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    • 5. 发明授权
    • Environment-responsive method for maintaining an electronic device
    • 用于维护电子设备的环境响应方法
    • US5944741A
    • 1999-08-31
    • US021678
    • 1998-02-10
    • Dennis E. OchsIan G. MacDuffDaniel J. Powers
    • Dennis E. OchsIan G. MacDuffDaniel J. Powers
    • A61N1/39
    • A61N1/3925
    • A method of indicating operational status of an electronic device, the device providing an indication of device operational status as a result of a self-test, the method including the following steps: monitoring an environmental condition; changing an indication of device operational status from a first indication to a second indication if the monitored environmental condition changes from a first condition to a second condition, this changing step being performed without performing a self-test. In certain embodiments, the monitored environmental condition is a monitored temperature, the first condition is a first temperature and the second condition is a second temperature. The electronic device may be battery-operated, in which case the self-test is a battery capacity test. In these embodiments, the method also may include the step of performing the battery capacity test when the monitored temperature reaches the second temperature if there is no indication of device operational status corresponding to the second temperature stored in memory, the second temperature is lower than a temperature associated with an indication of a non-waning device operational status stored in memory, and the second temperature is higher than a temperature associated with an indication of a warning operational status; and indicating device operational status as a result of the battery capacity test. The method may also include the step of storing in memory an association between the second temperature and device operational status.
    • 一种指示电子设备的操作状态的方法,所述设备提供作为自检的结果的设备操作状态的指示,所述方法包括以下步骤:监视环境条件; 如果所监视的环境条件从第一状态改变到第二状态,则将设备操作状态的指示从第一指示改变为第二指示,该改变步骤在不执行自检的情况下执行。 在某些实施方案中,所监测的环境条件是监测温度,第一条件是第一温度,第二条件是第二温度。 电子设备可以是电池供电的,在这种情况下,自检是电池容量测试。 在这些实施例中,该方法还可以包括当所监视的温度达到第二温度时执行电池容量测试的步骤,如果没有与存储在存储器中的第二温度对应的设备操作状态的指示,则第二温度低于 与存储在存储器中的不减少设备操作状态的指示相关联的温度,并且第二温度高于与警告操作状态的指示相关联的温度; 并通过电池容量测试指示设备运行状态。 该方法还可以包括在存储器中存储第二温度和设备操作状态之间的关联的步骤。
    • 6. 发明授权
    • Environment-response method for maintaining an external medical device
    • 用于维护外部医疗设备的环境响应方法
    • US5904707A
    • 1999-05-18
    • US911710
    • 1997-08-15
    • Dennis E. OchsIan G. MacDuffDaniel J. Powers
    • Dennis E. OchsIan G. MacDuffDaniel J. Powers
    • A61N1/39
    • A61N1/3925
    • A method of indicating operational status of an electronic device, the device providing an indication of device operational status as a result of a self-test, the method including the following steps: monitoring an environmental condition; changing an indication of device operational status from a first indication to a second indication if the monitored environmental condition changes from a first condition to a second condition, this changing step being performed without performing a self-test. In certain embodiments, the monitored environmental condition is a monitored temperature, the first condition is a first temperature and the second condition is a second temperature. The electronic device may be battery-operated, in which case the self-test is a battery capacity test. In these embodiments, the method also may include the step of performing the battery capacity test when the monitored temperature reaches the second temperature if there is no indication of device operational status corresponding to the second temperature stored in memory, the second temperature is lower than a temperature associated with an indication of a non-warning device operational status stored in memory, and the second temperature is higher than a temperature associated with an indication of a warning operational status; and indicating device operational status as a result of the battery capacity test. The method may also include the step of storing in memory an association between the second temperature and device operational status.
    • 一种指示电子设备的操作状态的方法,所述设备提供作为自检的结果的设备操作状态的指示,所述方法包括以下步骤:监视环境条件; 如果所监视的环境条件从第一状态改变到第二状态,则将设备操作状态的指示从第一指示改变为第二指示,该改变步骤在不执行自检的情况下执行。 在某些实施方案中,所监测的环境条件是监测温度,第一条件是第一温度,第二条件是第二温度。 电子设备可以是电池供电的,在这种情况下,自检是电池容量测试。 在这些实施例中,该方法还可以包括当所监视的温度达到第二温度时执行电池容量测试的步骤,如果没有与存储在存储器中的第二温度对应的设备操作状态的指示,则第二温度低于 与存储在存储器中的非警告装置操作状态的指示相关联的温度,并且第二温度高于与警告操作状态的指示相关联的温度; 并通过电池容量测试指示设备运行状态。 该方法还可以包括在存储器中存储第二温度和设备操作状态之间的关联的步骤。
    • 7. 发明授权
    • Method and apparatus for aperiodic self-testing of a defibrillator
    • 除颤器的非周期自检的方法和装置
    • US5899925A
    • 1999-05-04
    • US910970
    • 1997-08-07
    • Dennis E. OchsCarlton B. Morgan
    • Dennis E. OchsCarlton B. Morgan
    • A61N1/39
    • A61N1/3931
    • A method and circuit are described for automatically testing various components of a defibrillator at random or otherwise aperiodic time intervals. A random number is generated that falls within a range of numbers corresponding to minimum and maximum acceptable time intervals between successive testing of the defibrillator. Ambient conditions can be measured and the acceptable range of numbers adjusted accordingly. High energy test procedures may be performed less frequently, as appropriate for the measured ambient conditions. The range of numbers can also be adjusted to provide greater frequency testing where desirable, such as following a use of the defibrillator, following a repair of the defibrillator, to detect infant mortality effects, or to detect wear-out effects. The defibrillator includes a testing circuit for testing the various other components. The testing circuit includes a controller coupled with a timer, a random number generator, a memory, and an ambient condition sensor.
