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    • 1. 发明申请
    • OPTICAL INTERFERENCE APPARATUS
    • 光学干扰装置
    • US20070195330A1
    • 2007-08-23
    • US11620142
    • 2007-01-05
    • Mitsuo OHASHIYoshitoshi ITO
    • Mitsuo OHASHIYoshitoshi ITO
    • G01B11/02
    • G01N21/4795A61B5/0059A61B5/14551
    • A light emission section includes light generators which are operated on the basis of drive signals from a controller so as to emit near infrared interferable light beams having different specific wavelengths to a light interference section. The light interference section includes a beam splitter having a low-reflection region. The beam splitter allows a most portion of the near infrared interferable light beams to propagate toward an object to be examined, and reflects a portion of the near infrared interferable light beams to a movable mirror. The beam splitter causes interference between measurement light reflected by the object and reference light reflected by the movable mirror, and the resultant interference light propagates to a light detection section. The light detection section receives the interference light and calculates predetermined information regarding the object by making use of the quantity distribution of the interference light. A display section displays the calculated information.
    • 发光部分包括基于来自控制器的驱动信号操作以发射具有不同特定波长的近红外可干扰光束到光干涉部分的光发生器。 光干涉部分包括具有低反射区域的分束器。 分束器允许近红外干涉光束的大部分传播到要检查的物体,并将近红外干涉光束的一部分反射到可移动镜。 分束器引起由物体反射的测量光和可移动反射镜反射的参考光之间的干涉,并且所得到的干涉光传播到光检测部分。 光检测部分接收干涉光,并通过利用干涉光的数量分布来计算关于物体的预定信息。 显示部分显示计算的信息。
    • 6. 发明申请
    • BIOLOGICAL INFORMATION MEASURING APPARATUS
    • 生物信息测量装置
    • US20090108204A1
    • 2009-04-30
    • US12255234
    • 2008-10-21
    • Mitsuo OHASHI
    • Mitsuo OHASHI
    • G01J5/02
    • H04B1/69A61B5/14553A61B2562/0233A61B2562/046G01N21/359G01N21/4795G01N21/49G01N2021/3144G01N2021/3148H04J13/0029H04J13/102
    • A light emission section spread-spectrum modulates a base band signal at a chip frequency f to thereby generate a primary modulated signal, modulates the primary modulated signal at a frequency 2f to thereby generate a secondary modulated signal, and emits a near-infrared light beam having a specific wavelength into a living organism on the basis of the secondary modulated signal. A light detection section receives a reflected light beam from the interior of the living organism in an effective detection band 2f, converts it to an electrical detection signal, and converts the detection signal to a digital signal at a sampling frequency 4f. The light detection section then demodulates the digital signal at the frequency 2f to thereby generate a primary demodulated signal, and demodulates the primary demodulated signal through spectrum despreading to thereby generate a secondary demodulated signal. Thus, a biological information signal representing biological information is output.
    • 发光部扩频以芯片频率f调制基带信号,从而生成一次调制信号,以频率2f调制一次调制信号,从而产生二次调制信号,并发射近红外光束 基于二次调制信号将特定的波长带入生物体。 光检测部分在有效检测带2f中接收来自生物体内部的反射光束,将其转换成电检测信号,并将检测信号以采样频率4f转换为数字信号。 然后光检测部分以频率2f对数字信号进行解调,从而生成主解调信号,并通过频谱解扩对第一解调信号进行解调,从而生成二次解调信号。 因此,输出代表生物信息的生物信息信号。
    • 10. 发明授权
    • Biological information measuring apparatus and method for controlling the apparatus
    • 用于控制装置的生物信息测量装置和方法
    • US07729732B2
    • 2010-06-01
    • US11351348
    • 2006-02-09
    • Mitsuo Ohashi
    • Mitsuo Ohashi
    • A61B5/1455
    • G01N21/359A61B5/14532A61B5/14553A61B5/4869G01N21/4795G01N2021/1785G01N2021/3144G01N2021/3148G01N2201/0691
    • A biological information measuring apparatus includes a plurality of light emission sections, a plurality of light detection sections, and a control section. Each light emission section injects, into a living organism, a spectrum-modulated light beam having a specific wavelength. The control section acquires a spread code sequence employed by each of the light emission sections for spread spectrum modulation, and supplies the spread code sequence to the light detection sections. By use of the spread code sequence, each light detection section selectively receives a specific reflected light beam having the spread code sequence, which is selected from among the light beams which have been emitted from the light emission sections and reflected in the living organism. Subsequently, each light detection section despreads an electrical signal corresponding to the thus-received reflected light beam, and outputs a detection signal corresponding to the intensity of the reflected light beam.
    • 生物信息测量装置包括多个发光部分,多个光检测部分和控制部分。 每个发光部分向生物体注射具有特定波长的光谱调制光束。 控制部分获取由用于扩频调制的每个发光部分采用的扩展码序列,并将扩展码序列提供给光检测部分。 通过使用扩频码序列,每个光检测部分选择性地接收具有从发光部分发射并在生物体中反射的光束中选择的扩展码序列的特定反射光束。 随后,每个光检测部分对与这样接收的反射光束相对应的电信号进行解扩,并且输出与反射光束的强度对应的检测信号。