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    • 4. 发明授权
    • Image synthesizing device and method
    • 图像合成装置及方法
    • US06292593B1
    • 2001-09-18
    • US09269031
    • 1999-03-18
    • Kazuyuki NakoMitsuaki NakamuraMasashi HirosawaHiroshi AkagiYoshihiro Kitamura
    • Kazuyuki NakoMitsuaki NakamuraMasashi HirosawaHiroshi AkagiYoshihiro Kitamura
    • G06K936
    • G06T5/006G06T7/30H04N1/3876
    • A one-dimensional image synthesizing unit 3 images an subject, and produces a plurality of image-to-be-combined signals expressing images-to-be-combined having overlapped regions. A central processing unit 5 first obtains matching of images of the subject for each of adjacent images-to-be-combined for all image-to-be-combined signals by center and large block matching processes, and detects the deviations of overlapped regions from the obtained matching. Next, in a small block matching process, on the basis of the deviations of the overlapped regions, a plurality of reference blocks and search regions are made to correspond to each other and are set in the respective overlapped regions, and the deviations of the images of the subject are detected in a unit of each search region in more detail than the deviations detected by the large block matching process. Finally, each of the images-to-be-combined is partially geometrically deformed so as to cancel the deviation of the image of the subject, the reference block and the search block are made coincident with each other, and all image-to-be-combined signals are combined to superimpose the respective images-to-be-combined, so that combined image signals are obtained.
    • 一维图像合成单元3对被摄体进行成像,并且生成表示具有重叠区域的待组合图像的多个图像组合信号。 中央处理单元5通过中心和大块匹配处理首先获得与待组合的所有图像信号相对应的每个相邻图像的对象的图像的匹配,并且检测重叠区域的偏差 获得匹配。 接下来,在小块匹配处理中,基于重叠区域的偏差,使多个参考块和搜索区域彼此对应并设置在各个重叠区域中,并且图像的偏差 以与大块匹配处理检测到的偏差更详细地检测每个搜索区域的单位。 最后,要组合的每个图像被部分地几何变形,以便消除被摄体的图像的偏差,使得参考块和搜索块彼此一致,并且所有图像将被 组合的信号被组合以叠加要组合的各个图像,从而获得组合的图像信号。
    • 5. 发明授权
    • Work vehicle with hydrostatic steering system
    • 具有静液压转向系统的工作车辆
    • US07246670B2
    • 2007-07-24
    • US11040594
    • 2005-01-21
    • Kazuhiko HayashiMitsuaki Nakamura
    • Kazuhiko HayashiMitsuaki Nakamura
    • B62D6/08
    • F16H61/468B62D5/07B62D11/183E02F9/2235E02F9/225E02F9/2253E02F9/2296F16H61/431F16H61/433F16H2059/467
    • A work vehicle with a hydrostatic steering system is disclosed which is capable of performing optimum control of the absorption torque of a hydraulic pump according to running load; capable of preferentially ensuring turning performance and implement speed when running load is relatively low; and capable of ensuring desired turning performance even when running load is relatively high. To this end, a bulldozer with a hydrostatic steering system, wherein the power of a hydraulic motor driven by pressure oil fed from a hydraulic pump operated by an engine is transmitted to right and left crawler tracks through a differential steering means composed of planetary gear trains etc., is designed to control the absorption torque of the hydraulic pump according to the speed ratio of a torque converter calculated by a speed ratio operation unit.
