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    • 8. 发明授权
    • Control device for hydraulic drive machine
    • 液压驱动机控制装置
    • US06438953B1
    • 2002-08-27
    • US09691229
    • 2000-10-19
    • Seiji Kamada
    • Seiji Kamada
    • F15B11042
    • F15B11/163B60R16/0315B60R2016/0322F15B11/166F15B21/087F15B2211/20546F15B2211/20553F15B2211/3111F15B2211/327F15B2211/6309F15B2211/6313F15B2211/633F15B2211/6346F15B2211/665F15B2211/6651F15B2211/6652F15B2211/6654F15B2211/67F15B2211/7053F15B2211/71F15B2211/75F15B2211/78
    • A first object of the present invention is to make do with a simple hydraulic circuit, which does not utilize a pressure compensation valve, and to enable the use of an inexpensive, low-precision pressure detector, to enable the maintenance of continuous control at all times using simple controls, and to get by without shocking the operator or the mechanical parts, and to cancel the load dependency of a hydraulic actuator flow during combined operation without limiting the control system of the hydraulic pump. In a device according to the present invention, a correction factor for correcting a control input of a operating member corresponding to a pertinent operating valve is calculated for each operating member on the basis of a ratio between a detected differential pressure across an operating valve, and a minimum differential pressure selected from among detected differential pressures across a plurality of operating valves. Then, a control input of a corresponding operating member is corrected using this calculated correction factor. Further, a second object of the present invention is to enhance work efficiency by enabling changing of pressure compensation characteristics of a hydraulic actuator in accordance with a operating lever operating state and load pressure. In a device according to the present invention, an upper limit value or lower limit value of a correction factor is set for each operating member in accordance with control input of the operating member, and this correction factor is used to correct the control input of a corresponding operating member so that a correction factor obtained in accordance with a detected differential pressure does not exceed the above-mentioned set upper limit value or lower limit value.
    • 本发明的第一个目的是为了利用不使用压力补偿阀的简单的液压回路,并且能够使用便宜的低精度压力检测器,以使得能够完全维持连续的控制 使用简单的控制,并且不会使操作者或机械部件受到震动,并且在组合操作期间取消液压致动器流的负载依赖性,而不限制液压泵的控制系统。 在根据本发明的装置中,针对每个操作构件,基于检测到的操作阀的差压和与检测到的操作阀的差压之间的比率来计算用于校正与相关操作阀相对应的操作构件的控制输入的校正因子,以及 从跨越多个操作阀的检测到的差压中选择的最小压差。 然后,使用该计算出的校正因子校正对应的操作构件的控制输入。 此外,本发明的第二个目的是通过根据操作杆操作状态和负载压力改变液压致动器的压力补偿特性来提高工作效率。 在根据本发明的装置中,根据操作构件的控制输入,为每个操作构件设定校正系数的上限值或下限值,并且该校正系数用于校正操作构件的控制输入 使得根据检测到的差压获得的校正因子不超过上述设定的上限值或下限值。
    • 10. 发明授权
    • Device for presenting information to mobile
    • 向移动设备显示信息的设备
    • US07149530B1
    • 2006-12-12
    • US09936712
    • 2000-03-17
    • Shuji ArakawaSeiichi MizuiSeiji KamadaYoshio AsayamaNoriaki Abe
    • Shuji ArakawaSeiichi MizuiSeiji KamadaYoshio AsayamaNoriaki Abe
    • H04Q7/20
    • G08G1/20G08C17/02G08G1/017G08G1/127H04M11/002H04Q9/00
    • A device for presenting information on a mobile includes mobiles and terminals interconnected intercommunicably through communication means, wherein a terminal transmits, to the mobile concerned, mobile identification data on a mobile to which a request for mobile information is to be made, request content identification data representing the contents of mobile information to be requested, and terminal identification data on the terminal being the presentee to which the requested contents is to be presented. The mobile acquires mobile information requested by the terminal and sends it to the terminal being the presentee. The stored contents in storage means is updated each time operation of input for requesting information from a mobile is made through the terminal and the mobile acquires new mobile information. The updated stored contents is transmitted to the terminal being the requester when the terminal requests the updated stored contents.
    • 用于在移动台上呈现信息的装置包括通过通信装置互相通信互连的移动台和终端,其中,终端向移动台发送要对其进行移动信息请求的移动台上的移动标识数据,请求内容识别数据 表示要请求的移动信息的内容,以及作为要呈现所请求的内容的呈现方的终端的终端识别数据。 移动台获取由终端请求的移动信息,并将其发送到作为呈现者的终端。 每次通过终端进行从移动台请求信息的输入的操作时,更新存储装置中的存储内容,移动台获取新的移动信息。 当终端请求更新的存储内容时,更新的存储内容被发送到作为请求者的终端。