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    • 2. 再颁专利
    • Optical fiber probe for position measurement
    • 用于位置测量的光纤探头
    • USRE39102E1
    • 2006-05-23
    • US09640794
    • 2000-08-18
    • Waldean A. SchulzIvan FaulRonald M. PasquiniDaniel J. Harrison
    • Waldean A. SchulzIvan FaulRonald M. PasquiniDaniel J. Harrison
    • G01B11/26A61B19/00
    • G01B11/002A61B90/36G01S1/70G01S5/16
    • Improved point source electromagnetic radiation emitters including a dispersing element that radiates electromagnetic radiation over a vary wide conical angle of approaching about 180°. This light dispersing element can be in any one or more of several illustrated forms such as a light diffusing spherical or hemispherical element, a planar diffusing plate, a tapered light guide, a piano-concave lens, a convex mirror, a light pipe with a large numerical aperture, or the like. The emitter of this invention may be fixed to an object and tracked in a 3-dimensional volume by a system using electro-optical position sensors in order to determine the spatial location of the emitters and therefore to determine, by geometry, the position or orientation of the object. The electromagnetic radiation generator is preferably disposed remote from the emitter and is electrically and magnetically isolated from the emitter. A common optical fiber provides transmission of the radiation from the generator to the emitter. The emitted radiation more nearly resembles point source of radiation and therefore enables more accurate determination of the location of the radiating element, and thereby more accurate determination of the position and orientation of the object on which the emitters reside. The preferred electromagnetic radiation generator is an LED, most preferably a laser diode.
    • 改进的点源电磁辐射发射器包括分散元件,其在接近约180°的变化的宽锥角上辐射电磁辐射。 该光分散元件可以是几种所示形式的任何一种或多种,​​例如光漫射球形或半球形元件,平面扩散板,锥形光导,钢琴凹透镜,凸面镜,具有 大数值孔径等。 本发明的发射器可以通过使用电光位置传感器的系统固定在物体上并以三维体积跟踪,以便确定发射器的空间位置,并且因此通过几何形状确定位置或取向 的对象。 电磁辐射发生器优选地远离发射器设置并且与发射极电气和磁性隔离。 普通光纤提供从发生器到发射器的辐射传输。 发射的辐射更接近于类似于辐射源点,因此能够更准确地确定辐射元件的位置,从而更准确地确定放射器所在的物体的位置和方向。 优选的电磁辐射发生器是LED,最优选的是激光二极管。
    • 3. 发明授权
    • Optical fiber probe for position measurement
    • 用于位置测量的光纤探头
    • US5907395A
    • 1999-05-25
    • US870296
    • 1997-06-06
    • Waldean A. SchulzIvan FaulRonald M. PasquiniDaniel J. Harrison
    • Waldean A. SchulzIvan FaulRonald M. PasquiniDaniel J. Harrison
    • A61B19/00G01B11/00G01B11/03G01S1/70G01S5/16G01B11/26
    • G01B11/002A61B90/36G01S1/70G01S5/16
    • Improved point source electromagnetic radiation emitters including a dispersing element that radiates electromagnetic radiation over a very wide conical angle of approaching about 180.degree.. This light dispersing element can be in any one or more of several illustrated forms such as a light diffusing spherical or hemispherical element, a planar diffusing plate, a tapered light guide, a plano-concave lens, a convex mirror, a light pipe with a large numerical aperture, or the like. The emitter of this invention may be fixed to an object and tracked in a 3-dimensional volume by a system using electro-optical position sensors in order to determine the spatial location of the emitters and therefore to determine, by geometry, the position and orientation of the object. The electromagnetic radiation generator is preferably disposed remote from the emitter and is electrically and magnetically isolated from the emitter. A common optical fiber provides transmission of the radiation from the generator to the emitter. The emitted radiation more nearly resembles point source of radiation and therefore enables more accurate determination of the location of the radiating element, and thereby more accurate determination of the position and orientation of the object on which the emitters reside. The preferred electromagnetic radiation generator is an LED, most preferably a laser diode.
