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    • 2. 发明授权
    • Blood oximeter
    • 血液血氧仪
    • US08417307B2
    • 2013-04-09
    • US12679966
    • 2008-09-24
    • Cristian PresuraCarsten HeinksOlaf SuchGary Nelson Garcia MolinaGert Hooft
    • Cristian PresuraCarsten HeinksOlaf SuchGary Nelson Garcia MolinaGert Hooft
    • A61B5/1455A61B5/02
    • A61B5/14551A61B5/721
    • The invention relates to a blood oximeter for measuring the oxygenation and at least one other parameter of flowing blood in living tissue. According to the invention, the blood oximeter comprises two lightsources (2, 3) emitting light of different wavelengths into tissue, and preferably a light detector (4) for detecting a transmitted and/or reflected part of the light emitted into the tissue, wherein at least one of the light sources is a laser with a laser cavity emitting a laser beam, the laser being adapted to allow a part of the laser beam which is scattered by the tissue to re-enter into the laser cavity, and wherein a laser beam sensor (7, 8) for measuring the light emitted from the laser is provided, the laser beam sensor (7, 8), thus, obtaining a signal which varies in accordance with the self-mixing interferometric effect between the original laser beam and the scattered laser beam. Accordingly, such a blood oximeter is provided that performs well at low perfusion and which further allows for reliable measurements.
    • 本发明涉及一种血氧计,用于测量活组织中血液的氧合和至少一种其它参数。 根据本发明,血液计包括将不同波长的光发射到组织中的两个光源(2,3),并且优选地包括用于检测发射到组织中的光的透射和/或反射部分的光检测器(4),其中 光源中的至少一个是具有发射激光束的激光腔的激光器,所述激光器适于允许被组织散射的激光束的一部分重新进入激光腔,并且其中激光器 提供了用于测量从激光发射的光的光束传感器(7,8),激光束传感器(7,8)获得根据原始激光束与原始激光束之间的自混合干涉效应而变化的信号 分散的激光束。 因此,提供了这样一种在低灌注下表现良好并且进一步允许可靠测量的血液计。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR BIOMETRIC IDENTIFICATION
    • 用于生物识别的系统和方法
    • US20120076366A1
    • 2012-03-29
    • US13375609
    • 2010-06-07
    • Gary Nelson Garcia MolinaVojkan MihajlovicIvo Johannes Maria ErkensSri Andari Husen
    • Gary Nelson Garcia MolinaVojkan MihajlovicIvo Johannes Maria ErkensSri Andari Husen
    • G06K9/00
    • G06K9/0053G06K9/00597
    • A system (10) is provided for enabling biometric identification. The system (10) comprises at least two electrodes (12), a database (14) and a processor (13). The at least two electrodes (12) are to be applied to a face of a subject for capturing electrophysiological signals (51, 52, 53, 54) therefrom. The subject is one of the registered users. The database (14) comprises characteristic eye blink data of registered users. The processor (13) is operably coupled to the electrodes (12) and the database (14) and is operative to receive the electrophysiological signals (51, 52, 53, 54) from the at least two electrodes (12) during at least one eye blink of the subject, to derive eye blink characteristics from the obtained electrophysiological signals (51, 52, 53 54), to make a comparison of the derived eye blink characteristics with at least part of the characteristic eye blink data in the database (14) and to determine an identity of the subject, based on the comparison.
    • 提供了一种用于实现生物识别的系统(10)。 系统(10)包括至少两个电极(12),数据库(14)和处理器(13)。 将至少两个电极(12)施加到受试者的面部,以从其中捕获电生理信号(51,52,53,54)。 该主题是注册用户之一。 数据库(14)包括注册用户的特征性眨眼数据。 处理器(13)可操作地耦合到电极(12)和数据库(14),并且可操作以在至少一个电极(12)期间从至少两个电极(12)接收电生理信号(51,52,53,54) 从所获得的电生理信号(51,52,53,54)导出眨眼特征,从而比较导出的眼睛眨眼特征与数据库中的特征性眨眼数据的至少一部分(14) )并根据比较来确定受试者的身份。