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    • 41. 发明授权
    • Apparatus for measuring concentration of substances in blood
    • 用于测量血液中物质浓度的装置
    • US5127406A
    • 1992-07-07
    • US450979
    • 1989-12-15
    • Kazuo Yamaguchi
    • Kazuo Yamaguchi
    • A61B5/145A61B5/00A61B5/1455A61B5/1495G01N21/31G01N33/49
    • A61B5/1455G01N21/314
    • An apparatus for non-invasively measuring the concentratiuon of a predetermined substance in blood. Light of first and second wavelengths is emitted through a pulsating living tissue, either alternately of simultaneously. The amounts of light of the first and second wavelengths transmitted through the pulsating living tissue are measured for first and second different thicknesses of the pulsating tissue. A calculation is then carried out to determine the concentration of the predetermined substance based on the detected amounts of light of the first and second wavelengths when the pulsating living tissue has the first thickness, the amounts of light of the first and second wavelengths detected when the pulsating living tissue has the second thickness, and absorption coefficients of the substance and absorption coefficients of water at the first and second wavelengths.
    • 一种用于非侵入性地测量血液中预定物质浓度的装置。 第一和第二波长的光通过脉动的生物组织发射,或者交替地同时发射。 针对脉动组织的第一和第二不同厚度测量透过脉动生物体组织的第一和第二波长的光量。 然后进行计算,以当脉动生物体组织具有第一厚度时,基于检测到的第一和第二波长的光量来确定预定物质的浓度,当第一和第二波长的光的量在 脉动生物组织具有第二厚度,物质的吸收系数和第一和第二波长处的水的吸收系数。
    • 47. 发明授权
    • Asynchronous transmission system for binary-coded information
    • 用于二进制编码信息的异步​​传输系统
    • US4347617A
    • 1982-08-31
    • US210850
    • 1980-11-26
    • Kazuo MuranoKazuo YamaguchiNorio MurakamiToshitaka Tsuda
    • Kazuo MuranoKazuo YamaguchiNorio MurakamiToshitaka Tsuda
    • H04L25/30H04L25/49H03K5/26
    • H04L25/4906
    • An asynchronous transmission system for binary-coded information is disclosed. According to this system, in a transmitting terminal (A), when successive data of the same code in a set of asynchronous data lasts for a predetermined period of time (T.sub.1), a refresh pulse, the polarity of which is opposite to that of the successive data, is added to a transmission signal. However, the addition of such a refresh pulse to the transmission signal is inhibited for a predetermined period of time (T.sub.2) to allow for a change of data. In a receiving terminal (B), a pulse, the width of which is larger or equal to a minimum period of data, and a pulse, the width of which is smaller than or equal to a pulse-width (T.sub.0) of a refresh pulse, can be discriminated and removed by a pulse-width discrimination circuit. As a result, the refresh pulse is not present in the output signal of the pulse-width discrimination circuit. Thus, the original asynchronous data is restored.
    • 公开了一种用于二进制编码信息的异步​​传输系统。 根据该系统,在发送终端(A)中,当一组异步数据中的相同代码的连续数据持续预定时间段(T1)时,刷新脉冲的极性与 连续数据被添加到传输信号。 然而,在发送信号中添加这样的刷新脉冲在预定时间段(T2)被禁止以允许数据的改变。 在接收终端(B)中,其宽度大于或等于最小数据周期的脉冲,其宽度小于或等于刷新脉冲宽度(T0)的脉冲 脉冲,可以通过脉冲宽度鉴别电路鉴别和去除。 结果,刷新脉冲不存在于脉冲宽度判别电路的输出信号中。 因此,恢复原始异步数据。