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    • 1. 发明授权
    • Load cell with bossed sensor plate for an electrical weighing scale
    • 称重传感器带有用于电子称重秤的传感器板
    • US06417466B2
    • 2002-07-09
    • US09146890
    • 1998-09-03
    • Chris GrossDamon Germanton
    • Chris GrossDamon Germanton
    • G01G314
    • G01G3/12
    • A sensor plate for use in a load cell for use in an electronic scale comprising a planar first surface; a planar second surface opposite the first surface having a depression formed therein defining a flexure area; a load cavity formed in the second surface having a conical receptacle end for receiving a strut; and sensors disposed over the flexure area for generating a signal in response to a load applied to the loading cavity wherein the strut has a first conical projection end coupled to the conical receptacle end of the loading cavity and a second end coupled to a footer member such that the strut mechanically floats therebetween for providing the applied load at a substantially central position at the load cavity.
    • 一种用于电子秤中的测力传感器的传感器板,包括平面第一表面; 与所述第一表面相对的平坦的第二表面具有形成在其中的凹陷部,限定弯曲区域; 在所述第二表面中形成的负载腔具有用于接收支柱的锥形容纳端; 以及设置在所述弯曲区域上的传感器,用于响应于施加到所述加载腔的负载而产生信号,其中所述支柱具有联接到所述加载腔的所述圆锥形容纳端的第一锥形突出端,以及联接到所述鞋底构件的第二端 支柱在其间机械浮动,以在负载腔的基本中心位置处提供施加的载荷。
    • 5. 发明授权
    • Electronic thermometer and associated apparatus
    • 电子温度计及相关设备
    • US4536851A
    • 1985-08-20
    • US436022
    • 1982-10-22
    • Damon GermantonCharles GermantonDonald Weiss
    • Damon GermantonCharles GermantonDonald Weiss
    • G01K1/02G01K7/20G01K13/00G01K1/08
    • G01K13/002G01K1/028G01K7/206
    • An electronic thermometer is particularly adapted for use as a fever thermometer and employs a unique temperature sensor configuration comprising a platinum temperature sensing resistor and tantalum nitride reference resistor both mounted on the same substrate. The resistors are selectively coupled to the input of a dual ramp integrator forming part of an analog to digital converter. Digital control circuitry causes the sensing resistor to be coupled to the input of the integrator during a first mode and causes the reference resistor to be coupled to the input during a second mode. Included in the digital circuitry is a first sensor memory and a second reference memory. These memories have stored therein a digital number indicative of the response of both resistors at a predetermined temperature obtained during initial calibration of the sensor and thermometer. The stored values are compared during the respective mode with the accumulated count in a clock counting circuit. If a match occurs the electronics advance the sequence to enable any excess count occurring during the second mode to be monitored and eventually displayed as manifesting the measured temperature. The digital electronics controls the measurement process in a sequential manner to assure accuracy and stability of the final reading. The circuitry enables a display of the last measured temperature prior to making a new measurement, and further includes circuitry for monitoring the level of a lithium battery source which is permanently sealed within the unit and to permanently disable the unit when the source is no longer capable of providing sufficient voltage to secure accuracy.While a fever thermometer for home or hospital use is disclosed, the techniques are applicable for other types of temperature measurements; such as laboratory equipment, monitoring, laboratory and industrial controllers, indoor or outdoor thermometers for the home or office.
