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    • 6. 发明授权
    • Electro-optic voltage transducer with extended range and temperature
compensation
    • 具有扩展范围和温度补偿功能的电光电压传感器
    • US5734263A
    • 1998-03-31
    • US597316
    • 1996-02-06
    • Lawrence J. RyczekMichael G. Taranowski
    • Lawrence J. RyczekMichael G. Taranowski
    • G01R15/24G01R19/00
    • G01R15/242
    • In an electro-optic voltage transducer utilizing a crystal exhibiting birefringence in a fast axis and a slow axis mutually orthogonal to an optic axis in the presence of an electric field produced by the voltage to be measured, the crystal is mounted for angular adjustment relative to the direction of propagation of a light beam passing through the crystal and polarized at an angle to the fast and slow axes to provide adjustment of the effective half-wave voltage of the crystal. Preferably, the crystal is a disk mounted for rotation about an axis perpendicular to the optic axis by temperature sensitive mounts extending perpendicular to radii of the disk in order to provide temperature compensation. Greater angular adjustment, which extends unambiguous voltage measurement above the natural half-wave voltage of the crystal, is provided by securing the temperature responsive mounts to a rotatable support disk. An analyzer measures the relative retardation between the fast and slow components of the polarized light beam emerging from the crystal for generating an output representing the value of the applied voltage.
    • 在电光电压传感器中,在由待测电压产生的电场存在的情况下,利用在快轴和与光轴相互正交的慢轴的晶体呈现双折射,所述晶体安装成相对于 通过晶体的光束的传播方向并以与快轴和慢轴成一定角度偏振,以提供晶体的有效半波电压的调节。 优选地,晶体是通过垂直于盘的半径延伸的温度敏感的安装件来安装的用于围绕垂直于光轴的轴线旋转的盘,以便提供温度补偿。 通过将温度响应安装件固定到可旋转的支撑盘上,提供了更大的角度调节,其将明确的电压测量扩展到晶体的自然半波电压之上。 分析器测量从晶体出射的偏振光束的快速和慢速分量之间的相对延迟,用于产生表示施加电压值的输出。
    • 8. 发明授权
    • Low current switching apparatus having detent structure providing
tactile feedback
    • 具有提供触觉反馈的制动结构的低电流开关装置
    • US5130506A
    • 1992-07-14
    • US700237
    • 1991-05-15
    • Joseph C. ZuercherEdward G. LewisMichael G. TaranowskiConstance L. Williams
    • Joseph C. ZuercherEdward G. LewisMichael G. TaranowskiConstance L. Williams
    • H01H13/50H01H13/705H01H23/00
    • H01H13/50H01H13/705H01H23/00H01H2215/028H01H2215/034H01H2219/062H01H2221/018H01H2231/026H01H2300/01Y10T29/49105
    • Pivotal movement of a switch actuator drives a finger projecting from the actuator against a convexly bowed leaf spring, depressing an intermediate portion of the leaf spring to an unstable concave condition. The leaf spring resists the actuator movement, initially with an increasing force but changing to a decreasing force at a predictable point in actuator movement to provide tactile feedback at an operator affixed to the actuator. The leaf spring is a flat beam. The spring force and point of changeover can be readily and predictably varied during manufacture by selecting springs having different widths, thicknesses or other variable parameters. A modular block holds the spring in the bowed condition and is positioned relative to the actuator finger by a support plate. The actuator finger drives the spring against a conductive rubber block, compressing the block against spaced conductors on a printed circuit to complete the circuit. A plurality of such switches are made in a common package by layering a printed circuit, insulator sheet, conductive rubber sheet with raised bosses, detent support plate and a plurality of detent blocks with bowed springs, between a base and a cover. Back lit illumination is provided by a light pipe trapped against the cover as an additional layer. A microprocessor board, connected to the internal printed circuit, is attached to the switch housing exteriorly of the base.
