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    • 1. 发明授权
    • Personal event monitor with linear omnidirectional response
    • 具有线性全向响应的个人事件监视器
    • US06361508B1
    • 2002-03-26
    • US09553177
    • 2000-04-20
    • Mark A. JohnsonPaul J. Cote
    • Mark A. JohnsonPaul J. Cote
    • A61B5103
    • A61B5/1123A61B5/11
    • A monitor device for monitoring the activity of an individual to provide an alarm for anomalous by the individual. The device includes a triaxial accelerometer adapted to measure simultaneously measure acceleration in three orthogonal, linear axes and generate a voltage output identifying the amplitude and frequency of detected motion by the individual in each axis. Also included is interface electronics for receiving the voltage outputs and buffering the voltage outputs to generate a first reference voltage for each axis of the accelerometer. Amplifier electronics amplifies each voltage output and compares each voltage output to the first reference voltage to produce a digital signal. A microcontroller receives the digital signal to compare it to an adjustable second reference voltage. The microcontroller is programmed to discriminate between normal activity and anomalous activity by identifying sensor activity within sequences of preselected time intervals and sending an alarm signal upon detection of the anomalous activity. An alarm for receiving the alarm signal and signaling an alarm completes the device.
    • 一种用于监测个人的活动以提供个人异常的警报的监视器装置。 该装置包括三轴加速度计,其适于同时测量三个正交的线性轴中的加速度,并产生一个电压输出,其识别各轴在每个轴上检测的运动的幅度和频率。 还包括用于接收电压输出和缓冲电压输出的接口电子器件,以为加速度计的每个轴产生第一参考电压。 放大器电子放大每个电压输出,并将每个电压输出与第一参考电压进行比较以产生数字信号。 微控制器接收数字信号以将其与可调节的第二参考电压进行比较。 微控制器被编程为通过在预选时间间隔的序列内识别传感器活动来识别正常活动和异常活动,并且在检测到异常活动时发送报警信号。 用于接收报警信号和发出报警信号的报警装置完成。
    • 2. 发明授权
    • Personal motion event monitor
    • 个人运动事件监视器
    • US5879309A
    • 1999-03-09
    • US919182
    • 1997-08-11
    • Mark A. JohnsonPaul J. Cote
    • Mark A. JohnsonPaul J. Cote
    • A61B5/11G01P13/00G08B21/02A01B5/00
    • A61B5/4094A61B5/1126G01P13/00G08B21/02
    • A motion detection device for monitoring patient movement. The device includes a sensor adapted to generate a voltage from mechanical vibrations and a circuit in operable relationship with the voltage for generating an alarm upon detection of a predetermined signal. The circuit provides a fixed impedance to the sensor. A micro controller is used for analyzing the signal to select from first and second conditions by sensing activity within sequences of preselected time intervals. The first condition represents a medical condition and the second condition represents casual motion. A switch is used for setting a time interval and a total sampling time for the micro controller. An alarm signal generates an alarm upon detection by the microprocessor of a predetermined activity. The preferred sensor comprises a housing having an outer shell and a hollow spherical opening therein. A plurality of inner spherical bodies are adapted to move freely inside the spherical opening to produce detectable mechanical vibration in the outer shell. A piezoelectric film is attached to a portion of the outer shell to generate a voltage from the mechanical vibrations.
    • 一种用于监测患者运动的运动检测装置。 该装置包括适于从机械振动产生电压的传感器和与用于在检测到预定信号时产生警报的电压可操作的电路。 该电路为传感器提供固定的阻抗。 微控制器用于通过在预选时间间隔的序列内感测活动来分析从第一和第二条件选择的信号。 第一个条件代表医疗状况,第二个条件代表休闲运动。 用于设置微控制器的时间间隔和总采样时间的开关。 在由微处理器检测到预定活动时,报警信号产生报警。 优选的传感器包括其中具有外壳和中空球形开口的壳体。 多个内球形体适于在球形开口内自由移动,以在外壳中产生可检测的机械振动。 压电膜附着到外壳的一部分以产生来自机械振动的电压。
    • 3. 发明授权
    • Smart electronic muzzle reference light source
    • 智能电子枪口参考光源
    • US6072400A
    • 2000-06-06
    • US368466
    • 1999-07-15
    • Mark A. JohnsonPaul J. Cote
    • Mark A. JohnsonPaul J. Cote
    • F41A1/00G08B3/00
    • F41A1/00
    • An electronic light source which replaces the hazardous tritium light sou used in the existing Muzzle Reference System (MRS) found on the M1 Series of tanks. The MRS is mounted near the muzzle end of the gun (opposite the breech) and is used by tank gunness to measure gun deflection for calibration of the tank's fire control computer to optimize accuracy. The electronic light source is an LED which is activated by the pulses from a microcontroller based on the input received from a small, low power, omnidirectional motion sensor which detects the movement of the tank mounted on the tank. In the current implementation, the motion sensor comprises a conductive rolling sphere in a cylindrical chamber having a conductive wall with one electrical pole and end plates electrically insulated from the conductive wall and having the other electrical pole such that movement of the element caused by movement of the cylinder will generate intermittent electrical contact between one end plate and the cylinder wall. The signals produced are fed to the microcontroller which through the operation of its oscillator energizes the LED. The oscillator frequency is selected to eliminate EMI detection. The activation of the LED is prepared in such a manner to extend battery lite by minimizing power drain, a thermometer is employed for temperature control of the LED and other electronic circuit elements.
    • 一种电子光源,代替在M1系列坦克上发现的现有枪支参考系(MRS)中使用的危险氚光源。 MRS安装在枪口(枪口对面)的枪口附近,并通过坦克炮使用来测量枪偏转,以校准坦克的消防控制计算机以优化精度。 电子光源是由微控制器的脉冲基于从小的,低功率的全向运动传感器接收的输入激活的LED,其检测安装在罐上的罐的运动。 在当前的实现中,运动传感器包括在圆柱形腔室中的导电滚动球体,其具有导电壁,该导电壁具有一个电极和与导电壁电绝缘的端板,并且具有另一个电极,使得元件的移动 气缸将在一个端板和气缸壁之间产生间歇性电接触。 产生的信号馈送到微控制器,通过其振荡器的操作激励LED。 选择振荡器频率以消除EMI检测。 LED的激活以通过最小化功率消耗来延长电池容量的方式制备,温度计用于LED和其它电子电路元件的温度控制。