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    • 11. 发明授权
    • Terminal identification method, authentication method, authentication system, server, terminal, wireless base station, program, and recording medium
    • 终端识别方法,认证方式,认证系统,服务器,终端,无线基站,程序和记录介质
    • US08848912B2
    • 2014-09-30
    • US11885518
    • 2006-12-19
    • Koichi TakasugiKoki MitaniHiroshi Saito
    • Koichi TakasugiKoki MitaniHiroshi Saito
    • H04N1/327H04W12/06H04L9/32H04L29/06
    • H04L63/0869H04L9/3236H04L9/3273H04L2209/805H04W12/02H04W12/06
    • A terminal identification method is provided which enables two-way communications between terminals and a network while identifying terminal IDs and protecting privacy. Also, authentication method and system are provided which require no complicated calculating process, less steps and smaller amount for wireless communications, and less power consumption. A server and terminal share a hash function and an initial value determined for each terminal, calculate the same temporary ID by hashing the initial value the same number of times with the hash function, and identify the terminal using the calculated temporary ID. The server and the terminal also hold a common hash function and authentication information, acquire an authenticating communication parameter from communication parameters temporarily common during communication, and generate an authentication key using the authentication information, the authenticating communication parameter, and the hash function. Then at least one of the server and terminal performs authentication using the generated authentication key.
    • 提供一种终端识别方法,其能够在识别终端ID并保护隐私的同时实现终端与网络之间的双向通信。 此外,提供了不需要复杂的计算处理,较少的步骤和更少的无线通信量以及更少的功耗的认证方法和系统。 服务器和终端共享哈希函数和为每个终端确定的初始值,通过使用散列函数对初始值进行相同次数的散列来计算相同的临时ID,并使用计算的临时ID识别终端。 服务器和终端还具有通用散列函数和认证信息,从通信中临时通用的通信参数获取认证通信参数,并使用认证信息,认证通信参数和散列函数生成认证密钥。 然后至少一个服务器和终端使用生成的认证密钥进行认证。
    • 12. 发明授权
    • Sheet conveying device having function of correcting skew of sheet
    • 具有校正歪斜功能的片材输送装置
    • US08764007B2
    • 2014-07-01
    • US13307234
    • 2011-11-30
    • Hiroshi Saito
    • Hiroshi Saito
    • B65H7/02B65H9/00B65H33/04
    • B65H9/002B65H7/08B65H33/04B65H2301/331B65H2511/514B65H2513/104B65H2513/53B65H2553/822B65H2701/11132B65H2701/1311B65H2701/1313B65H2220/01B65H2220/03B65H2220/02
    • A sheet conveying device that makes it possible to perform printing at high speed with high accuracy by easily correcting skew of a sheet, such as an index tab sheet, without requiring troublesome operations. Sheet detection sensors for detecting a sheet and skew correction rollers for conveying the sheet are disposed in a direction crosswise to a conveying direction of the sheet. A skew correction drive controller measures a leading edge detection time between respective detections of a leading edge of the sheet by the sensors, and controls the conveying speeds of the skew correction rollers independently of each other such that a skew represented by the leading edge detection time is corrected. If the leading edge detection time is not smaller than a predetermined threshold value, the skew correction drive controller reduces a skew correction amount for correcting the skew by a predetermined amount.
    • 一种片材输送装置,其可以通过容易地校正诸如索引片状片材的片材的歪斜而高精度地进行打印,而不需要麻烦的操作。 用于检测片材的片材检测传感器和用于传送片材的歪斜校正辊沿与片材的传送方向交叉的方向设置。 偏斜校正驱动控制器通过传感器测量片材的前缘的相应检测之间的前缘检测时间,并且彼此独立地控制歪斜校正辊的传送速度,使得由前缘检测时间 被更正。 如果前沿检测时间不小于预定阈值,则偏斜校正驱动控制器将用于校正偏斜量的偏斜校正量减少预定量。
    • 15. 发明授权
    • Switching circuit and DC-to-DC converter
    • 开关电路和DC-DC转换器
    • US08553378B2
    • 2013-10-08
    • US13421078
    • 2012-03-15
    • Hiroshi SaitoYuichi GotoKei Kasai
    • Hiroshi SaitoYuichi GotoKei Kasai
    • H02H9/08
    • H02M3/1588Y02B70/1466
    • According to one embodiment, a switching circuit includes a high-side switch, a rectifier, and a driver. The high-side switch is connected between a high potential terminal and an output terminal. The rectifier is connected between the output terminal and a low potential terminal, forward direction of the rectifier is a direction from the low potential terminal to the output terminal. The driver is connected between the high potential terminal and the output terminal. The driver switches a high-side switch ON based on a high-side control signal. The driver switches the high-side switch OFF when a first short detector detects shorts of the output terminal with the low potential terminal after a first period longer than a backward recovery time of the rectifier until the high-side control signal changing.
    • 根据一个实施例,开关电路包括高侧开关,整流器和驱动器。 高侧开关连接在高电位端子和输出端子之间。 整流器连接在输出端子和低电位端子之间,整流器的正向是从低电位端子到输出端子的方向。 驱动器连接在高电位端子和输出端子之间。 驱动器根据高端控制信号切换高侧开关。 当第一短路检测器在比整流器的向后恢复时间长的第一周期之后,检测到具有低电位端子的输出端子的短路,直到高侧控制信号改变为止,驱动器将高侧开关切换到OFF。
    • 20. 发明申请
    • CELL BALANCE DEVICE AND BATTERY SYSTEM
    • 细胞平衡装置和电池系统
    • US20130049691A1
    • 2013-02-28
    • US13571572
    • 2012-08-10
    • Atsushi SakuraiHiroshi Saito
    • Atsushi SakuraiHiroshi Saito
    • H02J7/00
    • H02J7/0019H02J7/0016H02J7/0026H02J2007/0039
    • Provided are a cell balance device for protecting a switch circuit from an overcurrent flow. The cell balance device includes: a plurality of electric accumulator connection terminals each connected to one of a node and two terminals of electric accumulators connected in series; a voltage hold device connection terminal connected to a voltage hold device; a plurality of first switch circuits provided between the plurality of electric accumulator connection terminals and the voltage hold device; a control circuit for controlling ON/OFF of the plurality of first switch circuits based on a synchronization signal; and an overcurrent detection circuit for detecting an overcurrent flowing through each of the plurality of first switch circuits.
    • 提供了用于保护开关电路免受过电流的电池平衡装置。 电池平衡装置包括:多个蓄电池连接端子,每个连接到串联连接的蓄电池的节点和两个端子中的一个; 连接到电压保持装置的电压保持装置连接端子; 设置在所述多个蓄电器连接端子与所述电压保持装置之间的多个第一开关电路; 控制电路,用于基于同步信号控制多个第一开关电路的ON / OFF; 以及过电流检测电路,用于检测流过多个第一开关电路中的每一个的过电流。