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    • 21. 发明授权
    • Moving image management method and apparatus
    • 运动图像管理方法和装置
    • US07983528B2
    • 2011-07-19
    • US10930852
    • 2004-09-01
    • Hidetomo SohmaHiroshi TojoMasanori ItohMasafumi ShimotashiroTadashi Nakamura
    • Hidetomo SohmaHiroshi TojoMasanori ItohMasafumi ShimotashiroTadashi Nakamura
    • H04N5/93
    • G06F17/30817G11B27/034G11B27/105G11B27/329G11B2220/90
    • For multiple moving-image recorded on a storage medium, one piece of meta-data or each of multiple pieces of meta-data recorded for a part or all of the moving-image is managed by meta-data indices. A meta-data index keeps invalidity information indicating whether a piece of meta-data is going to be invalid and validity information indicating validity of the current piece of meta-data in the same form, when operations such as editing and processing are performed on a part or all of a moving-image that is an object of a piece of meta-data. When cutting-out occurs on a section of a moving-image that is an object of a piece of meta-data and the piece of meta-data cannot be recalculated, the invalidity information is copied to the validity information. In this manner, a meta-data added to the moving-image can be adapted and be used after the moving-image is edited.
    • 对于记录在存储介质上的多个运动图像,通过元数据索引来管理为一部分或全部运动图像记录的一条元数据或多条元数据中的每一条。 元数据索引保持指示一条元数据是否无效的无效信息以及指示当前操作如同编辑和处理的同一形式的当前元数据的有效性的有效性信息 作为元数据的对象的运动图像的部分或全部。 当作为元数据的对象的运动图像的一部分发生切割时,不能重新计算该元数据片段时,将无效信息复制到有效信息。 以这种方式,添加到运动图像的元数据可以在运动图像被编辑之后被适配和使用。
    • 25. 发明授权
    • Optical scanning apparatus and image forming apparatus
    • 光学扫描装置和图像形成装置
    • US07643193B2
    • 2010-01-05
    • US11759642
    • 2007-06-07
    • Tadashi NakamuraYoshinori HayashiNaoki Miyatake
    • Tadashi NakamuraYoshinori HayashiNaoki Miyatake
    • G02B26/08
    • G02B26/105G02B26/123
    • An optical scanning apparatus includes a light source, a light source driving unit that turns on the light source according to image information, a deflector that deflects and scans a light beam emitted from the light source according to sinusoidal vibration, and a scanning/imaging optical system that guides the light beam from the deflector to a scanned surface. The scanning/imaging optical system satisfies two conditions, i.e., (1) provided that the deflector moves in such a manner that an angular velocity is constant, linearity is made larger at a most peripheral image height than at a central image height within a range of an effective writing width, and (2) when a deflection angle of the deflector has a sinusoidal characteristic, the linearity is made smaller at the most peripheral image height than at the central image height within the range of the effective writing width.
    • 光学扫描装置包括光源,根据图像信息接通光源的光源驱动单元,根据正弦振动偏转和扫描从光源发射的光束的偏转器,以及扫描/成像光学 将光束从偏转器引导到扫描表面的系统。 扫描/成像光学系统满足两个条件,即,(1)如果偏转器以角速度恒定的方式移动,则在最外围图像高度处的线性比在范围内的中心图像高度处更大 的有效写入宽度,以及(2)当偏转器的偏转角具有正弦特性时,在有效写入宽度的范围内,在最周边的图像高度上比在中央图像高度处的线性更小。
    • 26. 发明申请
    • DRIVE DEVICE
    • 驱动装置
    • US20090022019A1
    • 2009-01-22
    • US12235286
    • 2008-09-22
    • Tadashi Nakamura
    • Tadashi Nakamura
    • G11B5/09
    • G06F3/064G06F3/0619G06F3/0677G11B20/1217G11B20/1883G11B27/329G11B2020/1873G11B2020/1893G11B2220/20G11B2220/218G11B2220/2541
    • A drive apparatus of the present invention includes a recording/reproduction section and a drive control section. The drive control section performs a process including: determining whether or not replacement management information including a replacement physical address is found in the replacement management information list, the replacement physical address matching the physical address corresponding to the logical address included in the recording instruction, when the replacement management information is not found, as a first time pseudo-overwrite recording for a location indicated by the physical address corresponding to the logical address included in the recording instruction, performing a process; and when the replacement management information is found, as a second time or more pseudo-overwrite recording for a location indicated by the physical address corresponding to the logical address included in the recording instruction, performing a process.
