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    • 6. 发明授权
    • Video signal recording and/or reproducing apparatus
    • 视频信号记录和/或再现装置
    • US4901119A
    • 1990-02-13
    • US273735
    • 1988-11-15
    • Katsuji YoshimuraToshiyuki MasuiChikara SatoTadayoshi Nakayama
    • Katsuji YoshimuraToshiyuki MasuiChikara SatoTadayoshi Nakayama
    • H04N5/92G11B20/10H04N9/808H04N9/877
    • H04N9/808H04N9/877
    • A video signal recording and/or reproduction apparatus in which an analog video signal from the inlet is digitized to form video data, then the video data are stored in a memory means for a time, then the stored video data are read out from the memory means before they are recorded on a recording medium. When reproducing the recorded video data from the recording medium, the reproduced video data are stored in a memory means for a time, then the stored video data are read out from the memory means, then the analog video signal is restored from the read video data, and then the analog video signal is produced at the output of the apparatus. Further, by taking the synchronism of the write and read control signals of different frequency for either of the memory means of the recording and reproducing systems, it is made possible to assure accurate and reliable conversion between the analog and digital forms of the video signals when either in the record or in the reproduction mode.
    • 一种视频信号记录和/或再现装置,其中来自入口的模拟视频信号被数字化以形成视频数据,然后将视频数据存储在存储装置中一段时间​​,然后将所存储的视频数据从存储器读出 在将它们记录在记录介质上之前的装置。 当从记录介质再现记录的视频数据时,将再现的视频数据存储在存储装置中一段时间​​,然后从存储装置中读出存储的视频数据,然后从读取的视频数据中恢复模拟视频信号 ,然后在设备的输出处产生模拟视频信号。 此外,通过对记录和再现系统的存储装置中的任一个采取不同频率的写入和读取控制信号的同步,可以确保视频信号的模拟和数字形式之间的准确和可靠的转换, 无论是在记录还是在再现模式。
    • 10. 发明授权
    • Image signal recording apparatus
    • 图像信号记录装置
    • US4849833A
    • 1989-07-18
    • US78217
    • 1987-07-27
    • Katsuji YoshimuraToshiyuki MasuiChikara SatoTadayoshi Nakayama
    • Katsuji YoshimuraToshiyuki MasuiChikara SatoTadayoshi Nakayama
    • G11B20/12H04N5/926H04N9/797
    • H04N5/9268H04N9/7973
    • An image signal recording apparatus of the kind handling and recording on a recording medium an image signal which corresponds to a still image consisting of a plurality of horizontal scanning lines and which consists of a plurality of horizontal scanning line information signals corresponding to the horizontal scanning lines is arranged to receive the image signal by the unit of the horizontal scanning line information signal; to obtain horizontal scanning line information data by digitizing the horizontal scanning line information signals; and to form an n number (n: an integer which is at least one) of recording tracks on the recording medium by recording on the medium the horizontal scanning line information data which corresponds to an m number (m: an integer which can be expressed as 1.ltoreq.m.ltoreq.10) of horizontal scanning lines.
    • 一种在记录介质上进行处理和记录的图像信号记录装置,对与由多条水平扫描线组成的静止图像对应的图像信号进行处理并记录,该图像信号由与水平扫描线对应的多条水平扫描线信息信号组成 被布置成以水平扫描线信息信号为单位接收图像信号; 通过数字化水平扫描线信息信号来获得水平扫描线信息数据; 并且通过在介质上记录与m个数相对应的水平扫描线信息数据(m:可表达的整数),在记录介质上形成记录轨迹的n个数(n:至少为一个整数) 作为1