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    • 112. 发明申请
    • OPTICAL SIGNAL DETECTION CIRCUIT AND OPTICAL RECEIVER
    • 光信号检测电路和光接收器
    • US20140016949A1
    • 2014-01-16
    • US13981313
    • 2012-01-25
    • Hiroshi KoizumiMasafumi NogawaYusuke Ohtomo
    • Hiroshi KoizumiMasafumi NogawaYusuke Ohtomo
    • H04B10/60
    • H04B10/60H04B10/69H04B10/697
    • An optical signal detection circuit (10) includes an amplification circuit (11) that differentially amplifies an electrical signal (Tout) corresponding to the pulse train of an optical signal (Pin) and outputs a differential output signal (Aout), and a comparator (12) that compares the voltage value of the positive-phase signal of the differential output signal (Aout) with the voltage value of the negative-phase signal and outputs a pulsed comparison output signal (Cout) corresponding to the comparison result. The amplification circuit (11) includes a current addition circuit (11E) that adjusts a DC load current to generate a positive-phase signal (Aout+) and a negative-phase signal (Aout−) of the differential output signal (Aout) in accordance with an adjusted voltage value from an external adjusted voltage source (Vadj) and adjusts the DC bias of the positive-phase signal (Aout+) and the DC bias of the negative-phase signal (Aout−).
    • 光信号检测电路(10)包括对与光信号(Pin)的脉冲序列相对应的电信号(Tout)进行差分放大并输出差分输出信号(Aout)的放大电路(11)和比较器 12),其将差分输出信号(Aout)的正相信号的电压值与负相位信号的电压值进行比较,并输出与比较结果对应的脉冲比较输出信号(Cout)。 放大电路(11)包括电流相加电路(11E),该电流相加电路(11E)调节直流负载电流,以产生差分输出信号(Aout)的正相信号(Aout +)和负相位信号(Aout-) 具有来自外部调整电压源(Vadj)的调整电压值,并调节正相信号(Aout +)的直流偏置和负相位信号(Aout-)的直流偏置。
    • 115. 发明授权
    • Biologic information detecting apparatus
    • 生物信息检测装置
    • US08382675B2
    • 2013-02-26
    • US13183320
    • 2011-07-14
    • Naoe TataraKimihisa AiharaShinji MinoHiroshi KoizumiShoichi HayashidaTaisuke OguchiJunichi ShimadaShoichi SudoOsamu TochikuboHidetoshi Miura
    • Naoe TataraKimihisa AiharaShinji MinoHiroshi KoizumiShoichi HayashidaTaisuke OguchiJunichi ShimadaShoichi SudoOsamu TochikuboHidetoshi Miura
    • A61B5/02A61B5/00
    • A61B5/6816A61B5/021A61B5/02241A61B5/6817Y10T24/44427
    • In measurement requiring application of pressure to a tissue of a living body such as blood pressure measurement, noise due to vibration tends to occur. It is therefore difficult to accurately measure a pulse wave and a blood pressure value, and there is a problem of measuring blood pressure stably. It is also difficult to measure blood pressure in daily life activities or to measure blood pressure at predetermined intervals or continuously in a state where a tonometer is always attached. There is consequently a problem of providing a method of holding a biologic information detecting apparatus. The present invention has been achieved to solve the problems and an object of the invention is to provide an easy-to-wear biologic information detecting apparatus for stably detecting biologic information.In order to achieve the above object, biologic information detecting apparatus according to the invention has a structure in which the apparatus includes a sensor for detecting biologic information in a pair of arms connected via a spindle, and the sensor is tightly attached to a projecting part in a living body, particularly, a tragus of an auricle.
    • 在需要对诸如血压测量的生物体的组织施加压力的测量中,倾向于发生由振动引起的噪音。 因此难以精确地测量脉搏波和血压值,并且存在稳定地测量血压的问题。 在眼压计总是附着的状态下,也可以以规定的间隔或连续地测量日常生活活动中的血压或测量血压。 因此存在提供一种保持生物信息检测装置的方法的问题。 已经实现了本发明以解决这些问题,并且本发明的目的是提供一种用于稳定地检测生物信息的易于使用的生物信息检测装置。 为了实现上述目的,根据本发明的生物信息检测装置具有如下结构,该装置包括用于检测经由主轴连接的一对臂中的生物信息的传感器,并且传感器紧密地附接到突出部分 在一个活体,特别是一个耳廓的耳垢。
    • 118. 发明申请
    • Optical apparatus and imaging apparatus
    • 光学装置和成像装置
    • US20110051213A1
    • 2011-03-03
    • US12805182
    • 2010-07-16
    • Keita KaifuKazuhiro TanakaHiroshi Koizumi
    • Keita KaifuKazuhiro TanakaHiroshi Koizumi
    • G02B26/02
    • G02B13/0015G02B13/0075G02B26/004
    • An optical apparatus includes: a sealing case having chambers partitioned by a partition wall; a polar liquid having polarity and a nonpolar liquid having no polarity which are respectively sealed in a predetermined amount in each of the chambers; and electrodes pulling the polar liquid by an electrowetting phenomenon upon application of a driving voltage. One of the polar liquid and the nonpolar liquid is colored with a color having a light-blocking property, and the other has a light-transmitting property, at least a part of the partition wall is positioned in an optically effective area including the optical axis, and when a driving voltage is applied to a predetermined electrode among the electrodes, the polar liquid is moved in the chamber between closed and open positions where the optically effective area is closed and open, respectively.
    • 光学装置包括:密封箱,其具有由分隔壁分隔的室; 具有极性的极性液体和没有极性的非极性液体在每个室中分别以预定量密封; 以及在施加驱动电压时通过电润湿现象拉动极性液体的电极。 极性液体和非极性液体中的一种被着色为具有阻光性的颜色,另一种具有透光性,分隔壁的至少一部分位于包括光轴的光学有效区域中 并且当驱动电压施加到电极中的预定电极时,极性液体分别在光学有效区域闭合和打开的闭合位置和打开位置之间在腔室中移动。