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    • 22. 发明授权
    • Wire electric discharge machine with impedance switching
    • 线路放电机具有阻抗切换功能
    • US08093526B2
    • 2012-01-10
    • US12374956
    • 2006-10-24
    • Takashi HashimotoYasuo OnoderaTatsushi SatoKoichiro HattoriHisashi Yamada
    • Takashi HashimotoYasuo OnoderaTatsushi SatoKoichiro HattoriHisashi Yamada
    • B23H7/04B23H1/02
    • B23H7/04B23H1/022B23H7/14B23H2300/20
    • A wire electric discharge machine includes a wire electrode; a machining power supply that supplies a machining current to between the wire electrode and a workpiece. The machine further includes a first power feed contact and a second power feed contact that respectively feed power to the wire electrode; a first machining-current loop in which a first machining current flows from the first power feed contact toward the workpiece; a second machining-current loop in which a second machining current flow from the second power feed contact toward the workpiece; an impedance switching circuit that is provided in at least any one of the first machining-current loop and the second machining-current loop; and a control unit that controls a flow ratio of the first machining current and the second machining current by changing an impedance of the impedance switching circuit.
    • 线放电机包括线电极; 加工电源,其向线电极和工件之间提供加工电流。 该机器还包括分别向线电极供电的第一供电触点和第二供电触点; 第一加工电流回路,其中第一加工电流从第一供电触头朝向工件流动; 第二加工电流回路,其中第二加工电流从所述第二供电触头流向所述工件; 阻抗切换电路,其设置在所述第一加工电流回路和所述第二加工电流回路中的至少任一个中; 以及控制单元,其通过改变阻抗切换电路的阻抗来控制第一加工电流和第二加工电流的流量比。
    • 26. 发明申请
    • ELECTRIC DISCHARGE DEVICE
    • 电动放电装置
    • US20100294743A1
    • 2010-11-25
    • US12864195
    • 2008-01-31
    • Takashi HashimotoKoichiro HattoriTakashi YuzawaYoshikazu Ukai
    • Takashi HashimotoKoichiro HattoriTakashi YuzawaYoshikazu Ukai
    • B23K15/00
    • B23H1/022
    • To provide an electric discharge device capable of performing an optimum process that achieves a high-quality process in a satisfactory quality of processing precision and the like. In an electric discharge device that processes a workpiece by electric discharge, a reserve electric-discharge pulse is applied by alternately switching between a positive polarity and a reverse polarity, and a current waveform shape of a main electric-discharge pulse is differentiated corresponding to a polarity of a reserve electric-discharge pulse, to a main electric-discharge pulse to be applied after detecting electric discharge following the reserve electric-discharge pulse. With this arrangement, a processing current shape can be optimized corresponding to an electric discharge characteristic, and thus a high-precision process can be performed.
    • 提供一种能够以令人满意的加工精度等进行优质加工的最佳工序的放电装置。 在通过放电处理工件的放电装置中,通过在正极性和反极性之间交替切换来施加保留放电脉冲,并且主放电脉冲的电流波形形状对应于 保留放电脉冲的极性与在保留放电脉冲之后检测到放电后施加的主放电脉冲。 通过这种布置,可以根据放电特性来优化处理电流形状,因此可以进行高精度处理。
    • 28. 发明申请
    • IMAGE DECODING DEVICE AND IMAGE DECODING METHOD
    • 图像解码设备和图像解码方法
    • US20100239024A1
    • 2010-09-23
    • US12743033
    • 2008-11-14
    • Keishi ChikamuraTakashi Hashimoto
    • Keishi ChikamuraTakashi Hashimoto
    • H04N7/12
    • H04N19/436H04N19/44H04N19/51H04N19/52H04N19/61
    • To decode coded pictures each of which has dependencies within the picture, using conventional decoding circuits and without deteriorating the efficiency in parallel processing.An image decoding device (100) includes: a stream segmentation unit (110) which segments a bit stream such that each of the coded pictures are segmented into two areas; and decoding processing units (120, 130) each of which decodes a corresponding one of the two segmented bit streams. The respective decoding processing units (120, 130) include: decoding units (123, 133) each of which generates decoded data including pixel data and control data; transfer determination units (124, 134) each of which determines whether or not the decoded data is referred to in another one of the processing units; data transfer units (125, 135) each of which transfers decoded data to the other processing unit; and decoding determination units (122, 132) each of which determines whether or not the decoded data to be referred to has been obtained. Each of the decoding units (123, 133) decodes a corresponding one of the segmented bit streams when reference decoded data has been obtained.
    • 为了解码每个图像中具有依赖性的编码图像,使用传统的解码电路并且不降低并行处理的效率。 图像解码装置(100)包括:流分割单元(110),其分割位流,使得每个编码图像被分割成两个区域; 以及解码处理单元(120,130),每个解码处理单元解码两个分段比特流中的对应的一个。 相应的解码处理单元(120,130)包括:解码单元(123,133),每个解码单元生成包括像素数据和控制数据的解码数据; 转移确定单元(124,134),每个确定单元确定在另一个处理单元中是否参考解码数据; 数据传送单元(125,135),每个数据传送单元将解码的数据传送到另一个处理单元; 以及解码确定单元(122,132),每个解码确定单元确定是否已经获得了要被提及的解码数据。 当已经获得参考解码数据时,解码单元(123,133)中的每一个解码对应的一个分段比特流。