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    • 53. 发明授权
    • Image forming apparatus capable of making self-diagnosis
    • 能够进行自我诊断的图像形成装置
    • US5317368A
    • 1994-05-31
    • US34398
    • 1993-03-19
    • Yoshiki ShimomuraSadao TanigawaYasushi UmedaTetsuo TomiyamaHiroyuki Yoshikawa
    • Yoshiki ShimomuraSadao TanigawaYasushi UmedaTetsuo TomiyamaHiroyuki Yoshikawa
    • B41J29/46G03G15/00G03G21/00G05B13/02G06F9/44G06F11/25
    • G06F11/2257G03G15/55Y10S706/904Y10S706/912
    • According to the present invention, a self-diagnosis system for an image forming apparatus can make accurate fault diagnosis and is made smaller in size and higher in speed. For that purpose, a fault temporarily developed by the image forming apparatus is limited to a single fault assumption, all states which can exist on the image forming apparatus when the image forming apparatus develops the fault are previously simulated, and the results of the qualitative simulation are stored as a plurality of virtual cases in a virtual case storing portion 12. When the image forming apparatus is operated, detected values of sensors X, Vs and Ds are converted into fuzzy qualitative values, respectively, on the basis of membership functions stored in a membership function generating portion 13. The fuzzy qualitative values are compared with the virtual cases stored in the virtual case storing portion 12, to reason the cause of the fault. Accordingly, any of the virtual cases stored in the virtual case storing portion 12 is selected using the fuzzy qualitative values, thereby to make it possible to accurately specify the fault in a short time.
    • 根据本发明,用于图像形成装置的自诊断系统可以进行准确的故障诊断,并使其尺寸更小并且速度更高。 为此,由图像形成装置临时显影的故障被限制为单个故障假设,预先模拟图像形成装置发生故障时可能存在于图像形成装置上的所有状态,并且定性模拟的结果 被存储在虚拟案例存储部分12中的多个虚拟案例中。当操作图像形成装置时,传感器X,Vs和Ds的检测值分别根据存储在 隶属函数产生部分13.将模糊定性值与存储在虚拟案例存储部分12中的虚拟案例进行比较,以说明故障的原因。 因此,使用模糊定性值来选择存储在虚拟案例存储部分12中的任何虚拟案例,从而可以在短时间内精确地指定故障。
    • 56. 发明授权
    • Radio transmitting/receiving circuit, wireless communication apparatus, and radio transmitting/receiving method
    • 无线电发射/接收电路,无线通信装置和无线电发射/接收方法
    • US08594160B2
    • 2013-11-26
    • US13262063
    • 2010-03-26
    • Hiroyuki Yoshikawa
    • Hiroyuki Yoshikawa
    • H04B1/44
    • H04W52/029H04W52/0203H04W52/0251H04W72/12H04W88/06Y02D70/1242Y02D70/1262Y02D70/142Y02D70/144
    • A radio transmitting/receiving circuit, a wireless communication apparatus and a radio transmitting/receiving method, wherein low power consumption can be achieved without complicating software. In a control unit of the radio transmitting/receiving circuit, according to a communication system applied to a radio transmitting/receiving unit, a clock control unit selects a clock frequency; a program decoder adjusts information included in a transmission/reception program and related to the execution timing of the transmission/reception program for the radio transmitting/receiving unit; and a timing control unit controls the execution timing on the basis of the adjusted information related to the execution timing. The information related to the execution timing includes a bit sequence indicating an ON/OFF timing for the radio transmitting/receiving unit in accordance with a first communication system, and the program decoder bit-shifts the bit sequence if a second communication system is applied to the radio transmitting/receiving unit.
    • 无线电发射/接收电路,无线通信装置和无线电发射/接收方法,其中可以实现低功耗而不使软件复杂化。 在无线电发射/接收电路的控制单元中,根据应用于无线电发射/接收单元的通信系统,时钟控制单元选择时钟频率; 程序解码器调整包含在发送/接收程序中并与无线电发送/接收单元的发送/接收程序的执行定时有关的信息; 并且定时控制单元基于与执行定时相关的经调整的信息来控制执行定时。 与执行定时相关的信息包括指示根据第一通信系统的无线电发送/接收单元的开/关定时的比特序列,并且如果应用第二通信系统,则程序解码器对比特序列进行比特移位 无线电发射/接收单元。
    • 57. 发明授权
    • Mount damper and image forming apparatus using the mount damper
    • 使用安装阻尼器安装阻尼器和图像形成装置
    • US08496097B2
    • 2013-07-30
    • US12419386
    • 2009-04-07
    • Teruhiko FujikuraMunehiro NatsumeMutsuto OeYuji KobayashiHiroyuki YoshikawaKatsuyuki Ikuta
    • Teruhiko FujikuraMunehiro NatsumeMutsuto OeYuji KobayashiHiroyuki YoshikawaKatsuyuki Ikuta
    • F16M13/00
    • F16F1/3605F16F1/44F16F2224/0283G03G15/6511G03G15/757G03G2215/0067
    • A mount damper comprises electrode plates placed on a motor side and a support body side respectively, a control unit for adjusting voltage between the electrode plates, and an electrostrictive polymer member for changing a distance between the electrode plates by the voltage therebetween. The electrostrictive polymer member is also an elastic body sandwiched between the electrode plates and has a hardness changeable with a change in the interelectrode distance. A motor is mounted through this mount damper. The control unit adjusts voltage applied between the electrode plates to a value different from a value causing resonance of the motor and the electrostrictive polymer member, thereby absorbing vibration of the motor during rotation thereof, irrespective of a rotation speed. Thus, the mount damper and the image forming apparatus using it can reliably prevent resonance and absorb vibration constantly even if a device selectively uses plural levels of the rotation speed.
    • 安装阻尼器包括分别设置在电动机侧和支撑体侧的电极板,用于调节电极板之间的电压的控制单元和用于通过它们之间的电压改变电极板之间的距离的电致伸缩聚合物构件。 电致伸缩聚合物构件也是夹在电极板之间的弹性体,并且具有随电极间距离的变化而变化的硬度。 电机通过该安装阻尼器安装。 控制单元将施加在电极板之间的电压调整到与引起电动机和电致伸缩聚合物构件的共振的值不同的值,从而在旋转期间吸收电动机的振动,而与转速无关。 因此,即使设备选择性地使用多个等级的转速,安装阻尼器和使用它的图像形成装置也可以可靠地防止共振并且恒定地吸收振动。