    • 描述了用于以随机或其他非周期时间间隔自动测试除颤器的各种组件的方法和电路。 产生一个随机数,该随机数落在对应于除颤器的连续测试之间的最小和最大可接受时间间隔的数字范围内。 可以测量环境条件,并相应地调整可接受的数字范围。 对于测量的环境条件,可以较不频繁地执行高能量测试程序。 也可以调整数字范围,以便在需要的情况下提供更高的频率测试,例如在除颤器修复之后使用除颤器,检测婴儿死亡率效应或检测磨损效应。 除颤器包括用于测试各种其它部件的测试电路。 测试电路包括与定时器耦合的控制器,随机数发生器,存储器和环境条件传感器。
    • 8. 发明授权
    • System for exchanging information in a battery mailbox
    • 用于在电池邮箱中交换信息的系统
    • US5625291A
    • 1997-04-29
    • US442435
    • 1995-05-16
    • Gregory D. BrinkCarl E. BenvegarDennis E. OchsJonathan N. Andrews
    • Gregory D. BrinkCarl E. BenvegarDennis E. OchsJonathan N. Andrews
    • H01M10/42H01M10/44H01M10/48H02J7/00H02J1/04
    • H01M10/48H02J7/0004Y10S320/13
    • A system having a battery, a battery support unit, and an electronic device provides for the exchange of information between the battery support unit and the electronic device via a mailbox in memory in the battery. When the battery is placed in the battery support unit, the battery support unit tests the battery for an error condition. If the battery support unit finds an error condition with the battery, it transmits error data to a mailbox located in the battery's memory. When the battery is then removed from the battery support unit and placed in an electronic device, the electronic device can read the error data in the mailbox and take an appropriate action. For example, the electronic device reads the mailbox and find the error data placed there by the battery support unit. In response to finding this error data, the electronic device enables an indicator, such as an indicator that informs a user that maintenance needs to be performed on the battery. The user can continue using the battery, knowing that its operation is likely to be unreliable, or can remove it from the electronic device and insert it into the battery support unit for maintenance. When battery maintenance has been selected, the battery support unit reconditions the battery by performing a predetermined number of charge/discharge cycles, and also performs additional testing on the battery.
    • 具有电池,电池支撑单元和电子装置的系统提供了通过电池存储器中的邮箱在电池支撑单元和电子设备之间的信息交换。 当电池被放置在电池支持单元中时,电池支持单元测试电池的错误状况。 如果电池支持单元发现电池的错误状况,则会将错误数据发送到位于电池存储器中的邮箱。 当电池从电池支撑单元中取出并放置在电子设备中时,电子设备可以读取邮箱中的错误数据并采取适当的措施。 例如,电子设备读取邮箱,并找到由电池支持单元放置在那里的错误数据。 响应于发现该错误数据,电子设备启用指示符,诸如通知用户需要对电池执行维护的指示器。 用户可以继续使用电池,知道其操作可能不可靠,或者可以将其从电子设备中取出并将其插入电池支持单元进行维护。 当选择电池维护时,电池支持单元通过执行预定数量的充电/放电循环来重新调整电池,并且还对电池进行附加测试。
    • 9. 发明授权
    • Method for calibrating a system for recording and playing back ECG
signals
    • 校准用于记录和回放ECG信号的系统的方法
    • US5553623A
    • 1996-09-10
    • US378338
    • 1995-01-26
    • Dennis E. Ochs
    • Dennis E. Ochs
    • A61B5/0436A61B5/0452G06F17/00A61B5/04A61B19/00
    • A61B5/0452A61B5/0436A61B5/7203A61B5/7225A61B5/7239A61B5/7257
    • An ECG recorder and playback unit which includes software-implemented digital signal processing filters which compensate for phase and magnitude distortion occurring when an ECG signal is recorded on a Holter recorder and played back. This permits "tuning" a recorder and playback unit which may be unrelated, as when made by different manufacturers. An impulse or step signal is recorded and played back to provide a system frequency response measurement. Coefficients for a digital correction filter are derived from the discrete Fourier transform of the impulse or step response and a desired system response. When recorded ECG data is played back, it is filtered on a substantially real-time basis with the digital correction filter to compensate for phase and magnitude distortion. Prior to recording, the high frequencies of the ECG signal are boosted to compensate for high frequency losses inherent in the recording and playing back of ECG signals. A calibration pulse and a system characterization pulse are derived by statistically selecting from a plurality of pulses and averaging the selected pulses in order to minimize the effects of noise and tape defects in the pulses. High frequency components of the ECG signal can be amplified prior to recording the signal. This results in decreased amplification, and therefore noise, when the recorded signals are played back. Cardiac pacer pulse detection is performed prior to the step of filtering the played back signal to optimize pulse detection.
