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    • 6. 发明授权
    • Video recording and playback apparatus
    • 录像回放装置
    • US5953487A
    • 1999-09-14
    • US981837
    • 1998-01-07
    • Joseph Craig EngleRobert Harold MetcalfeSung Jo KimJesse Edward HerzbergHans-Joachim Platte
    • Joseph Craig EngleRobert Harold MetcalfeSung Jo KimJesse Edward HerzbergHans-Joachim Platte
    • G11B15/02G11B15/087G11B15/18G11B15/665G11B27/00G11B27/10G11B27/32G11B27/34H04N5/783
    • G11B27/324G11B15/023G11B15/087G11B15/1816G11B15/1875G11B15/6656G11B27/007G11B27/107G11B2220/90G11B2220/91G11B27/34
    • A video recording and playback device has a control track recorder for recording a control track signal including timing edges recorded on a tape or other storage medium together with the video program. A decoder is coupled to the control track signal and to the tape drive for switching among a forward play mode, a forward skip mode and a rewind mode, as a function of play, skip and rewind codes inserted into the control track as phase variations of edges other than those used for timing, or preferably as pulses with sloping edges distinct from the timing edges. In addition to selectively skipping sections of the video program preceded by a skip code and followed by a play code, such as commercial breaks, the device permits user editing of play and skip codes and selective multiple replays of sections of the video program preceded by a play code and followed by a rewind code. Replay can be continuous or for a predetermined number of replays, encoded in the control track signal with the play, skip or rewind codes. The play, skip and rewind codes and/or the number of play repetitions are user editable from an on screen menu for changing the content to be presented during a later playback.
    • PCT No.PCT / US96 / 11369 Sec。 371日期1997年1月7日 102(e)1997年1月7日PCT PCT 1996年7月8日PCT公布。 公开号WO97 / 03442 日期1997年1月30日视频记录和重放设备具有控制轨道记录器,用于记录包括与视频节目一起记录在磁带或其他存储介质上的定时边缘的控制轨道信号。 解码器被耦合到控制轨道信号和磁带驱动器,用于在正向播放模式,前向跳过模式和倒带模式之间切换,作为插入到控制轨道中的播放,跳过和倒退代码的函数,作为相位变化 除了用于定时的边缘之外的边缘,或优选地具有与定时边缘不同的倾斜边缘的脉冲。 除了选择性地跳过视频节目的部分之外,其前面是跳过代码,随后是播放代码(例如商业广告片断),该设备允许用户编辑播放和跳过代码以及视频节目的部分的选择性多次重放,之前是 播放代码,然后是倒带代码。 重播可以是连续的或预定数量的重放,通过播放,跳过或倒退代码编码在控制轨道信号中。 播放,跳过和倒退代码和/或播放重复次数可由用户在屏幕菜单上进行编辑,以改变在稍后播放期间呈现的内容。