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公开(公告)号：US20150113338A1
公开(公告)日：2015-04-23
申请号：US14398615
申请日：2013-10-01
Inventor： Tooru Maruyama , Takeharu Yamamoto , Hisae Kato
CPC classification number: G06F11/3466 , G06F11/3037 , G06F11/3409 , G06F11/3485 , G06F2201/81
Abstract: A change necessity determination unit (12) determines necessity of change of a monitoring time interval of each performance item from a performance value of at least one performance item held by a performance value holding unit (11). A time interval computation unit (15) shortens a monitoring time interval of a performance item, for which the monitoring time interval is determined to need to be shortened by the change necessity determination unit (12), and extends a monitoring time interval of at least one performance item other than the performance item for which the monitoring time interval is determined to need to be shortened. A time interval update unit (16) updates the monitoring time interval held by the time interval holding unit (10), to the monitoring time interval of each performance item, which is computed by the time interval computation unit (15).
Abstract translation: 改变必要性确定单元（12）根据由演奏值保持单元（11）保存的至少一个演奏项目的演奏值，确定每个演奏项目的监视时间间隔的改变的必要性。 时间间隔计算单元（15）缩短由改变必要性确定单元（12）确定需要缩短监视时间间隔的性能项目的监视时间间隔，并且至少延长监视时间间隔 确定需要缩短监视时间间隔的性能项目之外的一个性能项目。 时间间隔更新单元（16）将由时间间隔保持单元（10）保持的监视时间间隔更新为由时间间隔计算单元（15）计算的每个演奏项目的监视时间间隔。
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公开(公告)号：US09767844B1
公开(公告)日：2017-09-19
申请号：US15356847
申请日：2016-11-21
Inventor： Hisae Kato , Yoshikazu Yamamoto , Motoshi Ito
CPC classification number: G11B20/1889 , G11B20/1217 , G11B2020/1241
Abstract: An information recording method of recording information is provided in an information recording medium having a plurality of recording layers including a first recording layer and a second recording layer located to be closer to a surface than the first recording layer, each of the plurality of recording layers includes a user data area for recording user data, a spare area for alternatively recording data of failed recording into the user data area, and a management information area for recording management information. The first recording layer is used as a recording object layer at start of recording. When any one of the user data area, the spare area, and the management information area of the first recording layer runs short of a free space, then the recording object layer of the user data area, the spare area, and the management information area is switched over to the second recording layer.
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公开(公告)号：US09792942B2
公开(公告)日：2017-10-17
申请号：US15153101
申请日：2016-05-12
Inventor： Yoshihisa Takahashi , Hisae Kato , Motoshi Ito
CPC classification number: G11B7/0079 , G11B7/007 , G11B7/00718 , G11B7/00736 , G11B7/00745 , G11B20/1217 , G11B27/329 , G11B2007/00709 , G11B2007/00754 , G11B2020/10861 , G11B2020/1227 , G11B2020/1873 , G11B2220/218 , G11B2220/235
Abstract: A write-once type information recording medium according to one aspect of the present disclosure includes at least one recording layer. In the information recording medium, the at least one recording layer has a spiral shape in which a land track and a groove track are alternately arranged as a recording track, the recording track is divided into blocks each of which being minimum unit in which recording is performed, and the information recording medium includes a management information area where management information is recorded and a user data area where user data is recorded. Each of the management information areas of both the land track and the groove track on each recording layer of the at least one recording layer is disposed at a same distance from the center of the information recording medium.
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