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1.发明申请公开(公告)号：US20070189135A1
公开(公告)日：2007-08-16
申请号：US11529468
申请日：2006-09-27
申请人： Eijiro Tazawa , Atsushi Fuchiwaki , Taku Hoshizawa
发明人： Eijiro Tazawa , Atsushi Fuchiwaki , Taku Hoshizawa
IPC分类号： G11B20/10
CPC分类号： G11B20/10009 , G11B2020/1873 , G11B2220/218 , G11B2220/2541
摘要： The present invention provides a method or an apparatus for recording data additionally by acquiring replacement data easily even when the latest disc management information cannot be read out of the disc. When updating TDMS (Temporary Disc Management Structure), an update reason of a corresponding TDMS and a TDDS (Temporary Disc Definition Structure) start address in a previously recorded TDMS are recorded in disc management information as additional information. If the latest TDMS cannot be read out of the disc but the additional information can be read out, the additional information are referred to determine the latest LRA for use in additional data recording on the disc.
摘要翻译： 本发明提供了一种用于通过即使当最新的盘管理信息不能从光盘读出时也容易地获取替换数据而附加地记录数据的方法或装置。 当更新TDMS（临时盘管理结构）时，先前记录的TDMS中的相应TDMS和TDDS（临时盘定义结构）起始地址的更新原因被记录在盘管理信息中作为附加信息。 如果最新的TDMS无法从光盘中读出，但可以读出附加信息，则参考附加信息来确定用于在光盘上进行附加数据记录的最新LRA。
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2.发明授权Rotary magnetic head cylinder device for reduced vibration and proper head/type alignment 失效旋转磁头气缸装置用于减少振动和适当的头部/类型对准
公开(公告)号：US5661622A
公开(公告)日：1997-08-26
申请号：US681605
申请日：1996-07-29
申请人： Masanori Kochi , Akihiro Nakajima , Yoshio Uemura , Toshihiko Imachi , Kuniaki Hirayama , Eijiro Tazawa , Kiyokazu Watanabe
发明人： Masanori Kochi , Akihiro Nakajima , Yoshio Uemura , Toshihiko Imachi , Kuniaki Hirayama , Eijiro Tazawa , Kiyokazu Watanabe
摘要： A rotary magnetic recording and reproducing apparatus includes a stationary cylinder formed on a lower portion of an outer peripheral surface thereof with a guide lead for guiding a lower edge of a magnetic tape and defining a tape running face on an upper portion of the outer peripheral surface thereof, a first bulge portion formed on an upper edge portion of the tape running face of the stationary cylinder on a tape leaving side of the upper edge portion of the tape running face and a second bulge portion which is smaller in height than the first bulge portion and formed on the upper edge portion of the tape running face on the tape leaving side thereof and in the vicinity of the first bulge portion on a tape incoming side of the first bulge portion. The first bulge portion serves to relax shock or vibration of a magnetic tape leaving the magnetic head and the second bulge portion serves to improve "head-touch" of the magnetic tape.
摘要翻译： 一种旋转磁记录和再现装置，包括：一个形成在其外周表面的下部的固定圆筒，用于引导磁带的下边缘的引导线，并且在外周面的上部限定一条带走向面 第一凸起部，形成在所述静止圆筒的带走带面的上边缘部分上，所述第一凸起部位于所述带走带面的上边缘部分的带离开侧;以及第二凸起部分，其高度小于所述第一凸起部 并且形成在带离开侧的带行走面的上边缘部分上并且在第一凸起部分的带进入侧的第一凸起部分附近。 第一凸起部分用于放松离开磁头的磁带的冲击或振动，并且第二凸起部分用于改善磁带的“头部接触”。
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公开(公告)号：US20070198842A1
公开(公告)日：2007-08-23
申请号：US11634962
申请日：2006-12-07
申请人： Osamu Kawamae , Eijiro Tazawa
发明人： Osamu Kawamae , Eijiro Tazawa
IPC分类号： H04L9/00
CPC分类号： H04K1/00 , G11B20/00086 , G11B20/00268 , G11B20/00405 , G11B20/00601 , G11B20/00768 , G11B20/00884 , G11B2220/2541
摘要： A watermark information detection process prevents prolonging of time required for setup process when no watermark information can be detected from an optical disc where watermark information has been recorded. During a setup, the number of retrials is limited. Weighting of the retrial is changed so that detection of watermark information is performed when it is confirmed that watermark information is recorded. This enables detection of information for copyright protection in an appropriate processing time.
摘要翻译： 水印信息检测处理防止当从已经记录了水印信息的光盘检测不到水印信息时，可以延长设置处理所需的时间。 在设置过程中，重试次数有限。 改变重试的加权，使得当确认水印信息被记录时，执行水印信息的检测。 这使得能够在适当的处理时间内检测用于版权保护的信息。
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公开(公告)号：US07751587B2
公开(公告)日：2010-07-06
申请号：US11634962
申请日：2006-12-07
申请人： Osamu Kawamae , Eijiro Tazawa
发明人： Osamu Kawamae , Eijiro Tazawa
CPC分类号： H04K1/00 , G11B20/00086 , G11B20/00268 , G11B20/00405 , G11B20/00601 , G11B20/00768 , G11B20/00884 , G11B2220/2541
摘要： A watermark information detection process prevents prolonging of time required for setup process when no watermark information can be detected from an optical disc where watermark information has been recorded. During a setup, the number of retrials is limited. Weighting of the retrial is changed so that detection of watermark information is performed when it is confirmed that watermark information is recorded. This enables detection of information for copyright protection in an appropriate processing time.
摘要翻译： 水印信息检测处理防止当从已经记录了水印信息的光盘检测不到水印信息时，可以延长设置处理所需的时间。 在设置过程中，重试次数有限。 改变重试的加权，使得当确认水印信息被记录时，执行水印信息的检测。 这使得能够在适当的处理时间内检测用于版权保护的信息。
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