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    • 1. 发明授权
    • Area cutting method
    • 区域切割方法
    • US4621959A
    • 1986-11-11
    • US744746
    • 1985-06-10
    • Hajimu KishiMasaki SekiTakashi TakegaharaYasushi Onishi
    • Hajimu KishiMasaki SekiTakashi TakegaharaYasushi Onishi
    • B23Q15/00G05B19/4093G05B19/41B23C3/20G06F15/46
    • G05B19/41G05B2219/34101G05B2219/49226G05B2219/49381G05B2219/50336Y10T409/300896Y10T409/30112Y10T409/303808
    • An area cutting method for cutting the interior of an area (AR) bounded by an external shape curve (OLC) including a number of straight lines (S1, S2, . . . S6) and a circular arc (A1). The method includes linearly approximating a circular arc portion (A1') of an offset curve (OFC) which is offset a predetermined amount from the external shape curve. Then an area bounded by the linearly approximated offset curve is divided into a plurality of convex polygons (PG1-PG3). The centroid (Wi) of each convex polygon and the mid-points (M1, M2) of boundary lines (B1, B2) of two mutually adjacent convex polygons are calculated, and a base line (BL) is generated by successively connecting each centroid and each mid-point. Straight lines (L1-L14) connecting the centroids (Wi) of the convex polygons and the apices (P1-P10) of the convex polygons, and straight lines (BL1-BL4) connecting the mid-points (M1, M2) and the two ends (P1, P4; P4, P7) of the boundary lines bisected by the mid-points are partitioned into a predetermined number of partitions. A tool is moved along plural closed paths (CPT1, CPT2, . . . ) obtained by connecting partitioning points (P.sub.a1, P.sub.a2, . . . P.sub.a18 ; P.sub.b1, P.sub.b2, . . . P.sub.b18), which correspond to the straight lines (L1-L14, BL1-BL4), in such a manner that the base line (BL) is enclosed. The tool is moved along the base line (BL) and along the offset curve (OFC).
    • PCT No.PCT / JP84 / 00484 Sec。 371日期:1985年6月10日 102(e)日期1985年6月10日PCT提交1984年10月12日PCT公布。 第WO85 / 01683号公报 日期:1985年04月25日。一种用于切割由包括多条直线(S1,S2,...)和外圆形曲线(OLC)界定的区域(AR)的内部的区域切割方法, (A1)。 该方法包括线性近似偏移曲线(OFC)的圆弧部分(A1'),其从外部形状曲线偏移预定量。 然后将由线性近似的偏移曲线界定的区域分成多个凸多边形(PG1-PG3)。 计算每个凸多边形的质心(Wi)和两个相互相邻的凸多边形的边界线(B1,B2)的中点(M1,M2),并且通过连续地连接每个质心来生成基线(BL) 和每一个中点。 连接凸多边形的质心(Wi)和凸多边形的顶点(P1-P10)的直线(L1-L14)和连接中点(M1,M2)和 由中点二等分的边界线的两端(P1,P4; P4,P7)被分割成预定数量的分区。 通过将分别对应于直线(L1,Pa2,...,Pa18; Pb1,Pb2,...,Pb18))的多个闭合路径(CPT1,CPT2 ...)移动, -L14,BL1-BL4),以使基线(BL)封闭的方式。 沿着基线(BL)和偏移曲线(OFC)移动刀具。
    • 2. 发明授权
    • Method of approach in area cutting
    • 区域切割方法
    • US4703415A
    • 1987-10-27
    • US746034
    • 1985-06-10
    • Hajimu KishiMasaki SekiTakashi TakegaharaYasushi Onishi
    • Hajimu KishiMasaki SekiTakashi TakegaharaYasushi Onishi
    • B23C3/00G05B19/18G05B13/04
    • G05B19/182G05B2219/49381G05B2219/50109Y10T408/17Y10T408/175Y10T409/300896
    • A method of approach in area cutting includes giving in advance an angle .theta. between a workpiece plane (WPL) and a straight line (SL) connecting an approach starting point (P.sub.A) and a cutting starting point (P.sub.i), and a distance dz between the approach starting point (P.sub.A) and the cutting starting point (P.sub.i) in a direction perpendicular to the workpiece plane. Coordinate values of the approach starting point (P.sub.A) are calculated using the angle .theta. and the distance dz in such a manner that a projection (SL') of the straight line (SL) on the workpiece plane (WPL) is brought into orientation with a direction of a normal line at the cutting starting point (P.sub.i) on a curve (OLC) of the external shape. A tool (TL) is positioned at the approach starting point (P.sub.A) in a rapid-traverse mode, and the tool is subsequently moved to the cutting starting point (P.sub.i) in a cutting-feed mode. Thereafter, cutting is started.
