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    • 21. 发明申请
    • INFORMATION PROCESSING SYSTEM, COMMUNICATION TERMINAL, INFORMATION PROCESSING UNIT AND PROGRAM
    • 信息处理系统,通信终端,信息处理单元和程序
    • US20090253417A1
    • 2009-10-08
    • US12412067
    • 2009-03-26
    • Isao SomaNaoki MiyabayashiYoshihiro YonedaSeiji KurodaYasuharu IshikawaKazuo Takada
    • Isao SomaNaoki MiyabayashiYoshihiro YonedaSeiji KurodaYasuharu IshikawaKazuo Takada
    • H04W4/00
    • H04W88/04G06Q30/02H04W4/80H04W76/14H04W76/30
    • There is provided an information processing system including a service provider unit, a communication terminal and an information processing unit. The communication terminal includes a terminal first communication section, a terminal second communication section to communicate with the information processing unit through a first communication channel, a terminal third communication section to communicate with the information processing unit through a second communication channel, and a terminal communication control section. The information processing unit includes a unit first communication section to communicate with the communication terminal through the first communication channel, a unit second communication section to communicate with the communication terminal through the second communication channel, a unit communication control section to switch communication channels with the communication terminal from the first communication channel to the second communication channel, and a unit processing section to perform service processing with the service provider unit.
    • 提供了一种包括服务提供商单元,通信终端和信息处理单元的信息处理系统。 通信终端包括终端第一通信部,通过第一通信信道与信息处理部通信的终端第二通信部,通过第二通信信道与信息处理部通信的终端第三通信部,以及终端通信 控制部分。 信息处理单元包括通过第一通信信道与通信终端进行通信的单元第一通信部,通过第二通信信道与通信终端通信的单位第二通信部,与通信终端通过第二通信信道进行通信的单元通信控制部, 通信终端从第一通信信道到第二通信信道,以及单元处理部,用于与服务提供者单元进行服务处理。
    • 29. 发明授权
    • Method of detecting state of synchronization loss in stepping motor
    • 检测步进电机同步损耗状态的方法
    • US08174223B2
    • 2012-05-08
    • US12382853
    • 2009-03-25
    • Kazuo TakadaTakayuki MatsuiHaruka Miyaji
    • Kazuo TakadaTakayuki MatsuiHaruka Miyaji
    • H02P6/18H02P8/00
    • H02P8/38H02P8/32H02P8/34H02P8/36
    • In a method of detecting synchronization loss in a stepping motor, a means for applying either control current or control voltage to a coil of each phase to thereby drive a stepping motor and a means for individually measuring a back EMF voltage induced at the coil of each phase are employed, wherein application of either the control current or the control voltage at the coil of each phase is halted by turns phase by phase for such a short time period as not to affect rotation of a rotor of the stepping motor at a predetermined timing within one step period of the rotor, the back EMF voltage at the coil is measured during the short time period, and the stepping motor is judged to lose synchronization when the measurement result of the back EMF voltage at the coil of at least one phase satisfies a detection criterion.
    • 在检测步进电动机的同步损耗的方法中,将控制电流或控制电压施加到各相的线圈的装置,从而驱动步进电动机,以及用于分别测量在每个线圈的线圈处感应的反电动势电压的装置 相位,其中在每个相的线圈处施加控制电流或控制电压在这样短的时间周期内相位停止,以不影响步进电动机的转子在预定定时的旋转 在转子的一个阶段期间,在短时间段期间测量线圈的反电动势电压,并且当至少一相线圈的反电动势电压的测量结果满足时,判断步进电机失去同步 检测标准。