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公开(公告)号：US20220155336A1
公开(公告)日：2022-05-19
申请号：US17589745
申请日：2022-01-31
Applicant: Analog Devices, Inc.
Inventor： Xin Zhang , Jianglong Zhang , Alan O'Donnell
IPC: G01P15/125 , G01P15/18 , G01P15/08 , B81B3/00
Abstract: Angular accelerometers are described, as are systems employing such accelerometers. The angular accelerometers may include a proof mass and rotational acceleration detection beams directed toward the center of the proof mass. The angular accelerometers may include sensing capabilities for angular acceleration about three orthogonal axes. The sensing regions for angular acceleration about one of the three axes may be positioned radially closer to the center of the proof mass than the sensing regions for angular acceleration about the other two axes. The proof mass may be connected to the substrate though one or more anchors.
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公开(公告)号：US12153065B2
公开(公告)日：2024-11-26
申请号：US17589745
申请日：2022-01-31
Applicant: Analog Devices, Inc.
Inventor： Xin Zhang , Jianglong Zhang , Alan O'Donnell
Abstract: Sensing devices are described. A sensing device includes an inertial sensor, a read-out circuit configured to determine first data indicative of an acceleration of the structure using an output of the inertial sensor, an energy harvester configured to capture energy, and a power management unit. The power management unit comprises a plurality of energy storage components coupled to the energy harvester and a plurality of switches coupled to respective energy storage components of the plurality of energy storage components. The power management unit monitors energy levels stored in the energy storage components, selectively charges the plurality of energy storage components by selectively activating the plurality of switches, and provides power to one or more of the inertial sensor and the read-out circuit based on the monitored energy levels.
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公开(公告)号：US11313876B2
公开(公告)日：2022-04-26
申请号：US16775316
申请日：2020-01-29
Applicant: Analog Devices, Inc.
Inventor： Xin Zhang , Jianglong Zhang , Alan O'Donnell
Abstract: Angular accelerometers are described, as are systems employing such accelerometers. The angular accelerometers may include a proof mass and rotational acceleration detection beams directed toward the center of the proof mass. The angular accelerometers may include sensing capabilities for angular acceleration about three orthogonal axes. The sensing regions for angular acceleration about one of the three axes may be positioned radially closer to the center of the proof mass than the sensing regions for angular acceleration about the other two axes. The proof mass may be connected to the substrate though one or more anchors.
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公开(公告)号：US20200241036A1
公开(公告)日：2020-07-30
申请号：US16775316
申请日：2020-01-29
Applicant: Analog Devices, Inc.
Inventor： Xin Zhang , Jianglong Zhang , Alan O'Donnell
IPC: G01P15/125 , G01P15/18 , G01P15/08 , B81B3/00
Abstract: Angular accelerometers are described, as are systems employing such accelerometers. The angular accelerometers may include a proof mass and rotational acceleration detection beams directed toward the center of the proof mass. The angular accelerometers may include sensing capabilities for angular acceleration about three orthogonal axes. The sensing regions for angular acceleration about one of the three axes may be positioned radially closer to the center of the proof mass than the sensing regions for angular acceleration about the other two axes. The proof mass may be connected to the substrate though one or more anchors.
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