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公开(公告)号：US11953568B1
公开(公告)日：2024-04-09
申请号：US18242624
申请日：2023-09-06
发明人： Peng Li , Qiancheng Lv , Bing Tian , Zejie Tan , Zhiming Wang , Jie Wei , Renze Chen , Xiaopeng Fan , Zhong Liu , Zhenheng Xu , Senjing Yao , Licheng Li , Yuehuan Lin , Shengrong Liu , Bofeng Luo , Jiaming Zhang , Xu Yin
CPC分类号： G01R33/098 , H10N35/01 , H10N35/101
摘要： The present disclosure relates to a wide-range perpendicular sensitive magnetic sensor and the method for manufacturing the same, the magnetic sensor includes a substrate, a plurality of magnetic tunnel junctions, a plurality of magnetic flux regulators, a first output port and a second output port.
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公开(公告)号：US11927608B1
公开(公告)日：2024-03-12
申请号：US18369353
申请日：2023-09-18
发明人： Peng Li , Qiancheng Lv , Bing Tian , Xiaopeng Fan , Zhong Liu , Zhiming Wang , Renze Chen , Jie Wei , Xu Yin , Zejie Tan , Zhenheng Xu , Senjing Yao , Licheng Li , Yuehuan Lin , Shengrong Liu , Bofeng Luo , Jiaming Zhang
CPC分类号： G01R19/0092 , G01R15/205
摘要： The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.
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