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    • 1. 发明授权
    • High-speed machining controller
    • 高速加工控制器
    • US4709198A
    • 1987-11-24
    • US868041
    • 1986-05-29
    • Kazutaka OgoMasahiro HayashiTakatoshi SuzukiKatsuiku HokaoAkio AsaiTakayuki Tsuruhashi
    • Kazutaka OgoMasahiro HayashiTakatoshi SuzukiKatsuiku HokaoAkio AsaiTakayuki Tsuruhashi
    • B23Q17/09B23Q15/12G05B19/4065G05B19/24
    • G05B19/4065G05B2219/37351
    • A high speed machining controller comprises an acoustic emission sensor which is installed in or near a machine for machining a work piece in a high speed and which detects acoustic emission generated during machining a work piece; a signal processing means which is composed of a band-pass filter for passing an element of a frequency band corresponding to the acoustic emission by inputting a signal outputted from the acoustic emission sensor, a rectification circuit for rectifying a signal outputted from said band-pass filter, a peak detection circuit for detecting peak values of the signal outputted from the rectification circuit, and a smoothing circuit for smoothing output signals of said peak detection circuit and for outputting a signal corresponding to the amplitude of the acoustic emission for the purpose of processing the output signal of the acoustic emission sensor to detect its amplitude; a cutting condition discrimination means for judging the cutting condition of a work piece by comparing a detected amplitude of the acoustic emission with a predetermined discrimination value for discriminating the cutting condition of said work piece; and a control means to instruct and control the machining condition including at least the feed speed of a machine tool on the basis of the cutting condition of the work piece.
    • 高速加工控制器包括安装在机器中或机器附近的声发射传感器,用于高速加工工件并检测在加工工件期间产生的声发射; 一个信号处理装置,它由带通滤波器组成,该带通滤波器用于通过输入从声发射传感器输出的信号通过与声发射相对应的频带的元素;整流电路,用于整流从所述带通输出的信号 滤波器,用于检测从整流电路输出的信号的峰值的峰值检测电路,以及平滑电路,用于平滑所述峰值检测电路的输出信号,并输出与用于处理的声发射的幅度对应的信号 声发射传感器的输出信号检测其幅度; 切割条件判别装置,用于通过将检测到的声发射的振幅与用于识别所述工件的切割条件的预定鉴别值进行比较来判断工件的切割状态; 以及控制装置,用于基于工件的切割条件指导和控制至少包括机床的进给速度的加工条件。
    • 4. 发明授权
    • Ferrule for optical fiber connector
    • 光纤连接器套圈
    • US5781674A
    • 1998-07-14
    • US363837
    • 1994-12-27
    • Akio Asai
    • Akio Asai
    • G02B6/36G02B6/38
    • G02B6/3837G02B6/3854
    • A ferrule for an optical fiber connector, through which an end of an optical fiber to be connected is inserted to fix the optical fiber thereto, is disclosed. In the ferrule, a boundary part between an optical fiber-inserting hole and an optical fiber-inserting opening is formed into a continuously curved surface. The surface defining the optical fiber-inserting hole is an unabraded surface formed of a material as calcined, whereby a slightly irregular grain boundary surface composed of particles 0 the material is formed at such a surface.
    • 公开了一种用于光纤连接器的套圈,通过该套圈将待连接的光纤的一端插入以将光纤固定到其上。 在套圈中,光纤插入孔和光纤插入口之间的边界部分形成为连续弯曲的表面。 限定光纤插入孔的表面是由煅烧材料形成的未经表面的表面,由此在该表面上形成由颗粒0形成的略微不规则的晶界表面。
    • 6. 发明授权
    • Communication control method and communication control apparatus
    • 通信控制方法和通信控制装置
    • US06603747B2
    • 2003-08-05
    • US09190204
    • 1998-11-13
    • Akio Asai
    • Akio Asai
    • H04J316
    • H04B7/18523H04B7/212
    • A priority corresponding to the emergency level of a communication in each slave station is allocated to a time slot assignment request transmitted from each slave station to master station. When master station receives the time slot assignment request to which the priority is set, the priority of the time slot assignment request is judges in slot assignment controller. When there is not any vacant time slot having the priority judged and at the same time there is a vacant time slot whose priority is lower than the priority concerned, the time slot whose priority is lower than the priority concerned is allocated to the time slot assignment request, whereby the assignment waiting time until data having a high emergency level are transmitted can be shortened.
