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    • 24. 发明授权
    • Gyroscope and input unit using the same
    • 陀螺仪和输入单元使用相同
    • US06584843B2
    • 2003-07-01
    • US09862554
    • 2001-05-22
    • Munemitsu AbeMasayoshi Esashi
    • Munemitsu AbeMasayoshi Esashi
    • G01P904
    • G01C19/5607
    • A gyroscope includes a tuning fork, which includes a plurality of tines formed of a conductive material and a supporting portion; an upper glass substrate and a lower glass substrate which sandwich the tuning fork; drive electrodes which are provided on each of the upper and the lower glass substrates in such a manner that parts of the drive electrodes oppose the tines and the remaining parts protrude from the tines, the drive electrodes being capacitively coupled to the tines and driving the tines in a direction parallel to the substrates; and detection electrodes which are capacitively coupled to the tines, and which detect displacements of the tines in a direction perpendicular to the vibrating direction of the tines.
    • 陀螺仪包括音叉,音叉包括由导电材料形成的多个尖齿和支撑部分; 夹着音叉的上玻璃基板和下玻璃基板; 驱动电极,其设置在上部玻璃基板和下部玻璃基板中的每一个上,使得驱动电极的一部分与尖齿相对,其余部分从齿突出,驱动电极电容耦合到齿并驱动尖齿 在平行于基板的方向上; 以及与电位耦合到尖齿的检测电极,并且检测尖齿在与尖齿的振动方向垂直的方向上的位移。
    • 28. 发明授权
    • Planar type mirror galvanometer incorpotating a displacement detection
function
    • 平面式反射镜具有位移检测功能
    • US5767666A
    • 1998-06-16
    • US530103
    • 1995-09-26
    • Norihiro AsadaMasayoshi Esashi
    • Norihiro AsadaMasayoshi Esashi
    • G02B26/08G02B26/10G01R13/38
    • G02B26/0841G02B26/0816G02B26/105
    • The present invention relates to a slim-type small size mirror galvanometer wherein the mirror displacement angle can be detected, made using semiconductor manufacturing techniques. Using semiconductor manufacturing techniques, a movable plate 5 and a torsion bar 6 for axially supporting the movable plate 5 are formed integrally on a silicon substrate 2, with a planar coil 7 and a total reflecting mirror 8 formed on an upper face of the movable plate 5, and permanent magnets 10A, 10B and 11A, 11B fixedly located so as to produce a magnetic field at the planar coil 7. The direction and quantity of current flowing in the planar coil 7 is controlled to variably control the swing angle of the movable plate 5 depending on the balance between the generated magnetic force and the torsion force in the torsion bar 6. Moreover, detection coils 12A, 12B are provided beneath the movable plate 5, and a detection current is superimposed on the drive current in the planar coil 7. The mirror displacement angle is detected by a change in the mutual inductance due to the detection current, between the planar coil and the detection coils 12A, 12B.
    • PCT No.PCT / JP95 / 00066 Sec。 371日期:1995年9月26日 102(e)1995年9月26日PCT PCT 1995年1月23日PCT公布。 公开号WO95 / 20774 日期:1995年8月3日本发明涉及一种薄型小型反射镜电流计,其中可以使用半导体制造技术来检测反射镜位移角。 使用半导体制造技术,可动板5和用于轴向支撑可动板5的扭力杆6一体地形成在硅基板2上,平面线圈7和形成在可动板的上表面上的全反射镜8 5以及固定在永久磁铁10A,10B,11A,11B上,以便在平面线圈7处产生磁场。控制平面线圈7中流动的电流的方向和数量,以可变地控制可动 板5依赖于产生的磁力与扭力杆6的扭转力之间的平衡。此外,检测线圈12A,12B设置在可动板5的下方,检测电流叠加在平面线圈的驱动电流上 通过由平面线圈和检测线圈12A,12B之间的检测电流引起的互感变化来检测反射镜位移角。