    • 电子温度计特别适合用作发烧温度计,并且采用独特的温度传感器配置,其包括安装在同一基板上的铂温度感测电阻器和氮化钽参考电阻器。 电阻器选择性地耦合到构成模数转换器的一部分的双斜坡积分器的输入端。 数字控制电路使得感测电阻器在第一模式期间耦合到积分器的输入,并且使得参考电阻器在第二模式期间耦合到输入端。 包括在数字电路中的是第一传感器存储器和第二参考存储器。 这些存储器中存储有表示两个电阻器在传感器和温度计的初始校准期间获得的预定温度下的响应的数字编号。 将存储的值在各个模式期间与时钟计数电路中的累加计数进行比较。 如果发生匹配,则电子装置推进序列,以使得能够监视在第二模式期间发生的任何超出计数,并且最终显示为显示测量的温度。 数字电子设备以顺序方式控制测量过程,以确保最终读数的准确性和稳定性。 该电路使得能够在进行新的测量之前显示最后测量的温度,并且还包括用于监测锂电池源的电平的电路,该锂电池源永久地密封在该单元内并且当源不再能够永久地禁用该单元 提供足够的电压以确保精度。 虽然公开了用于家庭或医院使用的发烧温度计,但是该技术适用于其他类型的温度测量; 例如实验室设备,监控,实验室和工业控制器,家庭或办公室的室内或室外温度计。
    • 8. 发明授权
    • Variable speed DC motor controller apparatus particularly adapted for
control of portable-power tools
    • 变速直流电动机控制装置,特别适用于便携式电动工具的控制
    • US5014793A
    • 1991-05-14
    • US335744
    • 1989-04-10
    • Damon GermantonMenahem Lehr
    • Damon GermantonMenahem Lehr
    • B25B21/00B25F5/00H02P1/18H02P7/29
    • H02P1/18B25B21/00B25F5/001H02P7/29Y10T408/165
    • A portable electric power tool having a DC motor for driving tool bit is controlled according to speed and torque by employing a zero displacement switch means which is coupled to the tool and operative to provide an output voltage porportional to the pressure applied to the switch means via the hand of the user. The zero displacement switch interfaces with a piezoresistive array which produces a voltage output proportional to the pressure applied to the zero displacement switch. The voltage output of the array is applied to control circuit means which are coupled to the motor and which controls the speed of the motor according to the pressure applied to the switch. There is further included motor control circuitry which operates to monitor the current through the DC motor to control the speed of the motor according to the torque imparted upon the tool bit being accommodated by the portable electric tool.
    • 具有用于驱动工具钻头的直流电动机的便携式电动工具通过采用零位移开关装置来控制,所述零位移开关装置联接到所述工具并且可操作地提供与加到所述开关装置上的压力分配的输出电压 用户的手。 零位开关与压阻阵列接口,其产生与施加到零位开关的压力成比例的电压输出。 阵列的电压输出被施加到耦合到电动机的控制电路装置,并且根据施加到开关的压力来控制电动机的速度。 还包括电动机控制电路,其操作以监视通过直流电动机的电流,以根据由便携式电动工具容纳的工具头施加的扭矩来控制电动机的速度。
    • 9. 发明授权
    • Electronic scale apparatus
    • 电子秤装置
    • US4832142A
    • 1989-05-23
    • US180154
    • 1988-04-11
    • Damon Germanton
    • Damon Germanton
    • G01G19/44G01G21/23
    • G01G19/44G01G21/23Y10S177/09
    • Electronic scale apparatus is provided wherein a force collecting lever system, disposed within a base, receives forces imposed upon a cover for that base from force communicating members disposed near peripheral locations on the cover. At each of the peripheral locations the cover is biasingly attached to the base to prevent instability of the cover or displacement thereof as a result of forces imposed on the cover. The forces imposed on the lever system by the force communicating members are collected, concentrated at a point and transmitted to a force collecting beam where the force is applied to a transducer beam having a transducer thereon where the precisely collected resultant force is measured.
    • 提供了电子秤装置,其中设置在基座内的力收集杠杆系统承受施加在用于该基座的盖的力,该力被设置在盖周围的位置附近的力连通构件。 在每个周边位置,盖子偏置地连接到基座,以防止盖子的不稳定性或由于施加在盖子上的力而使其移位。 通过力连通构件施加在杠杆系统上的力被收集,集中在一个点处并传递到力收集束,其中施加力到其上具有测量器的精确收集的合力的换能器的换能器束。