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    • 48. 发明申请
    • BRUSHLESS DC MOTOR STARTS FOR A BARRIER FREE MEDICAL TABLE
    • 无刷直流电机启动无障碍医疗表
    • US20120062011A1
    • 2012-03-15
    • US12878321
    • 2010-09-09
    • Chris JonesRodney Hyre
    • Chris JonesRodney Hyre
    • A61G15/10A61G15/02H02P6/22
    • A61G15/02A61G2203/12A61G2203/726H02P6/22
    • A boot-strap capacitor pre-charge algorithm prevents unwanted motions in an examination table using a brushless direct current motor. The motor is supplied with power by a motor drive circuit which includes a high-side transistor coupled to a high-side gate driver, a low-side transistor coupled to a low-side gate driver, and a boot-strap capacitor coupled with the high-side gate driver. A control panel is provided that communicates with a motor controller. When the motor controller receives an indication that the motor is to be started, the motor controller activates a low-side gate driver to switch on the low-side transistor, thereby causing the boot-strap capacitor to charge. The motor controller then deactivates the low-side gate driver to switch off the low-side transistor and activates the high-side gate driver to switch on the high-side transistor, causing a voltage to be supplied to a stator of the first motor and/or second motor.
    • 引导电容器预充电算法使用无刷直流电机防止检查台中的不必要的运动。 电动机由电动机驱动电路供电,电动机驱动电路包括耦合到高侧栅极驱动器的高侧晶体管,耦合到低侧栅极驱动器的低侧晶体管和耦合到低侧栅极驱动器的引导电容器 高边门驱动器。 提供与电机控制器通信的控制面板。 当电机控制器接收到电机启动指示时,电机控制器激活低侧栅极驱动器以接通低端晶体管,从而使引导电容器充电。 电动机控制器然后使低侧栅极驱动器去激活以关闭低侧晶体管,并激活高侧栅极驱动器以接通高边晶体管,从而将电压提供给第一电动机的定子,并且 /或第二电机。
    • 50. 发明申请
    • Medical chair
    • 医疗椅
    • US20050216061A1
    • 2005-09-29
    • US10924949
    • 2004-08-25
    • Sang KimMasayuki Nakamura
    • Sang KimMasayuki Nakamura
    • A61G15/12A61G15/02A61G15/04A61G15/06A61G15/10A61H1/00A61H1/02
    • A61H1/008A61H1/0218A61H2201/1607A61H2201/1614A61H2201/163A61H2203/0431
    • A medical chair is provided which is useful in the case where the dental arch and the occlusal condition are to be measured correctly, and also in various medical treatment methods that synthetically pursue the balance of a human body, and which can relax muscular tension of the human body as much as possible in a condition where the human body extends along the direction of gravity while ensuring physiological curvature of the individual vertebrae. The medical chair has cranium position regulating means 7 and pelvis position regulating means 4 for respectively regulating the positions of the cranium and pelvis of a subject who sits on a seat. The regulating means 7 and 4 have a structure in which they butt against both right and left sides of the cranium and the pelvis, respectively to cause both planes centered in a right-and-left direction of the cranium and the pelvis to be in a same central plane which extends in the direction of gravity. An ideal condition of the body of the subject in which vertical and horizontal balances are achieved against the force of gravity can be achieved to ensure physiological curvature of vertebrae, and the condition can be maintained.
    • 提供了一种医疗椅,其在牙弓和咬合条件被正确测量的情况下也是有用的,并且在各种医疗处理方法中合成地追求人体的平衡,并且可以放松肌肉紧张 人体尽可能地在人体沿着重力方向延伸的状态下,同时确保各个椎骨的生理性弯曲。 医疗椅具有头颅位置调节装置7和骨盆位置调节装置4,用于分别调节坐在座位上的受试者的颅骨和骨盆的位置。 调节装置7和4具有这样的结构,它们分别对接头骨和骨盆的右侧和左侧,使得以颅骨和骨盆的左右方向为中心的两个平面处于 相同的中心平面在重力方向上延伸。 可以实现对抗重力的垂直和水平平衡的主体的理想状态,以确保椎体的生理曲率,并且可以维持该状态。