    • 开关致动器的枢转运动驱动从致动器突出的手指朝向凸弓状的板簧,将板簧的中间部分压到不稳定的凹状状态。 板簧抵抗致动器运动,最初以增加的力而改变为致动器运动中的可预测点处的减小的力,以在固定到致动器的操作者处提供触觉反馈。 板簧是扁平梁。 通过选择具有不同宽度,厚度或其他可变参数的弹簧,在制造过程中弹簧力和转换点可以容易地和可预测地变化。 模块化块将弹簧保持在弯曲状态,并通过支撑板相对于致动器指状物定位。 致动器指状件将弹簧驱动抵靠导电橡胶块,将块抵抗印刷电路上的间隔的导体,以完成电路。 多个这样的开关通过在基座和盖之间层叠印刷电路,绝缘片,具有凸起的凸起的导电橡胶片,止动支撑板和具有弓形弹簧的多个制动块来制成共同的封装。 背光照明由作为附加层捕获在盖上的光管提供。 连接到内部印刷电路的微处理器板连接到基座外部的开关壳体。
    • 9. 发明授权
    • Self-powered wireless transducer
    • 自供电无线传感器
    • US06259372B1
    • 2001-07-10
    • US09235212
    • 1999-01-22
    • Michael G. TaranowskiDavid L. McClanahanDavid S. TottenJames J. Kinsella
    • Michael G. TaranowskiDavid L. McClanahanDavid S. TottenJames J. Kinsella
    • G08B2100
    • G08C17/02G01M13/045
    • A self-powered wireless transducer is disclosed for monitoring external physical conditions, such as excessive vibrations in a bearing. The transducer includes an energy conversion source, such as a piezoelectric sensor to sense the external physical condition and create a power and characteristic signal that is used to power an RF transmitting circuit. A transmitter is provided to transmit signals indicative of the external physical condition, or changes in that physical condition, such as increased vibrations in a bearing to detect bearing faults before a breakdown. In this manner, the monitored machinery can be shutdown in an orderly manner and preventative maintenance can be completed. The self-powered wireless transducer includes an voltage storage device to receive electrical voltage from the piezoelectric sensor and a voltage detector to detect the level of voltage on the voltage storage device. Once the voltage detector detects a level of voltage at a predetermined level, an oscillating transmitting circuit is activated for a brief hysteresis period of the voltage detector. The information transmitted not only includes any fault detection, it also includes an address of the origin of the transmission.
    • 公开了一种用于监测外部物理条件(例如轴承中的过度振动)的自供电无线换能器。 换能器包括能量转换源,例如用于感测外部物理状况的压电传感器,并且产生用于为RF发射电路供电的功率和特征信号。 提供发射机以发射指示外部物理状况的信号,或者在该物理条件下的改变,例如在轴承内增加的振动,以便在击穿之前检测轴承故障。 以这种方式,可以有序地关闭受监视的机器,并且可以完成预防性的维护。 自供电无线传感器包括用于从压电传感器接收电压的电压存储装置和用于检测电压存储装置上的电压电平的电压检测器。 一旦电压检测器检测到预定电平的电平,则振荡发射电路在电压检测器的短暂滞后期间被激活。 传输的信息不仅包括任何故障检测,还包括传输原点的地址。
    • 10. 发明授权
    • Continuously variable capacitive switch
    • 连续可变电容开关
    • US5768088A
    • 1998-06-16
    • US610040
    • 1996-03-04
    • Edwin D. LorenzMichael G. Taranowski
    • Edwin D. LorenzMichael G. Taranowski
    • H03K17/975H01G5/00
    • H03K17/975
    • A multiple position or continuously variable capacitive switch which operates by producing a series of discernable changes in the capacitance between a pair of conductors (14,16) disposed in a spaced coplanar relationship on a surface of a non-conductive substrate (12). A dielectric layer (18) is applied over the conductors (14,16) and exposed areas of the substrate (12) surface. A resilient conductive pad (20) is positioned atop the dielectric layer (18) and a user movable actuator (28) is moved to controllably increase the capacitance between the conductors (14,16) by creating progressively greater areas of compression between conductive pad (20) and dielectric layer (18).
    • 一种多位置或连续可变电容开关,其通过在非导电衬底(12)的表面上以间隔共面关系设置的一对导体(14,16)之间产生一系列可辨别的电容变化来操作。 介电层(18)施加在导体(14,16)和衬底(12)表面的暴露区域上。 弹性导电垫(20)位于电介质层(18)的顶部,并且用户可移动致动器(28)被移动以通过在导电垫(14,16)之间产生逐渐更大的压缩面积来可控地增加导体(14,16)之间的电容 20)和电介质层(18)。