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1. 发明授权

US06839501B2 Video cassette recorder 有权
标题翻译：录像机
公开(公告)号：US06839501B2
公开(公告)日：2005-01-04
申请号：US09750731
申请日：2000-12-28
申请人： Tatsuya Kanatani , Hidehito Uemura
发明人： Tatsuya Kanatani , Hidehito Uemura
IPC分类号： H04N5/95 , G11B15/02 , H04N5/7826 , H04N5/783 , H04N5/923 , H04N9/79 , H04N9/87 , H04N5/91 , G11B15/12
CPC分类号： H04N5/783 , H04N5/78263 , H04N5/923 , H04N9/7917
摘要： There is provided a video cassette recorder comprising a delay element (1), a switching unit (2) for switching an output of the delay element (1), a logic unit (3) for controlling the switching unit (2), and a skew detection unit (4) for detecting a skew, wherein the delay element (1) shares a delay element used for vertical emphasis/vertical de-emphasis and for a comb line filter during a special replay. The video cassette recorder thus provides a fast-forwarding replay image, a rewinding replay image and a still image with improved skew distortion from a tape recorded in a long recording mode providing quintuple the recording time of a standard mode. This realizes an excellent special replay image at low cost without requiring an expensive circuit such as a TBC and the like.
摘要翻译：提供一种盒式录像机，包括延迟元件（1），用于切换延迟元件（1）的输出的切换单元（2），用于控制切换单元（2）的逻辑单元（3）用于检测偏斜的偏斜检测单元（4），其中延迟元件（1）在特殊重放期间共享用于垂直加重/垂直去加重的延迟元件和梳状线滤波器。因此，盒式磁带录像机提供快速重放图像，倒带重放图像和静止图像，其以长记录模式记录的带提供偏斜失真，提供标准模式的记录时间的五倍。这实现了低成本的优异的特殊重放图像，而不需要诸如TBC等的昂贵的电路。

2. 发明授权

US06731861B1 Video tape recorder 失效
标题翻译：录像机
公开(公告)号：US06731861B1
公开(公告)日：2004-05-04
申请号：US09646779
申请日：2000-11-30
申请人： Hidehito Uemura , Masashi Omura , Hiroshi Moriyama , Keisuke Tomoishi
发明人： Hidehito Uemura , Masashi Omura , Hiroshi Moriyama , Keisuke Tomoishi
IPC分类号： H04N591
CPC分类号： G11B5/0086 , G11B5/534 , G11B5/584 , G11B5/588 , G11B15/125 , G11B15/1875 , H04N5/78263 , H04N9/7921
摘要： In order to not only obtain excellent sound quality in a long-time recording mode not less than five times a standard recording mode by preventing, without narrowing a track pitch of a high-fidelity head, the high-fidelity head from tracing the third sound track from a target sound track as well as excellent picture quality free from crosstalk from an adjoining video track of a target video track but enable special playback without using a field memory in a video tape recorder, one head pair in conventional double azimuth type four heads for the standard recording mode and a threefold recording mode is used for video recording in the long-time recording mode and a head pair having a head width smaller than a width of a recording track is used exclusively for video playback in the long-time recording mode.
摘要翻译：为了不仅在标准记录模式的5倍以上的长时间记录模式下，通过防止高保真磁头的轨道间距变窄，从而追踪第三声音不仅能获得优良的音质来自目标声道的轨迹以及优良的图像质量，不受来自目标视频轨道的相邻视频轨道的串扰的影响，但是能够在磁带录像机中不使用场存储器进行特殊重放，在传统的双方位角型四磁头对于标准记录模式，并且在长时间记录模式中使用三重记录模式进行视频记录，并且具有小于记录磁道的宽度的磁头宽度的磁头对专门用于长时间记录中的视频播放模式。

3. 发明授权

US06275647B1 Video tape recorder 失效
标题翻译：录像机
公开(公告)号：US06275647B1
公开(公告)日：2001-08-14
申请号：US09646714
申请日：2000-12-06
申请人： Hidehito Uemura , Masashi Omura , Junichi Sakamoto
发明人： Hidehito Uemura , Masashi Omura , Junichi Sakamoto
IPC分类号： H04N5928
CPC分类号： G11B5/588 , G11B5/0086 , G11B5/534 , G11B5/584 , G11B15/125 , G11B15/1875 , H04N5/78263 , H04N5/783 , H04N9/7921
摘要： In order to not only obtain excellent sound quality in a long-time recording mode not less than five times a standard recording mode by preventing, without narrowing a track pitch of a high-fidelity head, the high-fidelity head from tracing the third sound track from a target sound track as well as excellent picture quality free from crosstalk from an adjoining video track of a target video track but enable special playback without using a field memory in a video tape recorder, one head pair in conventional double azimuth type four heads for the standard recording mode and a threefold recording mode is used for video recording in the long-time recording mode and a head pair having a head width smaller than a width of a recording track is used exclusively for video playback in the long-time recording mode.
摘要翻译：为了不仅在标准记录模式的5倍以上的长时间记录模式下，通过防止高保真磁头的轨道间距变窄，从而追踪第三声音不仅能获得优良的音质来自目标声道的轨迹以及优良的图像质量，不受来自目标视频轨道的相邻视频轨道的串扰的影响，但是能够在磁带录像机中不使用场存储器进行特殊重放，在传统的双方位角型四磁头对于标准记录模式，并且在长时间记录模式中使用三重记录模式进行视频记录，并且具有小于记录磁道的宽度的磁头宽度的磁头对专门用于长时间记录中的视频播放模式。

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