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    • 51. 发明授权
    • Method of deriving standard 12-lead electrocardiogram and electrocardiogram monitoring apparatus
    • 推导标准12导联心电图和心电图监测仪的方法
    • US06721591B2
    • 2004-04-13
    • US09910837
    • 2001-07-24
    • Daming WeiTakeshi KojimaTadashi NakayamaYoshio Sakai
    • Daming WeiTakeshi KojimaTadashi NakayamaYoshio Sakai
    • A61B50402
    • A61B5/0006A61B5/04028A61B5/0404A61B5/0432
    • A plurality of electrodes for measuring electrocardiogarphic waveforms are attached on body surface positions that constitute a subset of the standard 12-lead system. The measured electrocardiogarphic waveforms of said subset of said standard 12-lead system are used to calculate the electrocardiogarphic waveforms of remaining leads in the said standard 12-lead system. The measured and calculated electrocardiographic waveforms are synthesized to form a standard 12-lead electrocardiogram. The invention is capable of monitoring the 12-lead electrocardiogram with a reduced number of electrodes, wherein a portion of waveforms are directly measured and used as primary information for diagnosing heart disease, and the other portion of waveforms are derived from the measured leads and are used as a secondary information for improving the accuracy of diagnosis. The invention is especially useful in monitoring ischemic heart disease and acute myocardial infarction in cases where mounting and maintaining ten electrodes to obtain 12-lead electrocardiogram is difficult, such as in ambulatory monitoring, long-term monitoring and home monitoring.
    • 用于测量心电波形波形的多个电极附着在构成标准12引导系统的子集的体表位置上。 所述标准12引导系统的所述子集的测量的心电图波形用于计算所述标准12引导系统中剩余引线的心电图波形。 合成测量和计算的心电图波形,形成标准的12导联心电图。 本发明能够以减少数量的电极监测12导联心电图,其中一部分波形被直接测量并用作用于诊断心脏病的主要信息,波形的另一部分来自测量引线,并且是 用作提高诊断准确度的次要信息。 本发明特别适用于监测缺血性心脏病和急性心肌梗死,如安装和维持十个电极获得12导联心电图难度较大,例如在动态监测,长期监测和家庭监测中。
    • 53. 发明授权
    • Process for controlling travel state during braking in vehicle
    • 用于在车辆制动期间控制行驶状态的过程
    • US5612880A
    • 1997-03-18
    • US377086
    • 1995-01-26
    • Takeshi KojimaToshio YahagiKazuaki FukamiSyouji SuzukiKunimichi Hatano
    • Takeshi KojimaToshio YahagiKazuaki FukamiSyouji SuzukiKunimichi Hatano
    • B60K23/08B60T8/172B60T8/1769B60T8/66F16D48/12B60K17/34B60T8/58
    • B60T8/172B60K23/0808B60T8/1769B60T2270/12
    • A method of controlling the driving state of a vehicle in which an antilock brake control for eliminating a locking tendency of a wheel during braking can be carried out, and a four-wheel drive state and a two-wheel drive state can be switched from one to another. A monitored estimated vehicle speed is calculated on the basis of highest one of wheel speeds of the vehicle wheels and a value is detected by a longitudinal acceleration/deceleration sensor for detecting a longitudinal acceleration or deceleration of a vehicle speed, and a judgement speed is determined at a value lower than the monitored estimated vehicle speed. The vehicle speed is also independently determined based upon the speed of each of the vehicle wheels. The four-wheel drive state is switched to the two-wheel drive state in response to highest one of vehicle speeds independently calculated on the basis of the wheel speeds becoming equal to or less than the judgement speed in the four-wheel drive state. Thus, when the brake depression force is small, the four wheels are prevented from gradually falling into their locked states, with the four-wheel drive state being maintained when the antilock brake control is not carried out.
    • 一种控制车辆的驾驶状态的方法,其中可以执行用于消除制动期间车轮的锁定倾向的防抱死制动控制,并且可以从一个车轮切换四轮驱动状态和两轮驱动状态 到另一个 基于车轮的车轮速度的最高值来计算监视的估计车速,并且通过用于检测车速的纵向加速或减速的纵向加速/减速传感器检测到的值,并且确定判断速度 其值低于所监视的估计车辆速度。 车速也可以基于每个车轮的速度独立地确定。 响应于基于车轮速度等于或小于四轮驱动状态的判断速度而独立计算的车速中的最高一个,四轮驱动状态被切换到两轮驱动状态。 因此,当制动踏板力小时,防止四个车轮逐渐落入其锁定状态,当不执行防抱死制动控制时,保持四轮驱动状态。
    • 56. 发明授权
    • Surface illuminating apparatus
    • 表面照明装置
    • US4860171A
    • 1989-08-22
    • US259730
    • 1988-10-19
    • Takeshi Kojima
    • Takeshi Kojima
    • G09F13/18F21V8/00G02B6/00G02F1/1335G02F1/13357
    • G02B6/0041G02B6/0068G02B6/0071G09F2013/185Y10S362/812
    • A surface illuminating apparatus in which a plurality of transparent plates of different spot patterns formed of a large number of fine spots painted or printed at one side are layered in the relation that spotted surfaces having the painted or printed spots are not opposite to each other, thereby forming a surface illuminating body, a reflecting plate is brought into close contact with the spotted surface of the rearmost transparent plate, in turn, the rear surface of the body, a light diffusion plate in close contact with a non-spotted surface of the foremost transparent plate, in turn, the surface of the body, and light sources for irradiating light on the body are disposed at both lateral end sides of the body.
    • 表面照明装置,其中以一侧涂布或印刷的大量细微点形成的多个不同点图案的透明板以相互不相反的点的方式层叠, 从而形成表面照明体,反射板与最后面的透明板的点状表面紧密接触,反过来与主体的后表面紧密接触,光扩散板与非点状表面紧密接触 最主要的透明板又是身体的表面,以及用于在身体上照射光的光源设置在身体的两个侧端侧。
    • 59. 发明授权
    • Physiological signal amplifier circuitry
    • 生理信号放大器电路
    • US4530365A
    • 1985-07-23
    • US517512
    • 1983-07-26
    • Hajime HaradaTakeshi Kojima
    • Hajime HaradaTakeshi Kojima
    • A61B5/0408H03F3/45A61B5/04
    • A61B5/04085H03F3/45479Y10S128/902
    • The purpose of the present invention is to provide a physiological signal amplifier circuitry exhibiting higher common mode rejection ratio with no necessity of adjustment. To realize this, outputs of the differential amplifiers are average to produce reference potential which is supplied, through a high gain amplifier, to invert terminals of the same differential amplifier as well as to invert terminals of other differential amplifiers connected to other electrodes. In the embodiment employed for the electrocardiograph, the reference potential is produced by the differential amplifier connected to extremity electrodes, and other differential amplifiers are connected to the chest electrodes.
    • 本发明的目的是提供一种具有更高共模抑制比而不需要调整的生理信号放大器电路。 为了实现这一点,差分放大器的输出是平均的,以产生通过高增益放大器提供的参考电位来反相相同的差分放大器的端子以及反相器连接到其它电极的其它差分放大器的端子。 在用于心电图仪的实施例中,参考电位由连接到末端电极的差分放大器产生,而其它差分放大器连接到胸部电极。