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    • 32. 发明授权
    • Acceleration sensor and acceleration apparatus using acceleration sensor
    • 加速度传感器和使用加速度传感器的加速装置
    • US06382026B1
    • 2002-05-07
    • US09463140
    • 2000-04-12
    • Hirofumi TajikaKazunari NishiharaKoji NomuraMotoyuki TajiYoshihiro Tomita
    • Hirofumi TajikaKazunari NishiharaKoji NomuraMotoyuki TajiYoshihiro Tomita
    • G01P1509
    • G01P1/023G01P1/02G01P15/0922
    • An acceleration sensor having a well controlled dispersion in the detection, characteristics and improved detection characteristics in the low frequency detection comprises a first piezoelectric plate (11), a second piezoelectric plate (12) bonded to the first piezoelectric plate (11) by direct bonding, a first external electrode (13) provided on the main surface of the first piezoelectric plate (11) and a second external electrode (14) provided on the main surface of the second piezoelectric plate (12). The first piezoelectric plate (11) and the second piezoelectric plate (12) are bonded together with their polarization axes reversed to each other. Appearance of the acceleration sensor resembles to a letter “L” in the cross section; thickness of the supporting section (15) is greater than that of the rest part (free vibration section).
    • 具有在低频检测中的检测,特性和改进的检测特性中良好控制的色散的加速度传感器包括:第一压电板(11),通过直接接合结合到第一压电板(11)的第二压电板(12) ,设置在第一压电板(11)的主表面上的第一外部电极(13)和设置在第二压电板(12)的主表面上的第二外部电极(14)。 第一压电板(11)和第二压电板(12)以它们的偏振轴彼此相反地接合在一起。 加速度传感器的外观类似于截面中的字母“L”; 支撑部分(15)的厚度大于其余部分(自由振动部分)的厚度。
    • 39. 发明授权
    • Pyro-electric type infrared detector
    • 热电型红外探测器
    • US5281818A
    • 1994-01-25
    • US712681
    • 1991-06-10
    • Yoshihiro TomitaRyoichi TakayamaMotonobu YoshikawaYoshiharu Yamamoto
    • Yoshihiro TomitaRyoichi TakayamaMotonobu YoshikawaYoshiharu Yamamoto
    • G01J5/34G01J5/10
    • G01J5/34G01J2005/345
    • An apparatus for detecting position or temperature distribution of an object has a lens which is rotated around a pyroelectric type infrared sensor to collect incident infrared ray on the sensor while scanning the incident infrared ray in a rotational direction. The optical scanning is operated also in the longitudinal direction by providing with a plurality of lenses having different view in the longitudinal direction, the lenses being rotated sequentialy around the sensor. Further, detection of temperature of an object is conducted without using optical chopper by alternately observing the object and a standard temperature material which is arranged in a part of view, or by providing a stationary slit unit on a curved surface formed around a center axis which is the same as the rotation axis of the lens and a movable slit unit having the same pitch and arranged adjacent to the stationary slit unit and rotating together with the lens to intermitting the incident infrared ray.
    • 一种用于检测物体的位置或温度分布的装置具有透镜,该透镜围绕热电型红外传感器旋转以在传感器上收集入射的红外线,同时沿旋转方向扫描入射的红外线。 通过在纵向上设置具有不同视角的多个透镜,光学扫描也在纵向上操作,透镜围绕传感器顺序旋转。 此外,通过交替观察物体和部分配置的标准温度材料,或者通过在围绕中心轴线形成的曲面上设置静止的狭缝单元,不使用光学切断器来进行物体的温度的检测, 与透镜的旋转轴线和具有相同节距的可移动狭缝单元相同并且与静止狭缝单元相邻并且与透镜一起旋转以间隔入射的红外线。