    • 改进的点源电磁辐射发射器包括在约180°的非常宽的圆锥角上辐射电磁辐射的分散元件。 该光分散元件可以是几种所示形式中的任何一种或多种,​​例如光漫射球形或半球形元件,平面扩散板,锥形光导,平凹透镜,凸面镜,具有 大数值孔径等。 本发明的发射器可以通过使用电光位置传感器的系统固定在物体上并以三维体积跟踪,以便确定发射器的空间位置,因此通过几何形状来确定位置和取向 的对象。 电磁辐射发生器优选地远离发射器设置并且与发射极电气和磁性隔离。 普通光纤提供从发生器到发射器的辐射传输。 发射的辐射更接近于类似于辐射源点,因此能够更准确地确定辐射元件的位置,从而更准确地确定放射器所在的物体的位置和方向。 优选的电磁辐射发生器是LED,最优选的是激光二极管。
    • 4. 发明授权
    • Hybrid 3-D probe tracked by multiple sensors
    • 由多个传感器跟踪的混合3-D探头
    • US06611141B1
    • 2003-08-26
    • US09868948
    • 2001-09-17
    • Waldean A. SchulzIvan Faul
    • Waldean A. SchulzIvan Faul
    • G01B1114
    • G01C21/165A61B34/20A61B2034/107A61B2034/2048A61B2034/2051A61B2034/2055A61B2090/0818A61B2090/3995G01S5/021G01S5/0263G01S5/16G01S5/163
    • This invention is a system that tracks the 3-dimensional position and orientation of one or more bodies (20) in a volume by a light based as well as at least one non-light based mensuration sub-system. This overcomes the limitation of light based mensuration systems to the necessity of the bodies (20) to be in constant line-of-sight of its light based position sensors (26). The invention possesses most of the accuracy and stability of its light based position measurement sub-system (24, 26, 72), but can also work without direct line of sight either for short periods of time or within certain parts of the volume. It does so by incorporating other sensors (31, 34), such as inertial or magnetic, which are frequently recalibrated against the light based sub-system (24, 26, 72) while the bodies (20) are visible by the light based sub-system (24, 26, 72).
    • 本发明是一种通过基于光的以及至少一个基于非基于光的测量子系统跟踪体积中的一个或多个主体(20)的三维位置和取向的系统。 这克服了基于光的测量系统的限制,使得物体(20)在其基于光的位置传感器(26)处于恒定视距的必要性。 本发明具有其基于光的位置测量子系统(24,26,72)的大部分精度和稳定性,但是也可以在短时间内或在体积的某些部分内没有直接视线的情况下工作。 它通过结合诸如惯性或磁性的其它传感器(31,34)来实现,所述传感器经常被重新校准抵靠基于光的子系统(24,26,72),而主体(20)由基于光的子视觉可见 系统(24,26,72)。
    • 5. 发明授权
    • Wireless optical instrument for position measurement and method of use therefor
    • 用于位置测量的无线光学仪器及其使用方法
    • US06608688B1
    • 2003-08-19
    • US09647365
    • 2001-05-16
    • Ivan FaulWaldean A. SchulzBrett R. SkeltonRonald M. Pasquini
    • Ivan FaulWaldean A. SchulzBrett R. SkeltonRonald M. Pasquini
    • G01B1114
    • G06F3/0325A61B34/20A61B2034/2051A61B2034/2055G06F3/0346G06F3/03545
    • Disclosed is a wireless instrument tracking system. The wireless instrument tracking system is used for determining the location of at least one point relative to the instrument in a three-dimensional space relative to a three-dimensional coordinate tracking system. Advantageously, a first wireless instrument can be placed into the optical field with the wireless instrument including a wireless receiver and at least one optical position indicator. The optical position indicator is typically light emitting diodes (18) and communicates with corresponding measurement sensors (30) across a wireless optical link. The wireless optical link is time multiplexed with repetitive time frames divided into time slots. Each LED (18) emits an infrared signal or flashes in a respective time slot of a time frame. The measurement sensors (30) are preferably CCD cameras. The LEDs (18) are synchronized with the cameras and once synchronized each LED (18) flashes in a different time slot in synchronization with the camera frame rate.
    • 公开了一种无线仪器跟踪系统。 无线仪器跟踪系统用于相对于三维坐标跟踪系统确定相对于仪器的至少一个点在三维空间中的位置。 有利地,第一无线仪器可以放置在光场中,无线仪器包括无线接收器和至少一个光学位置指示器。 光学位置指示器通常是发光二极管(18),并且通过无线光学链路与对应的测量传感器(30)通信。 无线光链路与被划分成时隙的重复时间帧进行时间复用。 每个LED(18)发射红外信号或在时间帧的相应时隙中闪烁。 测量传感器(30)优选为CCD照相机。 LED(18)与相机同步,并且一旦同步,每个LED(18)与相机帧速率同步地在不同的时隙中闪烁。