    • 本发明的驱动装置包括记录/再现部分和驱动控制部分。 驱动控制部执行处理,包括:确定在替换管理信息列表中是否找到包括替换物理地址的替换管理信息,替换物理地址与包括在记录指令中的逻辑地址相对应的物理地址匹配,当 作为对与包含在记录指令中的逻辑地址相对应的物理地址指示的位置的第一次伪重写记录,没有找到替换管理信息,执行处理; 并且当找到替换管理信息时,作为对应于包括在记录指令中的逻辑地址的物理地址指示的位置的第二次或更多次伪重写记录,执行处理。
    • 27. 发明申请
    • Drive Device
    • 驱动装置
    • US20080304377A1
    • 2008-12-11
    • US11570728
    • 2005-06-15
    • Tadashi Nakamura
    • Tadashi Nakamura
    • G11B5/09
    • G11B20/1217G11B20/1883G11B27/3027G11B27/329G11B2020/1222G11B2020/1285G11B2020/1873G11B2020/1893G11B2220/20G11B2220/218G11B2220/2541
    • A drive apparatus of the present invention includes a recording/reproduction section and a drive control section. The drive control section at least performs a process including: receiving a reproduction instruction; determining whether or not the reproduction of a latest replacement management information list has failed in response to the reproduction instruction; controlling the recording/reproduction section to reproduce location information before replacement recorded in the spare area and the user data area when the reproduction of the latest replacement management information list is determined to have failed; generating the latest replacement management information list based on the reproduced location information before replacement; and controlling the recording/reproduction section to record the latest replacement management information list at a predetermined location.
    • 本发明的驱动装置包括记录/再现部分和驱动控制部分。 驱动控制部至少执行处理,包括:接收再现指示; 确定最新替换管理信息列表的再现是否响应于再现指令而失败; 当确定最新的替换管理信息列表的再现被确定为失败时,控制记录/再现部分再现在备用区域中记录的替换之前的位置信息和用户数据区域; 根据更换前的再现位置信息生成最新的替换管理信息列表; 以及控制记录/再现部分将最新的替换管理信息列表记录在预定位置。
    • 28. 发明申请
    • Drive Device
    • 驱动装置
    • US20080279063A1
    • 2008-11-13
    • US10595626
    • 2005-06-14
    • Tadashi Nakamura
    • Tadashi Nakamura
    • G11B5/09
    • G11B20/1217G11B2020/10907
    • A drive apparatus of the present invention includes: a recording/reproduction section, a drive control section and a memory circuit. The drive control section performs a process including: receiving a recording instruction specifying at least data to be recorded; storing the data to be recorded in the memory circuit; defining data from a start location of the data stored in the memory circuit to a location corresponding to a next writable address as a first data portion; defining data from the location corresponding to the next writable address to an end location of the data stored in the memory circuit as a second data portion; and controlling the recording/reproduction section to record the second data portion before recording the first data portion.
    • 本发明的驱动装置包括:记录/再现部分,驱动控制部分和存储器电路。 驱动控制部执行处理,包括:接收至少指定要记录的数据的记录指令; 将要记录的数据存储在存储器电路中; 将存储在存储器电路中的数据的开始位置的数据定义为与下一可写地址相对应的位置作为第一数据部分; 将来自与下一可写地址相对应的位置的数据定义为存储在存储器电路中的数据的结束位置作为第二数据部分; 以及在记录第一数据部分之前控制记录/再现部分记录第二数据部分。