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公开(公告)号：US10656170B2
公开(公告)日：2020-05-19
申请号：US15982268
申请日：2018-05-17
Applicant: Allegro MicroSystems, LLC
Inventor： Hyungsok Lim , Haeyoung Choi
Abstract: An apparatus and a method provide an output signal indicative of a speed of rotation and/or a direction of movement of a ferromagnetic object having ferromagnetic features and capable of moving. A variety of signal formats of the output signal are described, each of which have pulses at a rate faster than the ferromagnetic features pass by the magnetic field sensor. The magnetic field sensor includes a plurality of diagnostic circuits that detect a failure of the magnetic field sensor and output a diagnostic signal indicative of the failure. The controller can receive the diagnostic signals and generate a sensor output signal including a failure state to indicate the detected failure.
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Patent Agency Ranking
2.发明申请公开(公告)号：US20190353677A1
公开(公告)日：2019-11-21
申请号：US15982268
申请日：2018-05-17
Applicant: Allegro MicroSystems, LLC
Inventor： Hyungsok Lim , Haeyoung Choi
Abstract: An apparatus and a method provide an output signal indicative of a speed of rotation and/or a direction of movement of a ferromagnetic object having ferromagnetic features and capable of moving. A variety of signal formats of the output signal are described, each of which have pulses at a rate faster than the ferromagnetic features pass by the magnetic field sensor. The magnetic field sensor includes a plurality of diagnostic circuits that detect a failure of the magnetic field sensor and output a diagnostic signal indicative of the failure. The controller can receive the diagnostic signals and generate a sensor output signal including a failure state to indicate the detected failure.
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公开(公告)号：US11009565B2
公开(公告)日：2021-05-18
申请号：US15132642
申请日：2016-04-19
Applicant: Allegro MicroSystems, LLC
Inventor： Devon Fernandez , Haeyoung Choi
Abstract: A magnetic field sensor includes a comparator detector for which a measured threshold value is stored prior to power down and recalled upon power up for use by the comparator detector. A corresponding method is associated with the magnetic field sensor.
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4.发明授权Magnetic field sensor and associated method that can store a measured threshold value in a memory device during a time when the magnetic field sensor is powered off 有权磁场传感器和相关联的方法，其可以在磁场传感器断电的时间期间将测量的阈值存储在存储器件中公开(公告)号：US09395391B2
公开(公告)日：2016-07-19
申请号：US13833847
申请日：2013-03-15
Applicant: Allegro Microsystems, LLC
Inventor： Devon Fernandez , Haeyoung Choi
CPC classification number: G01R33/0082 , G01D3/0365 , G01D5/2448 , G01D5/2449 , G01R1/44 , G01R33/02
Abstract: A magnetic field sensor includes a comparator detector for which a measured threshold value is stored prior to power down and recalled upon power up for use by the comparator detector. A corresponding method is associated with the magnetic field sensor.
Abstract translation: 磁场传感器包括比较器检测器，在断电之前存储测量的阈值，并且在上电时被比较器检测器使用。 相应的方法与磁场传感器相关联。
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5.发明申请MAGNETIC FIELD SENSOR AND ASSOCIATED METHOD THAT CAN STORE A MEASURED THRESHOLD VALUE IN A MEMORY DEVICE DURING A TIME WHEN THE MAGNETIC FIELD SENSOR IS POWERED OFF 审中-公开磁场传感器和相关方法，当磁场传感器断电时，可以在存储器内存储测量的阈值公开(公告)号：US20160231393A1
公开(公告)日：2016-08-11
申请号：US15132642
申请日：2016-04-19
Applicant: Allegro Microsystems, LLC
Inventor： Devon Fernandez , Haeyoung Choi
IPC: G01R33/00
Abstract: A magnetic field sensor includes a comparator detector for which a measured threshold value is stored prior to power down and recalled upon power up for use by the comparator detector. A corresponding method is associated with the magnetic field sensor.
Abstract translation: 磁场传感器包括比较器检测器，在断电之前存储测量的阈值，并且在上电时被比较器检测器使用。 相应的方法与磁场传感器相关联。
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6.发明申请公开(公告)号：US20140266176A1
公开(公告)日：2014-09-18
申请号：US13833847
申请日：2013-03-15
Applicant: ALLEGRO MICROSYSTEMS, LLC
Inventor： Devon Fernandez , Haeyoung Choi
CPC classification number: G01R33/0082 , G01D3/0365 , G01D5/2448 , G01D5/2449 , G01R1/44 , G01R33/02
Abstract: A magnetic field sensor includes a comparator detector for which a measured threshold value is stored prior to power down and recalled upon power up for use by the comparator detector. A corresponding method is associated with the magnetic field sensor.
Abstract translation: 磁场传感器包括比较器检测器，在断电之前存储测量的阈值，并且在上电时被比较器检测器使用。 相应的方法与磁场传感器相关联。
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