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    • 34. 发明授权
    • Semiconductor pressure transducer
    • 半导体压力传感器
    • US4065971A
    • 1978-01-03
    • US701531
    • 1976-07-01
    • Michitaka ShimazoeKousuke NakamuraYasuo MatsushitaSatoshi ShimadaKazuji YamadaYukio Takahashi
    • Michitaka ShimazoeKousuke NakamuraYasuo MatsushitaSatoshi ShimadaKazuji YamadaYukio Takahashi
    • H01L29/84G01L9/00G01L9/06
    • G01L9/0054
    • A semiconductor pressure transducer includes a monocrystalline semiconductor diaphragm, the outer edges of which are fixed. When subjected to pressure, the transducer produces radial strains of opposite polarity in a central portion thereof and a portion surrounding the central portion close to the edge of the strain inducing region. The diaphragm contains a plurality of elongated resistances formed of semiconductor material of the same conductivity type which are electrically isolated from the diaphragm, per se. Resistances of an individual set which lie in proximity to one another are combined in the form of a bridge. The longitudinal direction of resistances forming one set of opposing arms of the bridge extend along axes of the same crystal system as the longitudinal direction of the elongated resistances forming the other set of opposing arms of the bridge. However, the longitudinal directions of the separate sets of resistances forming the opposing arms of the bridge lie in directions so that they do not orthogonally intersect each other.
    • 半导体压力传感器包括其外边缘固定的单晶半导体膜片。 当经受压力时,换能器在其中心部分产生相反极性的径向应变,并且围绕中心部分的部分靠近应变诱导区域的边缘产生。 隔膜包含由与膜片电气隔离的相同导电类型的半导体材料形成的多个细长电阻。 位于彼此靠近的单个组的电阻以桥的形式组合。 形成桥的一组相对臂的电阻的纵向方向沿与构成桥的另一组相对臂的细长电阻的纵向相同的晶体系的轴线延伸。 然而,形成桥的相对臂的单独的电阻组的纵向方向在方向上,使得它们不会彼此正交相交。
    • 35. 发明授权
    • Sensor adjusting circuit
    • 传感器调节电路
    • US07426154B2
    • 2008-09-16
    • US11430975
    • 2006-05-10
    • Masahiro MatsumotoSatoshi ShimadaSeikou SuzukiAkihiko SaitoAtsushi MiyazakiKeiji Hanzawa
    • Masahiro MatsumotoSatoshi ShimadaSeikou SuzukiAkihiko SaitoAtsushi MiyazakiKeiji Hanzawa
    • G11C8/00G06F9/46
    • G01D3/022G01D3/02
    • A sensor adjusting circuit for adjusting a digital sensor, whose circuit scale is small and which can maintain high accuracy in a wide adjustment range is provided. A sensor adjusting circuit for adjusting an analog input signal inputted from a sensor and outputting it as another analog output signal in accordance with a physical quantity to be sensed, comprises: a first analog-to-digital converter having an analog integrator (2) for integrating the analog input signal, a comparator (3) for comparing an output of the analog integrator with a predetermined value, and a D/A converter (7) for outputting an output of the comparator as the input signal; and a second digital-to-analog converter (5) for converting the output of the comparator and outputting it as the analog output signal.
    • 提供了一种用于调整数字传感器的传感器调节电路,其电路规模小并且可以在宽的调节范围内保持高精度。 一种传感器调节电路,用于调节从传感器输入的模拟输入信号,并根据要感测的物理量将其输出为另一个模拟输出信号,包括:第一模数转换器,具有模拟积分器(2),用于 积分模拟输入信号,比较器(3),用于将模拟积分器的输出与预定值进行比较;以及D / A转换器(7),用于输出比较器的输出作为输入信号; 以及用于转换比较器的输出并将其作为模拟输出信号输出的第二数模转换器(5)。