MICRO-GEOPHONE
    2.
    发明申请

    公开(公告)号:US20140022868A1

    公开(公告)日:2014-01-23

    申请号:US13553634

    申请日:2012-07-19

    Applicant: Daniel M. Woo

    Inventor: Daniel M. Woo

    CPC classification number: G01V1/183 G01V1/182 G01V1/38 H01F7/066 H04R9/02

    Abstract: A micro geophone having pole pieces do not extend out around the sides of the magnet, thereby allowing a reduced geophone diameter for a given magnet diameter. The pole pieces are adhesively bonded to the magnet using an adhesive, which may be made suitably electrically conductive by silver or nickel fillers or non-conductive by mica fillers such as borosilicate glass micro-spheres. Axial space is economized by eliminating traditional spider retaining rings. The spider springs are seated directly against the coil form and secured by adhesive fillets disposed on the outward-facing spring circumferences. The spider springs include circumferential notches to receive adhesive. A two-piece bimetallic coil form of aluminum and a heavier material, joined by adhesive, is provided. Headers are affixed to the housing within the seats by adhesive. A straight or rounded chamfer at each of the geophone ends allows the overall geophone dimensions to be maximized.

    METHODS AND SYSTEMS FOR SEISMIC SIGNAL DETECTION
    3.
    发明申请
    METHODS AND SYSTEMS FOR SEISMIC SIGNAL DETECTION 有权
    地震信号检测方法与系统

    公开(公告)号:US20120063263A1

    公开(公告)日:2012-03-15

    申请号:US13224378

    申请日:2011-09-02

    Inventor: MASAHIRO KAMATA

    CPC classification number: G01V1/182

    Abstract: Methods and systems utilizing seismic sensors configured or designed for use in seismic signal detection. The seismic sensors output displacement signals of a displacement sensor superimposed on velocity signals generated by a moving coil of the seismic sensors.

    Abstract translation: 利用构造或设计用于地震信号检测的地震传感器的方法和系统。 地震传感器输出位移传感器的位移信号叠加在由地震传感器的运动线圈产生的速度信号上。

    DUAL-COIL GEOPHONE ACCELEROMETER
    6.
    发明申请
    DUAL-COIL GEOPHONE ACCELEROMETER 有权
    双线圈加速度计

    公开(公告)号:US20140294227A1

    公开(公告)日:2014-10-02

    申请号:US14167552

    申请日:2014-01-29

    Applicant: SAS E&P LTD.

    Abstract: An apparatus and a method for detecting vibration are disclosed. The apparatus comprises a housing, a magnetic structure forming a magnetic field in the housing, and a coil structure in the magnetic field, concentric of the magnetic structure. In response to external vibration, the coil structure and the magnetic structure are movable with respect to each other. The coil structure comprises at least two sets of coils overlapped in space, of which a first coil set is for detecting vibration and a second coil set is for applying control in accordance with a control signal.

    Abstract translation: 公开了一种用于检测振动的装置和方法。 该装置包括壳体,在壳体中形成磁场的磁性结构以及与该磁性结构同心的磁场中的线圈结构。 响应于外部振动,线圈结构和磁性结构可相对于彼此移动。 线圈结构包括至少两组在空间中重叠的线圈,其中第一线圈组用于检测振动,第二线圈组用于根据控制信号进行控制。

    MICRO-GEOPHONE
    7.
    发明申请
    MICRO-GEOPHONE 有权
    微地球

    公开(公告)号:US20140022866A1

    公开(公告)日:2014-01-23

    申请号:US13553502

    申请日:2012-07-19

    Applicant: DANIEL M. WOO

    Inventor: DANIEL M. WOO

    CPC classification number: G01V1/182

    Abstract: A micro geophone having pole pieces do not extend out around the sides of the magnet, thereby allowing a reduced geophone diameter for a given magnet diameter. The pole pieces are adhesively bonded to the magnet using an adhesive, which may be made suitably electrically conductive by silver or nickel fillers or non-conductive by mica fillers such as borosilicate glass micro-spheres. Axial space is economized by eliminating traditional spider retaining rings. The spider springs are seated directly against the coil form and secured by adhesive fillets disposed on the outward-facing spring circumferences. The spider springs include circumferential notches to receive adhesive. A two-piece bimetallic coil form of aluminum and a heavier material, joined by adhesive, is provided. Headers are affixed to the housing within the seats by adhesive. A straight or rounded chamfer at each of the geophone ends allows the overall geophone dimensions to be maximized.

