成将信号信号与信息信号一起记录在一起 第一个很多轨道; 使得导频信号也记录在与其两侧相邻的第一磁道的第二和第三磁道中,但是在第二磁道的一部分处的导频信号相位从第一磁道的导频信号相位相移到相等的方向 和第三轨道,其垂直于第一轨道的纵向排列; 并且在再现信息信号时,基于由再现头从第一轨道再现的给定频率的导频信号与信息一起来控制记录介质和再现头相对于彼此的位置 信号。