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    • 61. 发明授权
    • Capacitively coupled ground electrode for piezo-electric film
    • 用于压电薄膜的电容耦合接地电极
    • US5789846A
    • 1998-08-04
    • US761766
    • 1996-12-05
    • Richard Hunter Brown
    • Richard Hunter Brown
    • H04R17/00B06B1/06H01L41/09H01L41/08
    • B06B1/0644B06B1/0688
    • A piezo electric film has a signal electrode on one side of the film and a primary ground electrode on the other side of the film. The signal and ground electrodes are for connection to external conductors that process the electrical signals of the piezo film. In order to facilitate connection of the ground electrode to an external ground conductor, a secondary ground electrode is provided on the same side of the film as the signal electrode. The secondary ground electrode is capacitively coupled to the primary ground electrode. This arrangement enables connection of signal and ground conductors to the electrodes from one side only, which, for example, enables the piezo film to be mounted on a printed circuit board directly in contact with conductive circuit traces. An industrial application may be for piezo electric transducers, such as used in liquid level sensors.
    • 压电电膜在膜的一侧具有信号电极,在膜的另一侧具有主接地电极。 信号和接地电极用于连接到处理压电薄膜电信号的外部导体。 为了便于接地电极与外部接地导体的连接,在与信号电极相同的一侧设置有二次接地电极。 次级接地电极电容耦合到主接地电极。 这种布置使得可以仅从一侧将信号和接地导体连接到电极,这例如使得压电膜能够直接安装在与导电电路迹线接触的印刷电路板上。 工业应用可以用于压电换能器,例如用在液位传感器中。
    • 69. 发明授权
    • Linear actuator
    • 线性执行机构
    • US06879065B2
    • 2005-04-12
    • US10633953
    • 2003-08-04
    • Jesse Vernon Corbett, Jr.Richard Hunter HarrisMark Leland Myers
    • Jesse Vernon Corbett, Jr.Richard Hunter HarrisMark Leland Myers
    • H02K29/03H02K41/00H02K43/00
    • H02K29/03Y10T74/18688Y10T74/18696Y10T74/1872
    • An improved linear actuator incorporates a DC motor whose stator is secured to a frame is provided for. To improve operational longevity and reliability of a linear actuator, the improved actuator includes a retention clutch and an axial load limiter. An axially configured retention clutch is configured to slidably fit within the open inner channel diameter of an axial load limiter and over a motor shaft of a linear actuator. In operation, the retention clutch reduces the impact loads on the stop and extending the fatigue life of these wearable components. Similarly, when the screw encounters axial loads during operation, these loads are distributed across both the axial load limiter and the motor, thereby reducing direct forces on the motor and contributing to an extended use of the motor component.
    • 改进的线性致动器包括其定子被固定到框架的DC电动机。 为了改善线性致动器的运行寿命和可靠性,改进的致动器包括保持离合器和轴向负载限制器。 轴向配置的保持离合器构造成可滑动地配合在轴向负载限制器的敞开的内部通道直径内并且在线性致动器的电动机轴上。 在操作中,保持离合器减少了止动件上的冲击载荷并延长了这些可穿戴部件的疲劳寿命。 类似地,当螺钉在操作期间遇到轴向载荷时,这些载荷分布在轴向载荷限制器和马达两端,从而减少马达上的直接力并有助于延长使用马达部件。
    • 70. 发明授权
    • Tilt hinge
    • 倾斜铰链
    • US06446308B1
    • 2002-09-10
    • US09764821
    • 2001-01-17
    • James Gabriel BrewingtonRichard Hunter Harris
    • James Gabriel BrewingtonRichard Hunter Harris
    • E05D1108
    • G06F1/1681E05D11/084E05Y2201/49E05Y2900/606G06F1/1616G06F1/1643Y10T16/53885Y10T16/5403Y10T16/54038
    • A tilt mechanism of the type for interconnecting two members in a manner such that the two members may be moved and placed in various positions in relation to one another. The tilt mechanism comprising: an outer mandrel connected to a first member; an intermediate mandrel connected to a second member, the intermediate mandrel being movably disposed about a portion of the outer mandrel; an inner mandrel in functional connection with the outer and intermediate mandrel; a first spring functionally connected about a portion of the outer mandrel and the inner mandrel in a manner such that the first spring resists movement when moved in a first direction and releases tension when moved in a second direction; and a second spring functionally connected about a portion of the intermediate mandrel and the inner mandrel in a manner such that the second spring resists movement when moved in a second direction and releases tension when moved in a first direction.
    • 一种倾斜机构,用于以两个构件相互移动和放置在各种位置的方式互连两个构件。 所述倾斜机构包括:连接到第一构件的外心轴; 连接到第二构件的中间心轴,所述中间心轴围绕所述外心轴的一部分可移动地设置; 内心轴与外心轴和中心心功能连接; 第一弹簧以这样的方式功能地连接在外心轴和内心轴的一部分上,使得当沿第一方向移动时第一弹簧抵抗运动并且当沿第二方向移动时释放张力; 以及第二弹簧,其以中间心轴和内心轴的一部分功能地连接,使得当沿第二方向移动时第二弹簧抵抗运动,并且当沿第一方向移动时释放张力。