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    • 4. 发明授权
    • Sheet material transport apparatus and recording apparatus
    • 片材输送装置和记录装置
    • US08172217B2
    • 2012-05-08
    • US13015489
    • 2011-01-27
    • Tetsuya TamuraAkira NemuraHiroki Chino
    • Tetsuya TamuraAkira NemuraHiroki Chino
    • B65H5/00B65H5/22
    • B65H5/06
    • A sheet material transport apparatus includes a second planetary gear engaging with a transmission gear and providing planetary motion around the transmission gear. The second planetary gear is in a second separated position not capable of engaging with a first planetary gear during forward-direction rotation. The transmission gear engages with the first planetary gear and rotates in a direction that causes a second transport roller to rotate in the forward rotation direction, and positioned to engage with the first planetary gear that is positioned in a first engaging position during reverse rotation. A load is placed on the transmission gear by the second transport roller. The transmission gear rotates in the opposite direction to the forward-direction rotation. The second planetary gear applies a force on the first planetary gear in the direction that separates the first planetary gear from the transmission gear due to rotation.
    • 片材输送装置包括与传动齿轮啮合的第二行星齿轮,并且围绕传动齿轮提供行星运动。 第二行星齿轮在向前旋转期间不能与第一行星齿轮接合的第二分离位置。 传动齿轮与第一行星齿轮接合并沿着使第二输送辊沿正转方向旋转的方向旋转,并且定位成与反向旋转期间位于第一接合位置的第一行星齿轮接合。 通过第二传送辊将负载放置在传动齿轮上。 传动齿轮沿与正向旋转相反的方向旋转。 第二行星齿轮由于旋转而使第一行星齿轮沿着使第一行星齿轮与变速齿轮分离的方向施加力。
    • 6. 发明申请
    • DATA STORAGE APPARATUS AND DATA ACCESS METHOD
    • 数据存储设备和数据访问方法
    • US20080046646A1
    • 2008-02-21
    • US11687969
    • 2007-03-19
    • Tetsuya TamuraHajime NishimuraTakeshi SasaKazuya Suzuki
    • Tetsuya TamuraHajime NishimuraTakeshi SasaKazuya Suzuki
    • G06F12/00
    • G06F3/0644G06F3/0608G06F3/0679
    • A data storage apparatus is provided. The data storage apparatus includes: a storage unit managed using a logical block address; a memory; a storage control unit for storing in the storage unit a free area control table transmitted from the host apparatus in which information on a free area in the storage unit is stored; an expanding unit for reading the free area control table in the storage unit and expanding it in the memory; a recording unit for recording data transmitted from the host apparatus into a free area in the storage unit on the basis of the free area control table in the memory; an updating unit for updating the free area control table in the memory after the data recording unit has completed a recording operation; and a transmission unit for transmitting to the host apparatus updated information included in the free area control table which has been updated by the updating unit.
    • 提供数据存储装置。 数据存储装置包括:使用逻辑块地址管理的存储单元; 记忆 存储控制单元,用于在存储单元中存储从其中存储有关于存储单元中的空闲区域的信息的主机设备发送的空闲区域控制表; 扩展单元,用于读取存储单元中的空闲区域控制表并将其扩展到存储器中; 记录单元,用于根据存储器中的空闲区域控制表将从主机设备发送的数据记录到存储单元中的空闲区域中; 更新单元,用于在数据记录单元完成记录操作之后更新存储器中的空闲区域控制表; 以及发送单元,用于向所述主机发送包括在由所述更新单元更新的所述空闲区域控制表中的更新信息。
    • 7. 发明申请
    • COMPOSITE TYPE RECORDING APPARATUS, DATA WRITING METHOD AND DATA WRITING PROGRAM
    • 复合类型记录装置,数据写入方法和数据写入程序
    • US20070050583A1
    • 2007-03-01
    • US11459107
    • 2006-07-21
    • Hajime NishimuraTakeshi SasaTetsuya TamuraKazuya Suzuki
    • Hajime NishimuraTakeshi SasaTetsuya TamuraKazuya Suzuki
    • G06F12/14G06F12/00
    • G06F3/0643G06F3/0626G06F3/068
    • There is provided a composite type recording apparatus restricting write operations depending on the type of a connected host apparatus, including a recording medium having a first data region, a non-volatile storage medium having a second data region and an identification information table for integrating and managing the first and second data region, an information selection section for selecting positional information having predetermined identification information from the identification information table according to the type of the host apparatus, a conversion section for converting positional information selected by the information selection section into positional information matching the first data region or positional information matching the second data region, a first write section for writing data supplied from the host apparatus in the first data region according to conversion process of the conversion section and a second write section for writing data supplied from the host apparatus in the second data region.