    • PCT No.PCT / JP84 / 00483 Sec。 371日期:1985年6月10日 102(e)日期1985年6月10日PCT提交1984年10月12日PCT公布。 公开号WO85 / 01682 日期:1985年4月25日。面积切割中的方法包括事先给出工件平面(WPL)和连接起始点(PA)和切割起点(Pi)的直线(SL)之间的角度θ ),以及在垂直于工件平面的方向上的接近起始点(PA)和切割起始点(Pi)之间的距离dz。 使用角度θ和距离dz计算进场起点(PA)的坐标值,使得工件平面(WPL)上的直线(SL)的投影(SL')成为取向, 在外部形状的曲线(OLC)上的切割起始点(Pi)处的法线的方向。 工具(TL)以快速移动模式定位在起始点(PA),随后刀具以切削进给模式移动到切割起始点(Pi)。 此后,开始切割。
    • 3. 发明授权
    • Area cutting method
    • 区域切割方法
    • US4706201A
    • 1987-11-10
    • US776205
    • 1985-09-09
    • Hajimu KishMasaki SekiTakashi TakegaharaYasushi Onishi
    • Hajimu KishMasaki SekiTakashi TakegaharaYasushi Onishi
    • B23Q15/00B23C3/00B23H7/20B23Q15/013G05B19/4093G05B19/41
    • G05B19/41G05B2219/49381G05B2219/49392
    • The present invention provides an area cutting method for cutting the interior of an area (AR) bounded by a closed curve (OFC'). The area cutting method includes the steps of: (1) calculating a centroid (W) of an area bounded by the closed curve; (2) determining whether each line segment (L1-L10) connecting the centroid with each vertex (P1-P10) of the area intersects the closed curve; (3) partitioning each line segment into a predetermined number of partitions if the line segment does not intersect the closed curve, and (4) performing area cutting by moving a tool along plural closed paths (CPT1, CPT2 . . . ) each of which is obtained by connecting corresponding ones of the partitioning points of respective line segments. If at least one line segment intersects the closed curve, the method includes the steps of: partitioning the area (AR) into a plurality of regions; (5b) calculating the centroid of each partitioned region; (5c) partitioning each line segment connecting the centroid with each vertex of the partitioned region corresponding to the centroid into a predetermined number of partitions; (5d) finding plural closed curves, for each and every partitioned region, obtained by connecting corresponding ones of the partitioning points of the line segments; and (5e) performing area cutting by successively moving the tool along each closed path.
