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    • 5. 发明申请
    • LIGHT EMITTER AND SENSORS FOR DETECTING BIOLOGIC CHARACTERISTICS
    • 用于检测生物特性的发光器和传感器
    • WO2017205298A1
    • 2017-11-30
    • PCT/US2017/033859
    • 2017-05-22
    • INSYTE SYSTEMS
    • BHAT, Jerome ChandraOLSEN, Richard Ian
    • A61B5/1172G06K9/00
    • H04N5/2256A61B5/1172A61B2562/0233G06K9/0004G06K2009/00932G06K2009/00939
    • A bio-sensor device includes a surface for touching by a body part, such as a finger. A light source, such as an array of LEDs, emit light through the surface so as to be reflected and partially absorbed by the body part An array of photodetectors detects light reflected back by the body part and generates signals corresponding to an image of the light reflection, which corresponds to the light absorption pattern in the body part. The light absorption pattern may correlate to a fingerprint, a blood vessel pattern, blood movement within the blood vessels, or other biometric feature. A processor receives the signals from the photodetectors and analyzes the signals to determine a characteristic of the body part. The characteristic may be used to authenticate the user of the bio-sensor device by comparing the detected characteristic to a stored characteristic.
    • 生物传感器装置包括用于由诸如手指的身体部位接触的表面。 诸如LED阵列之类的光源通过表面发射光以便被身体部位反射和部分地吸收。光电探测器阵列探测由身体部位反射回来的光并产生对应于光的图像的信号 反射,其对应于身体部位的光吸收图案。 光吸收模式可以与指纹,血管模式,血管内的血液运动或其他生物特征相​​关。 处理器接收来自光电检测器的信号并分析信号以确定身体部位的特征。 该特性可以用于通过将检测到的特性与存储的特性进行比较来认证生物传感器装置的用户。
    • 8. 发明申请
    • METHOD, SYSTEM AND APPARATUS FOR MEASURING MULTIPLE SIGNALS IN A BODY
    • 用于测量身体中的多个信号的方法,系统和设备
    • WO2017127669A1
    • 2017-07-27
    • PCT/US2017/014319
    • 2017-01-20
    • MICROCHIP TECHNOLOGY INCORPORATED
    • BARTLING, D. Ryan
    • A61B5/024A61B5/1455A61B5/00H04B10/116
    • A61B5/02427A61B5/02416A61B5/02433A61B5/14551A61B5/14552A61B5/7203A61B5/7225A61B5/7228A61B5/7246A61B5/725A61B2560/0252A61B2562/0233G01J1/08G01J1/44G01J2001/4413G01J2001/444H04B10/116
    • A pulse oximetry measurement system uses a pseudo-random noise generator to stimulate one or more light emitting diodes (LEDs). The light amplitudes from these LEDs, after passing through a part of a body, are detected by a phototransistor or photodiode and digitized with an analog-to-digital converter (ADC). The digitized ADC light amplitude values are re-correlated with the outgoing pseudo-random noise stimulus. Spread spectrum techniques are known for their noise mitigation properties, and ability to pass multiple signals through the same medium without interference. Thus, these measurements can be performed substantially simultaneously with minimal interference from each other. The pulse oximetry measurement system correlates the measured light intensities using pseudo-random noise generation and phase division multiplexing, and computes the measured and correlated peak- to-peak detected light amplitudes to obtain a ratio between these light amplitudes for determining oxygen saturation in the blood, and may also be used for heart rate monitoring.
    • 脉搏血氧饱和度测量系统使用伪随机噪声发生器来刺激一个或多个发光二极管(LED)。 来自这些LED的光振幅在穿过身体的一部分之后,被光电晶体管或光电二极管检测到,并通过模数转换器(ADC)进行数字化。 数字化的ADC光振幅值与输出的伪随机噪声刺激重新相关。 扩频技术因其噪声抑制特性而闻名,并且能够在不受干扰的情况下通过同一介质传送多个信号。 因此,这些测量可以在彼此的干扰最小的情况下基本上同时进行。 脉搏血氧饱和度测量系统使用伪随机噪声生成和相位分割多路复用来关联测量的光强度,并且计算测量的和相关的峰值到峰值检测光振幅以获得这些光振幅之间的比率以确定血液中的氧饱和度 ,也可用于心率监测。