    • 提供一种复合型记录装置,其根据所连接的主机装置的类型限制写入操作,包括具有第一数据区域的记录介质,具有第二数据区域的非易失性存储介质和用于集成的识别信息表, 管理第一和第二数据区域的信息选择部分,用于根据主机设备的类型从识别信息表中选择具有预定标识信息的位置信息的信息选择部分,用于将由信息选择部分选择的位置信息转换成位置信息的转换部分 匹配第一数据区域或与第二数据区域匹配的位置信息,第一写入部分,用于根据转换部分的转换处理将从主机设备提供的数据写入第一数据区域;以及第二写部分,用于写入从 主机设备在第二数据区域中。
    • 9. 发明授权
    • Apparatus and method to compute in Jacobian of hyperelliptic curve defined over Galois field of characteristic 2
    • 在特征2的伽罗瓦域定义的超椭圆曲线的雅可比计算装置和方法
    • US07003537B1
    • 2006-02-21
    • US09481847
    • 2000-01-14
    • Tetsuya Tamura
    • Tetsuya Tamura
    • G06F7/00
    • G06F7/724
    • To implement an operation in Jacobian with improved computation complexity, the sum is computed of a divisor D1=g.c.d. (a1(x),y−b1(x)) and a divisor D2=g.c.d. (a2(x),y−b2(x)) on Jacobian of a hyperelliptic curve y2+y=f(x) defined over GF(2n) by: storing a1(x), a2(x), b1(x) and b2(x); and calculating q(x)=s1(b1(x)+b2(x)) mod a2(x) by using s1(x) in s1(x)a1(x)+s2(x)a2(x)=1 in case of GCD(a1(x),a2(x))=1 where GCD denotes a greatest common polynomial. Thus, a new function q(x) is provided so as to reduce the entire computational complexity and the hardware size. Moreover, in the case of D1=D2, a1(x) and b1(x) is stored; and q(x)=Q(b12(x)+f(x) mod a12(x), a1(x)) where Q(A,B) is a quotient of A/B is calculated.
    • 为了在Jacobian中实现具有改进的计算复杂度的操作,求和除数D <1> = g.c.d。 (x),y​​-b 1(x))和除数D 2 N = g.c.d。 (x),y​​b 2(x))对于超椭圆曲线y 2 2 + y = f(x)的雅可比 通过以下方式:通过以下方式存储GF(2):存储第一个(x),第二个(x),第二个1 / (x)和b <2(x); 并且计算q(x)= s 1(b 1(x)+ b 2(x))mod a < (x)中的第一个(x),(x)中的第一个(x) 在GCD(a <1> 1(x)),(2)(2)的情况下,2(x)a <2>(x)= 1 x))= 1其中GCD表示最大的公共多项式。 因此,提供了新的函数q(x),以便减少整个计算复杂度和硬件尺寸。 此外,在D 1> D 2 2的情况下,第1(1)(x)和(b)(x(x) )存储; 并且q(x)= Q(b&lt; 2&gt; 2(x)+ f(x)mod 1&lt; 2&gt; 其中Q(A,B)是A / B的商,其中,(x),a(1)(x)
    • 10. 发明申请
    • Disk apparatus
    • 磁盘设备
    • US20050010938A1
    • 2005-01-13
    • US10854644
    • 2004-05-27
    • Tetsuya Tamura
    • Tetsuya Tamura
    • G11B17/04
    • G11B17/056
    • An opposed interval between a pair of fore position regulating pieces forming a guide mechanism of the disk tray is made wider than the mutual interval between guide ways. The projecting width of the fore position regulating pieces is longer, its opposed interval being closer to the mutual interval between the guide ways. A front end portion of guide way is formed as an run-off guide way, the run-off guide way and the guide way being continuous on a nominal guide way. The open angle of the nominal guide way is decided in a range from 110° to 135°.
    • 形成盘托架的引导机构的一对前位置调节片之间的相对间隔被制成比引导路之间相互间隔更宽。 前置位置调节片的突出宽度较长,其相对间隔更接近于导向路之间的相互间隔。 引导方式的前端部形成为径向引导方式,径向引导方式和引导方式在标称引导方式上连续。 标称引导方式的开启角在110°〜135°的范围内决定。