    • PCT No.PCT / JP85 / 00008 Sec。 371日期:1985年9月9日 102(e)1985年9月9日PCT 1985年1月10日PCT PCT。 第WO85 / 03023号公报 日期:1985年7月18日。本发明提供一种用于切割由闭合曲线(OFC')限定的区域(AR)的内部的区域切割方法。 区域切割方法包括以下步骤:(1)计算由闭合曲线限定的区域的质心(W); (2)确定将质心与区域的每个顶点(P1-P10)连接的每个线段(L1-L10)是否与闭合曲线相交; (3)如果线段不与闭合曲线相交,则将每个线段划分成预定数量的分区,以及(4)通过沿多个封闭路径(CPT1,CPT2 ...)移动刀具来执行区域切割 通过连接各个线段的相应的分割点来获得。 如果至少一个线段与闭合曲线相交,则该方法包括以下步骤:将区域(AR)划分成多个区域; (5b)计算每个划分区域的质心; (5c)将连接质心的每个线段与对应于质心的分割区域的每个顶点分隔成预定数量的分区; (5d)通过连接线段的对应的分割点而获得的每个分割区域的多个闭合曲线; 和(5e)通过沿着每个封闭路径连续地移动工具来执行区域切割。
    • 6. 发明授权
    • Numerical controller
    • 数控机
    • US07425811B2
    • 2008-09-16
    • US11635546
    • 2006-12-08
    • Yasushi OnishiTetsuo HishikawaTakashi Idei
    • Yasushi OnishiTetsuo HishikawaTakashi Idei
    • G05B19/18
    • G05B7/02B22D17/32G05B19/416G05B2219/41107G05B2219/41123G05B2219/42062G05B2219/45204
    • When a servomotor (control axis) is coasting and rotating in a servo-off state in which no current is applied to the servomotor, this servo-off state is switched over to a servo-on state in which current is applied to the servomotor, and a position control and a speed control are started. An actual speed in servo-on state is obtained in speed obtaining means by a position/speed detector. Position command means obtains a command movement amount using the actual speed as an initial speed. A position deviation amount corresponding to the actual speed is calculated, a command movement amount, a position deviation amount, and a position deviation amount remaining in a position deviation counter in servo-on state with the sign thereof reversed are added to each other as a command amount to the position deviation counter.
    • 当伺服电动机(控制轴)在没有电流施加到伺服电动机的伺服关闭状态下滑行并旋转时,该伺服关闭状态切换到电流施加到伺服电动机的伺服开启状态, 开始位置控制和速度控制。 通过位置/速度检测器在速度获取装置中获得伺服打开状态下的实际速度。 位置指令装置使用实际速度作为初始速度获得指令移动量。 计算与实际速度对应的位置偏差量,将符号反转的伺服开启状态下的位置偏差计数器中的指令移动量,位置偏差量和位置偏移量相加,作为 命令量到位置偏差计数器。
    • 8. 发明授权
    • Closed caption decoder having pause function suitable for learning
language
    • 具有适合于学习语言的暂停功能的闭路字幕解码器
    • US5572260A
    • 1996-11-05
    • US505418
    • 1995-07-21
    • Yasushi OnishiShoichi Kamimura
    • Yasushi OnishiShoichi Kamimura
    • G09B19/06G09B5/06G11B15/087G11B27/10G11B31/00H04N5/765H04N7/088H04N7/087
    • H04N21/4884G09B5/065G11B15/087G11B27/107G11B31/00H04N5/44513H04N7/0885
    • A closed caption decoder with a pause function suitable for learning a language comprising: a closed caption decode circuit for decoding closed caption signals included in video signals outputted from a video cassette recorder and for outputting a detection signal when a predetermined control code is decoded; a timer which measures an elapse of time from a time when the predetermined control code is decoded; and a pause control circuit for instructing the caption decode means to perform a pause operation of caption decode and the video cassette recorder to perform a pause of video reproduction when the detection signal is outputted form the closed caption decode circuit and for outputting a pause termination signal of caption decode to the closed caption decoder and a pause termination signal of video reproduction to the video cassette recorder when the timer measures a predetermined period of time.
    • 一种具有适于学习语言的暂停功能的闭路字幕解码器,包括:用于解码包含在从盒式磁带录像机输出的视频信号中的封闭字幕信号的闭路字幕解码电路,并且当预定控制码被解码时输出检测信号; 定时器,其从所述预定控制码被解码的时刻测量经过时间; 以及暂停控制电路,用于指示字幕解码装置执行字幕解码的暂停操作和盒式磁带录像机,以便当从闭路字幕解码电路输出检测信号并执行暂停终止信号时执行视频再现暂停 当所述定时器测量预定时间段时,对所述闭路字幕解码器进行字幕解码和对所述录像机的视频再现的暂停终止信号。
    • 9. 发明授权
    • Area cutting method
    • 区域切割方法
    • US4823275A
    • 1989-04-18
    • US044944
    • 1987-03-16
    • Kunio TanakaYasushi Onishi
    • Kunio TanakaYasushi Onishi
    • G05B19/402B23Q15/00G05B19/4093G05B19/41G06F15/46
    • G05B19/41G05B2219/49381
    • The present invention relates to an area cutting method for cutting the interior of an area (AR) by moving a tool along a plurality of offset paths successively offset in an inward direction from a closed curve (AR) specifying the area. The area cutting method includes determining whether the area (AR) bounded by the closed curve (OLC) is to be divided, obtaining, if division is necessary, division suitability a division value for all sets of apices, in which any two apices form a set, by using an evaluation function indicative of a preset division suitability or value, dividing the area by a straight line connecting the two apices (P5, P7) of the set having the maximum suitability, executing similar processing for each divided area (PG1, PG2), deciding tool paths on the basis of the final divided areas, and performing area cutting by moving a tool along the tool paths.