    • 公开了一种具有静液压转向系统的工作车辆,其能够根据运行载荷对液压泵的吸收转矩进行最佳控制; 能够优先确保转向性能,运行负载时执行转速相对较低; 并且即使当运行负载相对较高时也能够确保期望的转向性能。 为此,具有静液压转向系统的推土机,其中由从由发动机操作的液压泵供给的压力油驱动的液压马达的动力通过由行星齿轮系组成的差速转向装置传递到左右履带履带 被设计成根据由变速比运算单元计算的变矩器的转速比来控制液压泵的吸收转矩。
    • 8. 发明授权
    • Hydraulic circuit for four-position closed-center selector valve
controlled by pressure proportional control valve
    • 用于压力比例控制阀控制的四位闭式中心选择阀液压回路
    • US5353686A
    • 1994-10-11
    • US067785
    • 1993-05-25
    • Mitsuaki Nakamura
    • Mitsuaki Nakamura
    • E02F9/22E02F9/20F15B11/00F15B11/05F15B11/08F15B11/16F15B13/042F15B13/10F15B13/06
    • E02F9/2004F15B13/0422Y10T137/86582Y10T137/87072
    • A hydraulic circuit, having a four-position closed-center valve (6) controlled by a proportional control valve (22), can facilitate the vertical position control and operating speed control of a blade with a simple structure, while providing that the floating condition of the blade can be precisely recognized by the position of a control lever (20a). The spool (41) of the four-position selector valve (6) has a "hold" position which is given by the closed-center position. Opposite ends of the spool (41) receive a pilot pressure from the pressure proportional control valve (22), one position being obtained by applying pilot pressure to a first end of the spool (41), and two positions being obtained by applying pilot pressure to the second end of the spool (41). One of the latter two positions is a "floating" position, while the other two positions are the "up" position and the "down" position. The control lever (20a) for the pressure proportional control valve (22) can have a detent device for fixing the control lever at the "floating" position.
    • 具有由比例控制阀(22)控制的四位置中心阀(6)的液压回路可以以简单的结构促进叶片的垂直位置控制和操作速度控制,同时提供浮动状态 可以通过控制杆(20a)的位置精确地识别刀片。 四位选择阀(6)的阀芯(41)具有由闭合中心位置给出的“保持”位置。 阀芯(41)的相对端接受来自压力比例控制阀(22)的先导压力,通过向阀芯(41)的第一端施加先导压力而获得一个位置,并且通过施加先导压力 到所述线轴(41)的第二端。 后两个位置之一是“浮动”位置,而另外两个位置是“向上”位置和“向下”位置。 用于压力比例控制阀(22)的控制杆(20a)可以具有用于将控制杆固定在“浮动”位置的制动装置。
    • 9. 发明授权
    • Network terminal, network system, method of controlling network terminal, and program
    • 网络终端,网络系统,网络终端控制方法和程序
    • US07502381B2
    • 2009-03-10
    • US10814144
    • 2004-04-01
    • Mitsuaki Nakamura
    • Mitsuaki Nakamura
    • H04L12/54H04B7/212H04L12/403H04J3/00H04J3/06
    • H04J3/0641H04B7/2678H04J3/0652H04W56/00H04W84/20
    • A network terminal of the present invention includes: a synchronization information frame receiving section for receiving a synchronization information frame from a master terminal; a network information managing section for maintaining the network by being synchronized with the synchronization information frame; a synchronization information frame missing detection section for detecting the missing of the synchronization information frame from the master terminal; a priority list storing section for storing a priority list which defines a synchronization information frame transmission start time in such a manner as to differentiate synchronization information frame transmission start times between the network terminals; and a synchronization information frame transmission section for, in a case where the network terminal acts as a new master terminal of the network system, periodically outputting a synchronization information frame, from the synchronization information frame transmission start time in accordance with the priority list, synchronization information frame transmitting section starting to output the synchronization information frame after the missing of the synchronization information frame is detected.
    • 本发明的网络终端包括:同步信息帧接收单元,用于从主终端接收同步信息帧; 网络信息管理部分,用于通过与所述同步信息帧同步来维护所述网络; 用于从所述主终端检测所述同步信息帧的丢失的同步信息帧缺失检测部分; 优先级列表存储部分,用于存储定义同步信息帧发送开始时间的优先级列表,以便区分网络终端之间的同步信息帧发送开始时间; 以及同步信息帧发送部,用于在网络终端作为网络系统的新的主终端的情况下,根据优先级列表从同步信息帧发送开始时间周期性地输出同步信息帧,同步 在检测到同步信息帧的缺失之后开始输出同步信息帧的信息帧发送部。