ACCELEROMETER WITH INDUCTIVE PICK-OFF
    1.
    发明申请
    ACCELEROMETER WITH INDUCTIVE PICK-OFF 审中-公开
    带电感式的加速度计

    公开(公告)号:US20170023605A1

    公开(公告)日:2017-01-26

    申请号:US14809006

    申请日:2015-07-24

    发明人: Alexander Spivak

    IPC分类号: G01P15/11 G01P15/08

    摘要: An accelerometer as disclosed herein includes a support wafer, a bottom wafer, a top wafer, and an inductive pick-off. The support wafer may define a plane and may comprise a first side, a second side, and a proof mass. The proof mass may be configured to move in the plane defined by the support wafer. The bottom wafer may comprise a first side and a second side, and the first side may be positioned over the first side of the support wafer. The top wafer may comprise a first side and a second side, and the first side may be positioned over the second side of the support wafer. The inductive pick-off may comprise a near field resonant conductive coupling mechanism and may be configured to output a signal indicative of an amount of displacement of the proof mass to electronics.

    摘要翻译: 如本文公开的加速度计包括支撑晶片,底部晶片,顶部晶片和感应传感器。 支撑晶片可以限定一个平面,并且可以包括第一侧面,第二侧面和检验质量块。 检测质量可以被配置为在由支撑晶片限定的平面内移动。 底部晶片可以包括第一侧和第二侧,并且第一侧可以位于支撑晶片的第一侧上方。 顶部晶片可以包括第一侧和第二侧,并且第一侧可以位于支撑晶片的第二侧上方。 感应传感器可以包括近场谐振导电耦合机构,并且可以被配置为输出指示检测质量块到电子器件的位移量的信号。

    Actively sensing and cancelling vibration in a printed circuit board or other platform

    公开(公告)号:US11096272B2

    公开(公告)日:2021-08-17

    申请号:US16846040

    申请日:2020-04-10

    发明人: Alexander Spivak

    摘要: An embodiment includes generating a sense signal that represents a first vibration of a platform, and reducing a level of the first vibration by generating, in response to the sense signal, a second vibration in the platform. For example, a sensor generates a sense signal representing a first vibration induced (e.g., a shock-induced vibration) in the platform. And a vibration-cancel circuit reduces or eliminates a level of the first vibration in response to the sense signal. For example, the vibration-cancel circuit reduces a magnitude of a first vibration induced in a platform, or eliminates the first vibration altogether, by generating, in the platform, a second vibration having a magnitude approximately equal to the magnitude of the first vibration and having a phase approximately opposite to the phase of the first vibration. That is, the second vibration cancels the first vibration to reduce the net vibration that the platform experiences.

    Actively sensing and cancelling vibration in a printed circuit board or other platform

    公开(公告)号:US10653002B2

    公开(公告)日:2020-05-12

    申请号:US16049658

    申请日:2018-07-30

    发明人: Alexander Spivak

    摘要: An embodiment of an assembly includes a platform (e.g., a printed circuit board (PCB)), a sensor, and a vibration-cancel circuit. The sensor is mounted to the platform and is configured to generate a sense signal that represents a vibration induced (e.g., a shock-induced vibration) in the platform. And the vibration-cancel circuit is configured to reduce or eliminate a level of the vibration in response to the sense signal. For example, such a vibration-cancel circuit is configured to reduce a magnitude of a vibration induced in platform, or to eliminate the vibration altogether, by generating, in the platform, a counter vibration that has a magnitude approximately equal to the magnitude of the induced vibration and that has a phase approximately opposite to the phase of the induced vibration. That is, the counter vibration cancels the induced vibration to reduce the net vibration that the platform experiences.

    ACTIVELY SENSING AND CANCELLING VIBRATION IN A PRINTED CIRCUIT BOARD OR OTHER PLATFORM

    公开(公告)号:US20200037441A1

    公开(公告)日:2020-01-30

    申请号:US16049658

    申请日:2018-07-30

    发明人: Alexander Spivak

    IPC分类号: H05K1/02

    摘要: An embodiment of an assembly includes a platform (e.g., a printed circuit board (PCB)), a sensor, and a vibration-cancel circuit. The sensor is mounted to the platform and is configured to generate a sense signal that represents a vibration induced (e.g., a shock-induced vibration) in the platform. And the vibration-cancel circuit is configured to reduce or eliminate a level of the vibration in response to the sense signal. For example, such a vibration-cancel circuit is configured to reduce a magnitude of a vibration induced in platform, or to eliminate the vibration altogether, by generating, in the platform, a counter vibration that has a magnitude approximately equal to the magnitude of the induced vibration and that has a phase approximately opposite to the phase of the induced vibration. That is, the counter vibration cancels the induced vibration to reduce the net vibration that the platform experiences.

    Accelerometer with inductive pick-off

    公开(公告)号:US10067154B2

    公开(公告)日:2018-09-04

    申请号:US14809006

    申请日:2015-07-24

    发明人: Alexander Spivak

    IPC分类号: G01P15/11 G01P15/18 G01P15/08

    摘要: An accelerometer as disclosed herein includes a support wafer, a bottom wafer, a top wafer, and an inductive pick-off. The support wafer may define a plane and may comprise a first side, a second side, and a proof mass. The proof mass may be configured to move in the plane defined by the support wafer. The bottom wafer may comprise a first side and a second side, and the first side may be positioned over the first side of the support wafer. The top wafer may comprise a first side and a second side, and the first side may be positioned over the second side of the support wafer. The inductive pick-off may comprise a near field resonant conductive coupling mechanism and may be configured to output a signal indicative of an amount of displacement of the proof mass to electronics.

    ACTIVELY SENSING AND CANCELLING VIBRATION IN A PRINTED CIRCUIT BOARD OR OTHER PLATFORM

    公开(公告)号:US20200260574A1

    公开(公告)日:2020-08-13

    申请号:US16846040

    申请日:2020-04-10

    发明人: Alexander Spivak

    IPC分类号: H05K1/02

    摘要: An embodiment includes generating a sense signal that represents a first vibration of a platform, and reducing a level of the first vibration by generating, in response to the sense signal, a second vibration in the platform. For example, a sensor generates a sense signal representing a first vibration induced (e.g., a shock-induced vibration) in the platform. And a vibration-cancel circuit reduces or eliminates a level of the first vibration in response to the sense signal. For example, the vibration-cancel circuit reduces a magnitude of a first vibration induced in a platform, or eliminates the first vibration altogether, by generating, in the platform, a second vibration having a magnitude approximately equal to the magnitude of the first vibration and having a phase approximately opposite to the phase of the first vibration. That is, the second vibration cancels the first vibration to reduce the net vibration that the platform experiences.