    • PCT No.PCT / JP86 / 00369 Sec。 371日期1987年3月16日 102(e)1987年3月16日PCT PCT 1986年7月17日PCT公布。 公开号WO87 / 00650 PCT 日本1987年1月29日。本发明涉及一种通过沿着从闭合曲线(AR)向内依次偏移的多个偏移路径移动工具来切割区域(AR)的内部的区域切割方法。 该地区。 区域切割方法包括确定由闭合曲线(OLC)限定的区域(AR)是否被划分,如果需要划分,则获得分割适用性,所有顶点集合的分割值,其中任何两个顶点形成 通过使用表示预设的分割适用性或值的评价函数,通过连接具有最大适合性的集合的两个顶点(P5,P7)的直线来划分该区域,对每个划分区域(PG1, PG2),基于最终分割区域来确定工具路径,以及通过沿着刀具路径移动刀具来执行区域切割。
    • 10. 发明授权
    • Area cutting method
    • 区域切割方法
    • US4791576A
    • 1988-12-13
    • US036679
    • 1987-03-16
    • Kunio TanakaYasushi Onishi
    • Kunio TanakaYasushi Onishi
    • G05B19/402B23Q15/00G05B19/4093G05B19/41G05B19/403
    • G05B19/41G05B2219/49381
    • The present invention relates to an area cutting method for cutting the interior of an area (AR) by moving a tool along a plurality of offset paths (CPT1, CPT2, . . . CPTn) successively offset in an inward direction from a closed curve (OLC) specifying the area (AR). In accordance with the area cutting method, the centroid (W) of the area is found and a check is performed as to whether the centroid lies inside the area. It is also checked whether line segments (L1, L2, L3, . . . ) connecting the centroid with the apices (P1, P2, . . . , P10) of the area intersect the closed curve (OLC'). If the centroid (W) lies within the area and none of the line segments intersect the closed curve, the area is not divided into a plurality of convex polygons even if the area is a concave polygon. Instead, each line segment is partitioned into a predetermined number of partitions and cutting is performed by moving the tool along a plurality of closed paths (CPT1-CPTn) connecting consecutive partitioning points Pi1 through Pi10 (i=a, b, . . . n) of the line segments.
    • PCT No.PCT / JP86 / 00368 Sec。 371日期1987年3月16日 102(e)1987年3月16日PCT PCT 1986年7月17日PCT公布。 公开号WO87 / 00649 日本1987年1月29日。本发明涉及一种用于通过沿着多个偏移路径(CPT1,CPT2,...,CPTn)移动刀具来切割区域(AR)的内部的区域切割方法, 从指定区域(AR)的闭合曲线(OLC)向内的方向。 根据区域切割方法,找到该区域的质心(W),并且检查质心是否位于区域内。 还检查连接质心与区域的顶点(P1,P2,...,P10)的线段(L1,L2,L3,...)是否与闭合曲线(OLC')相交。 如果质心(W)位于区域内,并且没有线段与闭合曲线相交,即使该区域是凹多边形,该区域也不被划分成多个凸多边形。 相反,每个线段被划分成预定数量的分区,并且通过沿着连接连续分割点Pi1至Pi10(i = a,b,...)的多个闭合路径(CPT1-CPTn)移动工具来执行切割 )的线段。