    • 对应于每个从站中的通信的紧急级别的优先级被分配给从每个从站发送到主站的时隙分配请求。 当主站接收到设置优先级的时隙分配请求时,时隙分配请求的优先级在时隙分配控制器中进行判断。 当没有空闲的时隙具有优先级,并且同时存在优先级低于优先级的空闲时隙时,优先级低于所关注优先级的时隙被分配给时隙分配 可以缩短发送具有高应急等级的数据之间的分配等待时间。
    • 7. 发明授权
    • Apparatus for controlling dynamic characteristics of press load
    • 用于控制压力载荷动态特性的装置
    • US4599887A
    • 1986-07-15
    • US758125
    • 1985-07-23
    • Akio AsaiYukito AndoKazunari Kirii
    • Akio AsaiYukito AndoKazunari Kirii
    • B21D24/14B21J9/18
    • B21D24/14
    • An apparatus, for controlling dynamic characteristics of a press load, facilitates changing the balance between a hydraulic pressure and a pneumatic pressure in a hydroblank holder, wherein a first pneumatic device which supplies a standard pneumatic pressure with which a predetermined dynamic load can be obtained and a second pneumatic device which supplies a pneumatic pressure higher or lower than the standard pneumatic pressure are provided in parallel in a pneumatic device which supplies pneumatic pressure to the hydroblank holder and the first and second pneumatic devices are switched in accordance with a press stroke and, when the switching is made to low pressure, an accumulator is depressurized by the operation of a depressurizing device.
    • 一种用于控制压力负载的动态特性的装置,有助于改变液压支架中的液压和气动压力之间的平衡,其中提供可获得预定动态载荷的标准气压的第一气动装置和 提供高于或低于标准气压的气动压力的第二气动装置并联设置在气动装置中,该气动装置向液压支架提供气动压力,并且第一和第二气动装置根据压力冲程切换, 当切换为低压时,通过减压装置的操作使蓄能器减压。
    • 8. 发明授权
    • Satellite communication system and routing method using the same
    • 卫星通信系统和路由方法使用相同
    • US07006462B2
    • 2006-02-28
    • US09983666
    • 2001-10-25
    • Akio Asai
    • Akio Asai
    • H04B7/185H04B7/204H04Q7/20
    • H04L45/00H04B7/18584H04L45/54H04W40/246
    • In a satellite communication system, an address adding portion 22 adds communication data with Next Hop address read out from a routing table portion 21. A line controller 31 judges whether a satellite communication line to the Next Hop address of the IP packet is set or not. If no satellite communication line is set, a call-originating request message is transmitted to a DAMA call-originating table portion 32. The DAMA call-originating table portion 32 has static DAMA call-originating information, and transmits to a DAMA call-originating portion 33 a DAMA call-originating request to the destination IP address of the call-originating request message. The DAMA call-originating portion 33 sets the satellite communication line to the Next Hop address by the DAMA call-originating request, and informs the line controller 31 of the setting of the satellite communication line.
    • 在卫星通信系统中,地址添加部分22将通信数据与从路由表部分21读出的下一跳地址相加。 线控制器31判断是否设置了IP分组的下一跳地址的卫星通信线路。 如果没有设置卫星通信线路,则向DAMA呼叫发起表部分32发送呼叫发起请求消息。 DAMA呼叫发起表部分32具有静态DAMA呼叫始发信息,并且向DAMA呼叫发起部分33发送对呼叫发起请求消息的目的地IP地址的DAMA呼叫发起请求。 DAMA呼叫发起部分33通过DAMA呼叫发起请求将卫星通信线路设置到下一跳地址,并且通知线路控制器31卫星通信线路的设置。