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    • 6. 发明授权
    • Method for constructing a 3D polygonal surface from a 2D silhouette by using computer, apparatus thereof and storage medium
    • 通过使用计算机,其设备和存储介质从2D轮廓构造3D多边形表面的方法
    • US06549201B1
    • 2003-04-15
    • US09716406
    • 2000-11-21
    • Takeo IgarashiHidehiko Tanaka
    • Takeo IgarashiHidehiko Tanaka
    • G06T1500
    • G06T17/20G06T15/02
    • A sketching interface for quickly and easily designing freeform models such as stuffed animals and other rotund objects. The user draws several 2D freeform strokes interactively on the screen and the system automatically constructs plausible 3D polygonal surfaces. The system supports several modeling operations, including the operation to construct a 3D polygonal surface from a 2D silhouette drawn by the user: it inflates the region surrounded by the silhouette making wide areas fat, and narrow areas thin. The system is implemented as a Java(tm) program, and the mesh construction is done in real-time on a standard PC. An informal user study showed that a first-time user typically masters the operations within 10 minutes, and can construct interesting 3D models within minutes.
    • 一个草图界面,用于快速,轻松地设计自由形状模型,如填充动物和其他圆形物体。 用户在屏幕上交互地绘制2D 2D自由笔画,系统自动构建合理的3D多边形表面。 该系统支持多种建模操作,包括从用户绘制的2D轮廓构造3D多边形表面的操作:它使由轮廓包围的区域膨胀,使得广泛的区域变胖,狭窄的区域变薄。 该系统实现为Java(tm)程序,网格构建在标准PC上实时完成。 非正式的用户研究表明,第一次使用者通常会在10分钟内掌握操作,并可在数分钟内构建有趣的3D模型。
    • 8. 发明授权
    • Electric discharge machine including electrode configuration sensor
    • 电动放电机,包括电极配置传感器
    • US5224048A
    • 1993-06-29
    • US574032
    • 1990-08-29
    • Nobuaki OhbaToshiro OhizumiHidehiko Tanaka
    • Nobuaki OhbaToshiro OhizumiHidehiko Tanaka
    • B23H7/20
    • B23H7/20
    • An improved electric discharge machine with a numerical control unit includes an electrode configuration sensor in a machining vessel for detecting the configuration of a machining electrode before an electric discharge machining operation is conducted. According to one aspect of the invention, the electric discharge machining operation is performed while electrical discharge machining conditions are being automatically selected so as to permit the most suitable machining conditions for the electric discharge machining operation to be carried out with respect to the electrode whose configuration has been detected. According to another aspect of the invention, troublesome operations for setting the electrical conditions corresponding to the electrical discharge machining operation are eliminated.
    • 具有数字控制单元的改进的放电加工机包括在进行放电加工操作之前用于检测加工电极的构造的加工容器中的电极配置传感器。 根据本发明的一个方面,在自动选择放电加工条件的同时进行放电加工操作,以便能够对配置的电极执行放电加工操作的最合适的加工条件 已被检测到。 根据本发明的另一方面,消除了用于设置与放电加工操作相对应的电气条件的麻烦的操作。
    • 9. 发明授权
    • Electric discharge machine
    • 放电机
    • US5049715A
    • 1991-09-17
    • US474567
    • 1990-02-02
    • Hidehiko Tanaka
    • Hidehiko Tanaka
    • B23H7/22B23H1/00
    • B23H1/00
    • The machine has a rotary device for holding and rotating a workpiece to be processed, an electrode disposed to oppose the workpiece, an indexing device for holding the electrode and indexing the electrode at a predetermined angular pitch, a power supply device for applying a voltage between the workpiece and the electrode so as to cause the electric discharge therebetween, and a cutting device for cutting a portion of the electrode which has been used for the electric discharge and has been indexed by the indexing device to face the cutting device. The consumed portions of the electrode are successively indexed to the position where the cutting device is set so that the consumed portion of the electrode is successively cut without requiring the processing to be stopped.
    • 该机器具有用于保持和旋转待处理的工件的旋转装置,与工件相对设置的电极,用于保持电极并以预定角度间​​距分度电极的分度装置,用于在 工件和电极,以便在它们之间引起放电;以及切割装置,用于切割已经用于放电的电极的一部分并且由分度装置分度以面对切割装置。 电极的消耗部分被连续地分配到切割装置设置的位置,使得电极的消耗部分被连续切割,而不需要停止处理。