Inventor
FRIEDRICH ANDREAS P
FR67 patents
⚠️ This page may combine multiple inventors who share the name “FRIEDRICH ANDREAS P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALLEGRO MICROSYSTEMS LLC
32 patentsUS8818749B2Aug 26, 2014
Circuits and methods for generating a self-test of a magnetic field sensor
ALLEGRO MICROSYSTEMS LLC48 citations98
US9812588B2Nov 7, 2017
Magnetic field sensor integrated circuit with integral ferromagnetic material
ALLEGRO MICROSYSTEMS LLC26 citations94
US9664748B2May 30, 2017
Systems and methods for providing signal encoding representative of a signature region in a target
ALLEGRO MICROSYSTEMS LLC22 citations94
US9605975B2Mar 28, 2017
Magnetic field sensor for orientation independent speed and direction measurement
ALLEGRO MICROSYSTEMS LLC22 citations94
US9411025B2Aug 9, 2016
Integrated circuit package having a split lead frame and a magnet
ALLEGRO MICROSYSTEMS LLC41 citations94
US9151807B2Oct 6, 2015
Circuits and methods for generating a self-test of a magnetic field sensor
ALLEGRO MICROSYSTEMS LLC32 citations94
US10230006B2Mar 12, 2019
Magnetic field sensor integrated circuit with an electromagnetic suppressor
ALLEGRO MICROSYSTEMS LLC10 citations93
US9494660B2Nov 15, 2016
Integrated circuit package having a split lead frame
ALLEGRO MICROSYSTEMS LLC21 citations93
US10916665B2Feb 9, 2021
Magnetic field sensor integrated circuit with an integrated coil
ALLEGRO MICROSYSTEMS LLC9 citations86
US10884031B2Jan 5, 2021
Current sensor system
ALLEGRO MICROSYSTEMS LLC14 citations86
US9823090B2Nov 21, 2017
Magnetic field sensor for sensing a movement of a target object
ALLEGRO MICROSYSTEMS LLC16 citations84
US9797746B2Oct 24, 2017
Systems and methods for detecting a magnetic target by computing a barycenter
ALLEGRO MICROSYSTEMS LLC9 citations84
US9411023B2Aug 9, 2016
Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element
ALLEGRO MICROSYSTEMS LLC12 citations84
US10520559B2Dec 31, 2019
Arrangements for Hall effect elements and vertical epi resistors upon a substrate
ALLEGRO MICROSYSTEMS LLC11 citations83
US9664497B2May 30, 2017
Magnetic field sensor and method for sensing relative location of the magnetic field sensor and a target object along a movement line
ALLEGRO MICROSYSTEMS LLC8 citations83
US9869566B2Jan 16, 2018
Angle sensing using differential magnetic measurement and a back bias magnet
ALLEGRO MICROSYSTEMS LLC8 citations81
US11555832B2Jan 17, 2023
Integrated shunt and magnetic field current sensor
ALLEGRO MICROSYSTEMS LLC4 citations74
US11994541B2May 28, 2024
Current sensor assemblies for low currents
ALLEGRO MICROSYSTEMS LLC2 citations73
US11444209B2Sep 13, 2022
Magnetic field sensor integrated circuit with an integrated coil enclosed with a semiconductor die by a mold material
ALLEGRO MICROSYSTEMS LLC2 citations73
US10782152B2Sep 22, 2020
Magnetic field sensors and method for determining position and orientation of a magnet
ALLEGRO MICROSYSTEMS LLC2 citations73
US10078117B2Sep 18, 2018
Magnetic field sensors and methods using mixing in a magnetoresistance element
ALLEGRO MICROSYSTEMS LLC4 citations73
US9739637B2Aug 22, 2017
Magnetic field motion sensor and related techniques
ALLEGRO MICROSYSTEMS LLC5 citations72
US12112865B2Oct 8, 2024
Multiple branch bus bar for coreless current sensing application
ALLEGRO MICROSYSTEMS LLC2 citations71
US10598515B2Mar 24, 2020
Angle sensing using differential magnetic measurement and a back bias magnet
ALLEGRO MICROSYSTEMS LLC2 citations70
US10323958B2Jun 18, 2019
Assembly using a magnetic field sensor for detecting a rotation and a linear movement of an object
ALLEGRO MICROSYSTEMS LLC4 citations70
US10408639B2Sep 10, 2019
Shifting device of a vehicle transmission
ALLEGRO MICROSYSTEMS LLC4 citations68
US12203822B2Jan 21, 2025
Heterogeneous magnetic and inductive sensors
ALLEGRO MICROSYSTEMS LLC1 citations63
US11961920B2Apr 16, 2024
Integrated circuit package with magnet having a channel
ALLEGRO MICROSYSTEMS LLC0 citations63
US11677032B2Jun 13, 2023
Sensor integrated circuit with integrated coil and element in central region of mold material
ALLEGRO MICROSYSTEMS LLC0 citations63
US9140536B2Sep 22, 2015
Circuits and methods using a first cycle of a signal to generate a threshold signal used for comparing to a second later cycle of the signal
ALLEGRO MICROSYSTEMS LLC3 citations63
US12235294B2Feb 25, 2025
Current sensor assemblies for low currents
ALLEGRO MICROSYSTEMS LLC0 citations62
US10385964B2Aug 20, 2019
Enhanced neutral gear sensor
ALLEGRO MICROSYSTEMS LLC1 citations62
FRIEDRICH ANDREAS P
9 patentsUS9081041B2Jul 14, 2015
High accuracy differential current sensor for applications like ground fault interrupters
FRIEDRICH ANDREAS P62 citations98
US8447556B2May 21, 2013
Circuits and methods for generating a self-test of a magnetic field sensor
FRIEDRICH ANDREAS P104 citations98
US9007054B2Apr 14, 2015
Angle sensor with misalignment detection and correction
FRIEDRICH ANDREAS P22 citations92
US8896295B2Nov 25, 2014
Magnetic field sensor having multiple sensing elements and a programmable misalignment adjustment device for misalignment detection and correction in current sensing and other applications
FRIEDRICH ANDREAS P28 citations92
US8729892B2May 20, 2014
Differential magnetic field sensor structure for orientation independent measurement
FRIEDRICH ANDREAS P26 citations92
US9417295B2Aug 16, 2016
Circuits and methods for processing signals generated by a circular vertical hall (CVH) sensing element in the presence of a multi-pole magnet
FRIEDRICH ANDREAS P14 citations84
US8922206B2Dec 30, 2014
Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element
FRIEDRICH ANDREAS P15 citations83
US9046383B2Jun 2, 2015
Systems and methods that use magnetic field sensors to identify positions of a gear shift lever
FRIEDRICH ANDREAS P14 citations82
US9606190B2Mar 28, 2017
Magnetic field sensor arrangements and associated methods
FRIEDRICH ANDREAS P6 citations71
FOLETTO ANDREA
3 patentsUS9329057B2May 3, 2016
Gear tooth sensor with peak and threshold detectors
FOLETTO ANDREA21 citations92
US8598867B2Dec 3, 2013
Circuits and methods for generating a threshold signal used in a motion detector
FOLETTO ANDREA18 citations92
US8749005B1Jun 10, 2014
Magnetic field sensor and method of fabricating a magnetic field sensor having a plurality of vertical hall elements arranged in at least a portion of a polygonal shape
FOLETTO ANDREA22 citations90
ALLEGRO MICROSYSTEMS INC
2 patentsVIG RAVI
1 patentSCHELLER P KARL
1 patentSHOEMAKER ERIC
1 patentDAVID PAUL
1 patentShowing the top 50 of 67 patents by PatentIndex Score.