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    • 5. 发明授权
    • Pulse counter and pulse display method
    • 脉冲计数器和脉冲显示方式
    • US6099478A
    • 2000-08-08
    • US180727
    • 1999-11-12
    • Ichiro AoshimaTsukasa Kosuda
    • Ichiro AoshimaTsukasa Kosuda
    • A61B5/0245A61B5/024A61B5/11G04G21/02A61B5/02
    • G04G21/025A61B5/02438A61B5/7257
    • A pulse counter is provided in which the value displayed for the detected value is highly reliable. An SN condition detecting means detects the SN condition of a pulse wave signal (step S201). The SN condition detecting means then determines whether or not the detected SN condition is good based on a specific threshold value (step S202). When a determination is made that the SN condition is good, a display control signal to display the pulse rate on a display means is output to a display method switching means (step S203). Conversely, when a determination is made in step S202 that the SN condition is not good, the pulse rate is not displayed on the display means, but rather a display control signal indicating that no information at all be displayed is output to the display method switching means (step S204).
    • PCT No.PCT / JP98 / 01142 Sec。 371日期:1998年11月12日 102(e)1998年11月12日日期PCT 1998年3月18日PCT PCT。 公开号WO98 / 41142 日期1998年9月24日提供了一个脉冲计数器,其中为检测值显示的值是高度可靠的。 SN条件检测装置检测脉波信号的SN条件(步骤S201)。 SN条件检测装置然后基于特定阈值来确定检测到的SN条件是否良好(步骤S202)。 当确定SN条件良好时,将显示装置上显示脉率的显示控制信号输出到显示方式切换装置(步骤S203)。 相反,当在步骤S202中确定SN条件不好时,在显示装置上不显示脉率,而是将显示无显示信息的显示控制信号输出到显示方式切换 手段(步骤S204)。
    • 6. 发明授权
    • Biosignal display apparatus
    • 生物信号显示装置
    • US5857465A
    • 1999-01-12
    • US515351
    • 1995-08-15
    • Chiaki NakamuraTsukasa Kosuda
    • Chiaki NakamuraTsukasa Kosuda
    • A61B5/0245A61B5/02A61B5/024A61B5/044
    • A61B5/681A61B5/02438A61B5/7257
    • A variable accuracy biosignal detector includes a biosignal detector for detecting a biosignal such as a pulse wave from a living body and supplies the detected signal to a biosignal analog-to-digital converter. The analog-to-digital converter converts the biosignal to digital biosignal data values and stores the data in a memory. An input switch generates a start signal. In response to the start signal, a timing signal generating circuit generates a timing signal used as a sampling signal for driving the analog-to-digital converter and changes the sampling frequency of the analog-to-digital converter progressively on a time series basis. A biosignal calculating circuit performs frequency domain analysis when the number of stored digital biosignal data values reaches a predetermined value. By progressively reducing the sampling frequency of the analog-to-digital converter, measured results can be quickly displayed, while the accuracy of the displayed results is progressively increased.