    • 一种ECG记录器和回放单元,其包括软件实现的数字信号处理滤波器,其补偿当ECG信号记录在Holter记录器上并重放时发生的相位和幅度失真。 这允许“调谐”与不同制造商制造的记录器和播放单元可能是无关的。 记录和重放脉冲或步进信号以提供系统频率响应测量。 用于数字校正滤波器的系数从脉冲或阶跃响应的离散傅里叶变换和期望的系统响应导出。 当记录的ECG数据被重放时,用数字校正滤波器基本上实时地对其进行滤波以补偿相位和幅度失真。 在记录之前,提高ECG信号的高频以补偿ECG信号的记录和回放中固有的高频损耗。 通过从多个脉冲统计学选择并平均所选择的脉冲来导出校准脉冲和系统表征脉冲,以便最小化脉冲中噪声和磁带缺陷的影响。 在记录信号之前,可以对ECG信号的高频分量进行放大。 当记录的信号被播放时,这导致放大减小,因此导致噪声。 在滤波回放信号的步骤之前执行心脏起搏器脉冲检测以优化脉冲检测。
    • 10. 发明授权
    • ECG recorder and playback unit
    • 心电记录仪和播放单元
    • US5406955A
    • 1995-04-18
    • US31437
    • 1993-03-12
    • J. Daren BledsoeDavid L. BurtonBrian C. DunnBrian D. SetterbergDennis E. OchsDavid E. SmithEdward L. FeldhousenHoward E. Hilton
    • J. Daren BledsoeDavid L. BurtonBrian C. DunnBrian D. SetterbergDennis E. OchsDavid E. SmithEdward L. FeldhousenHoward E. Hilton
    • A61B5/0436A61B5/0452G06F17/00A61B5/0432
    • A61B5/0452A61B5/0436A61B5/7203A61B5/7225A61B5/7239A61B5/7257
    • An ECG recorder and playback unit which includes software-implemented digital signal processing filters which compensate for phase and magnitude distortion occurring when an ECG signal is recorded on a Holter recorder and played back. This permits "tuning" a recorder and playback unit which may be unrelated, as when made by different manufacturers. An impulse or step signal is recorded and played back to provide a system frequency response measurement. Coefficients for a digital correction filter are derived from the discrete Fourier transform of the impulse or step response and a desired system response. When recorded ECG data is played back, it is filtered on a substantially real-time basis with the digital correction filter to compensate for phase and magnitude distortion. Prior to recording, the high frequencies of the ECG signal are boosted to compensate for high frequency losses inherent in the recording and playing back of ECG signals. A calibration pulse and a system characterization pulse are derived by statistically selecting from a plurality of pulses and averaging the selected pulses in order to minimize the effects of noise and tape defects in the pulses. High frequency components of the ECG signal can be amplified prior to recording the signal. This results in decreased amplification, and therefore noise, when the recorded signals are played back. Cardiac pacer pulse detection is performed prior to the step of filtering the played back signal to optimize pulse detection.
    • 一种ECG记录器和回放单元,其包括软件实现的数字信号处理滤波器,其补偿当ECG信号记录在Holter记录器上并重放时发生的相位和幅度失真。 这允许“调谐”与不同制造商制造的记录器和播放单元可能是无关的。 记录和重放脉冲或步进信号以提供系统频率响应测量。 用于数字校正滤波器的系数从脉冲或阶跃响应的离散傅里叶变换和期望的系统响应导出。 当记录的ECG数据被重放时,用数字校正滤波器基本上实时地对其进行滤波以补偿相位和幅度失真。 在记录之前,提高ECG信号的高频以补偿ECG信号的记录和回放中固有的高频损耗。 通过从多个脉冲统计学选择并平均所选择的脉冲来导出校准脉冲和系统表征脉冲,以便最小化脉冲中噪声和磁带缺陷的影响。 在记录信号之前,可以对ECG信号的高频分量进行放大。 当记录的信号被播放时,这导致放大减小,因此导致噪声。 在滤波回放信号的步骤之前执行心脏起搏器脉冲检测以优化脉冲检测。