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    • 102. 发明申请
    • MAGNETIC FIELD SENSOR WITH AUTOMATIC SENSITIVITY ADJUSTMENT
    • 具有自动灵敏度调整的磁场传感器
    • US20090212765A1
    • 2009-08-27
    • US12037393
    • 2008-02-26
    • Michael C. DoogueGerardo MonrealWilliam P. Taylor
    • Michael C. DoogueGerardo MonrealWilliam P. Taylor
    • G01R35/00
    • G01R33/07G01R33/0023G01R33/0041
    • Magnetic field sensors have a magnetic field sensing element and also a feedback circuit to provide a gain-adjustment signal to affect a sensitivity associated with the magnetic field sensing element. In some arrangements, the feedback circuit can include piezoresistors to sense a strain of a substrate over which the magnetic field sensor is disposed. With these arrangements, the feedback circuit can generate the gain-adjustment signal in accordance with the sensed strain. In other arrangements, the feedback circuit can generate pulsed magnetic fields proximate to the magnetic field sensing element in order to directly measure the sensitivity of the magnetic field sensing element. With these arrangements, the feedback circuit can generate the gain-adjustment signal in accordance with the sensed sensitivity.
    • 磁场传感器具有磁场感测元件以及反馈电路,以提供增益调节信号以影响与磁场感测元件相关联的灵敏度。 在一些布置中,反馈电路可以包括压敏电阻器,用于感测设置有磁场传感器的基板的应变。 利用这些布置,反馈电路可以根据感测的应变产生增益调整信号。 在其他布置中,反馈电路可以产生靠近磁场感测元件的脉冲磁场,以便直接测量磁场感测元件的灵敏度。 利用这些布置,反馈电路可以根据所感测的灵敏度产生增益调整信号。
    • 107. 发明授权
    • Reclining chair
    • 躺椅
    • US4877291A
    • 1989-10-31
    • US265695
    • 1988-11-01
    • William P. Taylor
    • William P. Taylor
    • A47C1/032
    • A47C1/03255A47C1/03216A47C1/03272A47C1/03283
    • An improved reclining chair including a base frame having spaced arm rests, a back frame pivotally mounted on the arm rest, a seat frame hingedly connected to the back frame at a point below the pivot connection of the back frame to the arm rest and having its front connected by an elongated linkage to the arm rest, the arm rest, elongated link, seat frame and back frame acting as a substantially parallelogram support linkage for the seat, and an elongated fluid spring cylinder having one end pivotally connected to a rigid frame member extending beneath the seat and its other end pivotally connected to the back frame at a point below the hinged seat and back connection and a manually actuated control for locking the spring cylinder at any desired position of the chair between a fully upright and a fully reclined position.
    • 一种改进的躺椅,其包括具有间隔开的扶手的基座框架,可枢转地安装在扶手上的后框架,在后框架与扶手的枢转连接点下方的点处铰接地连接到后框架的座架, 前臂通过细长的连杆连接到扶手上,扶手,细长连杆,座椅框架和后框架用作座椅的基本上平行四边形的支撑连杆机构,以及细长的液体弹簧缸,其一端枢转地连接到刚性框架构件 在座椅下方延伸,另一端在枢转的座椅和后部连接点下方的一点枢转地连接到后框架,以及手动致动的控制器,用于将弹簧筒锁定在椅子的任何期望位置处,在完全直立和完全倾斜的位置 。