    • 可变精度生物信号检测器包括用于检测诸如来自生物体的脉搏波的生物信号的生物信号检测器,并将检测到的信号提供给生物信号模数转换器。 模数转换器将biosignal转换为数字生物信号数据值,并将数据存储在存储器中。 输入开关产生起始信号。 响应于起始信号,定时信号发生电路产生用作驱动模数转换器的采样信号的定时信号,并且以时间序列的方式逐渐改变模数转换器的采样频率。 当存储的数字生物信号数据值的数量达到预定值时,生物信号计算电路执行频域分析。 通过逐渐降低模数转换器的采样频率,可以快速显示测量结果,同时显示结果的精度逐渐提高。
    • 9. 发明授权
    • Pulse wave detecting device and pulse measurer
    • 脉冲波检测装置和脉冲测量仪
    • US6155983A
    • 2000-12-05
    • US180341
    • 1998-11-04
    • Tsukasa KosudaChiaki Nakamura
    • Tsukasa KosudaChiaki Nakamura
    • A61B5/0245A61B5/024A61B5/11A61B5/00
    • A61B5/721A61B5/024A61B5/02438A61B5/02427A61B5/02455A61B5/7257
    • The present invention relates to a pulse wave detecting device for detecting pulse waves, and to a pulse measurer employing this pulse wave detecting device. The present invention addresses the problem of obtaining a pulse wave signal in which the noise components have been suitably removed from a pulse waveform, and of determining the pulse rate with high accuracy based on this pulse wave signal.The method for deriving the pulse wave signal and pulse rate is as follows.The pulse wave signal from pulse wave detecting sensor unit (30) is temporarily stored in buffer (503). When impulse noise is detected in the pulse wave signal in buffer (503) by impulse noise detecting means (505), the band pass for first digital filter (506) becomes a hill-shaped curve centered on the frequency corresponding to the preceding pulse rate, and impulse noise in the pulse wave signal output from buffer (503) is decreased. Thereafter, overall noise and body movement components are decreased in the pulse wave signal by means of second digital filter (507) and third digital filter (508). The signal is then subjected to frequency analysis by frequency analyzer (509), and the pulse rate is calculated from the results of this analysis.
    • PCT No.PCT / JP98 / 01128 Sec。 371日期:1998年11月4日 102(e)1998年11月4日日期PCT提交1998年3月17日PCT公布。 公开号WO98 / 41143 日期:1998年9月24日本发明涉及一种用于检测脉搏波的脉波检测装置以及采用该脉波检测装置的脉搏测量装置。 本发明解决了获得脉波信号的问题,其中已经从脉搏波形中适当地去除噪声分量,并且基于该脉搏波信号高精度地确定脉搏率。 用于导出脉搏波信号和脉率的方法如下。 来自脉波检测传感器单元(30)的脉波信号临时存储在缓冲器(503)中。 当通过脉冲噪声检测装置(505)在缓冲器(503)中的脉搏波信号中检测到脉冲噪声时,第一数字滤波器(506)的通带成为以对应于先前脉搏率的频率为中心的山形曲线 ,并且从缓冲器(503)输出的脉波信号中的脉冲噪声减小。 此后,借助于第二数字滤波器(507)和第三数字滤波器(508),脉冲波信号中的整体噪声和身体移动分量减小。 然后通过频率分析仪对信号进行频率分析(509),并根据该分析结果计算脉率。
    • 10. 发明授权
    • Pulsimeter
    • 脉动计
    • US6036653A
    • 2000-03-14
    • US964966
    • 1997-11-05
    • Norimitsu BabaMichio KobayashiTsukasa Kosuda
    • Norimitsu BabaMichio KobayashiTsukasa Kosuda
    • A61B5/024A61B5/0245A61B5/02
    • A61B5/726A61B5/02438A61B5/0245A61B5/7239A61B5/7257
    • A pulsimeter analyzes a pulse wave signal output by a pulse wave sensor worn on a part of the body while exercising, enables extraction of only the pulse wave component without being affected by movement of the body, and evaluates a detection state indicative of whether the pulse wave sensor is detecting the pulse. A pulse wave component extractor extracts a pulse wave component from the result of a time-frequency analysis of a pulse wave signal. A pulse rate calculator calculates the pulse rate per minute based on the pulse wave component extracted by the pulse wave component extractor. The pulse rate is then displayed. A detection state of the pulse wave sensor is also displayed by providing a detection state evaluator for determining the presence of a pulse wave component based on the result output by the pulse wave component extractor.
    • 脉搏计分析在运动时佩戴在身体一部分上的脉搏波传感器输出的脉波信号,仅能够提取脉搏波分量而不受身体运动的影响,并评估指示脉搏波的检测状态 波传感器正在检测脉冲。 脉波成分提取器从脉搏波信号的时间 - 频率分析的结果中提取脉波成分。 脉搏率计算器基于由脉波成分提取器提取的脉搏波分量来计算每分钟脉搏数。 然后显示脉率。 通过提供用于基于由脉波成分提取器输出的结果确定脉搏波分量的存在的检测状态评估器,还显示脉搏波传感器的检测状态。