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    • 81. 发明授权
    • Robotic vehicle with dynamic range actuators
    • 具有动态范围执行器的机器人车辆
    • US07600593B2
    • 2009-10-13
    • US11762458
    • 2007-06-13
    • Mikhail FilippovJohn P. O'BrienAdam P. Couture
    • Mikhail FilippovJohn P. O'BrienAdam P. Couture
    • B62D55/00
    • B62D55/075B25J5/005B25J19/005B60K1/00B60L15/2036B62D37/00Y02T10/72Y02T10/7275Y02T90/16
    • A robotic vehicle including a chassis having front and rear ends, an electric power source supported by the chassis, and multiple drive assemblies supporting the chassis. Each drive assembly including a track trained about a corresponding drive wheel and a drive control module. The drive control module including a drive control housing, a drive motor carried by the drive control housing and operable to drive the track, and a drive motor controller in communication with the drive motor. The drive motor controller including a signal processor and an amplifier commutator in communication with the drive motor and the signal processor and is capable of delivering both amplified and reduced power to the drive motor from the power source. In one instance, the drive control module is separately and independently removable from a receptacle of the chassis as a complete unit.
    • 一种机器人车辆,包括具有前端和后端的底架,由底盘支撑的电源和支撑底盘的多个驱动组件。 每个驱动组件包括关于相应的驱动轮和驱动控制模块训练的轨道。 驱动控制模块包括驱动控制壳体,由驱动控制壳体承载并可操作以驱动轨道的驱动马达以及与驱动马达连通的驱动马达控制器。 驱动电动机控制器包括与驱动电动机和信号处理器通信的信号处理器和放大器换向器,并且能够从电源向驱动电动机提供放大和降低的功率。 在一种情况下,驱动器控制模块作为一个完整的单元独立且独立地从机架的插座中移除。
    • 84. 发明授权
    • Bone analysis apparatus and method for calibration and quality assurance of an ultrasonic bone analysis apparatus
    • 骨分析装置及超声骨分析装置的校准和质量保证方法
    • US06352512B1
    • 2002-03-05
    • US09277838
    • 1999-03-26
    • Kevin E. WilsonDonald BarryDennis G. LamserJohn P. O'BrienJay A. Stein
    • Kevin E. WilsonDonald BarryDennis G. LamserJohn P. O'BrienJay A. Stein
    • A61B800
    • A61B5/1074A61B8/0875A61B8/4209A61B8/587
    • A method of calibrating an ultrasound bone analysis apparatus having a pair of transducer assemblies. Each transducer assembly has a transducer and a coupling pad, and is movable relative to the other so that a face of each pad can be moved to a position in which they mutually contact at a first compression and to a position where the faces contact body parts at a second compression different than the first compression. The method according to the present application includes transmitting an ultrasound signal from one transducer and receiving a signal corresponding to the transmitted ultrasound signal through the other transducer when the transducer assemblies are in the first position and the second position. A time for the ultrasound signal to pass through the body part is determined, and a width of the body part based on positions of the transducers is determined. Then, using the time and width values a speed of sound of the ultrasound signal passing through the body part with squish compensation is calculated.
    • 一种校准具有一对换能器组件的超声骨分析装置的方法。 每个换能器组件具有换能器和耦合垫,并且可相对于另一个移动,使得每个垫的表面可以移动到它们在第一压缩下相互接触的位置,并且其中所述面接触体部分 在不同于第一压缩的第二压缩下。 根据本申请的方法包括当换能器组件处于第一位置和第二位置时,从一个换能器发送超声信号并且通过另一个换能器接收与所发射的超声信号相对应的信号。 确定超声信号通过身体部位的时间,并且确定基于换能器的位置的身体部位的宽度。 然后,使用时间和宽度值计算通过身体部位的超声信号的声音的压缩补偿。
    • 85. 发明授权
    • Ultrasonic bone testing apparatus with repeatable positioning and
repeatable coupling
    • 超声波骨测试仪具有重复定位和可重复耦合
    • US6135964A
    • 2000-10-24
    • US374138
    • 1999-08-10
    • Donald BarryRichard E. CabralDaniel W. HawkinsDennis G. LamserJohn P. O'BrienJay A. SteinKevin E. Wilson
    • Donald BarryRichard E. CabralDaniel W. HawkinsDennis G. LamserJohn P. O'BrienJay A. SteinKevin E. Wilson
    • A61B8/00A61B5/107A61B8/08
    • A61B5/1074A61B8/0875
    • An ultrasonic bone testing apparatus has a foot well assembly and a shin guide assembly which are mechanically coupled to secure a foot and lower leg of patient during the measurement process. The shin guide assembly includes a molded form which has a shin restraint section, an instep guide section and a foot restraint section. An instep support guide having sliding blocks is mounted on the molded form. The sliding blocks are inserted into respective channels of respective bridge brackets of the foot well assembly to attach the shin guide assembly to the foot well assembly. The apparatus further includes a transducer drive mechanism for positioning a pair of transducer assemblies. A controller automatically modifies the positioning of the transducer assemblies until ultrasonic coupling is achieved and a receiving transducer receives a signal of a predetermined quality. A coupling pad and acoustical delay line of the transducer assembly provide a waveguide function to collimate an acoustical beam a sufficient distance along a propagation axis to allow wavefronts to evolve onto a more uniform intensity pattern. The elastomer coupling pad has an angled surface which expels air bubbles from a contact area when pressure is applied to the pad.
    • 超声骨测试装置具有脚部组件和引导组件,其在测量过程中机械联接以固定患者的脚和小腿。 引导组件包括具有胫部约束部分,脚背引导部分和脚部约束部分的模制形式。 具有滑块的脚背支撑引导件安装在模制形式上。 将滑动块插入到足部井组件的相应桥架支架的相应通道中,以将胫骨引导组件附接到脚部组件。 该装置还包括用于定位一对换能器组件的换能器驱动机构。 控制器自动修改换能器组件的定位,直到实现超声波耦合并且接收换能器接收到预定质量的信号。 换能器组件的耦合垫和声学延迟线提供了波导功能,以沿着传播轴线对声束进行校准足够的距离,以允许波前演化成更均匀的强度图案。 弹性体联接垫具有成角度的表面,当压力施加到垫时,其从接触区域排出气泡。