    Abstract translation: 具有极片的微型地震检波器不会围绕磁体的侧面延伸,从而允许给定磁体直径减小的地震检波器直径。 极片使用粘合剂粘合到磁体上,粘合剂可以通过银或镍填料适当地导电,或者通过云母填料如硼硅酸盐玻璃微球不导电。 通过消除传统的蜘蛛保持环来节省轴向空间。 蜘蛛弹簧直接抵靠线圈形状,并通过设置在面向外的弹簧周边上的胶片固定。 蜘蛛弹簧包括用于接收粘合剂的圆周凹口。 提供了一种两片双金属线圈形式的铝和较重的材料,通过粘合剂连接。 标题通过粘合剂固定在座椅内的壳体上。 每个地震检波器端部的直角或倒圆倒角允许整个地震检波器尺寸最大化。

    LONG-PERIOD VIBRATION SENSOR AND METHOD FOR CORRECTING OUTPUT VALUE OF THE LONG-PERIOD VIBRATION SENSOR
    8.
    发明申请
    LONG-PERIOD VIBRATION SENSOR AND METHOD FOR CORRECTING OUTPUT VALUE OF THE LONG-PERIOD VIBRATION SENSOR 有权
    长周期振动传感器和校正长周期振动传感器输出值的方法

    公开(公告)号:US20130025346A1

    公开(公告)日:2013-01-31

    申请号:US13560358

    申请日:2012-07-27

    CPC classification number: G01V13/00 G01H11/02 G01V1/182

    Abstract: A long-period vibration sensor includes an overdamped accelerometer including a magnet fixed to the inside of a casing, a detection coil disposed between magnetic poles formed due to the magnet, a bobbin configured to hold the detection coil, and a support spring configured to support the bobbin in the casing so that the bobbin can vibrate in a predetermined direction, a voltage being outputted from the detection coil when the bobbin is damped, a plurality of digital filters having different frequency characteristics from one another, a selection module configured to select one digital filter from the plurality of digital filters based on an output value of the voltage outputted from the overdamped accelerometer, and a correction module configured to correct the output value of the voltage outputted from the overdamped accelerometer using the digital filter selected by the selection module.

    Abstract translation: 长周期振动传感器包括:超阻尼加速度计,其包括固定在壳体内部的磁体,设置在由磁体形成的磁极之间的检测线圈;构造成保持检测线圈的线轴;以及支撑弹簧,其构造成支撑 所述筒管在所述壳体中使得所述筒管能够沿预定方向振动,当所述筒管被阻尼时从所述检测线圈输出的电压,具有彼此具有不同频率特性的多个数字滤波器,所述选择模块被配置为选择一个 基于从过阻尼加速度计输出的电压的输出值,从多个数字滤波器输出的数字滤波器;以及校正模块,被配置为使用由选择模块选择的数字滤波器来校正从过阻尼加速度计输出的电压的输出值。

    BROADBAND GEOPHONE ACCELEROMETER
    9.
    发明申请

    公开(公告)号:US20170212257A1

    公开(公告)日:2017-07-27

    申请号:US15007134

    申请日:2016-01-26

    Applicant: Chunhua Gao

    Inventor: Chunhua Gao

    CPC classification number: G01V1/182

    Abstract: A closed loop broadband geophone which is made by using a high performance method to measure a mechanical vibration is disclosed. All coil portions of the two or more coil sets are located in at least 4 separate recesses of the bobbin. Each coil portion of these coil sets has an individual magnetic field magnitude using Faraday's Law and Lorentz's Law. This mathematic method, significantly improves the accuracy of both measuring the mechanical vibration and providing feedback control to the sensor coils. These coil sets are connected to an electronic device which processes the measuring signal and a feedback signal to the sensing coil as a precision digital forcing signal for a reference position.

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