Inventor
SCHELLER P KARL
US51 patents
⚠️ This page may combine multiple inventors who share the name “SCHELLER P KARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ALLEGRO MICROSYSTEMS LLC
24 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
US9810519B2Nov 7, 2017
Arrangements for magnetic field sensors that act as tooth detectors
ALLEGRO MICROSYSTEMS LLC27 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
US9151771B2Oct 6, 2015
Apparatus and method for providing an output signal indicative of a speed of rotation and a direction of rotation of a ferromagnetic object
ALLEGRO MICROSYSTEMS LLC23 citations93
US8994369B2Mar 31, 2015
Apparatus and method for providing an output signal indicative of a speed of rotation and a direction of rotation of a ferromagnetic object
ALLEGRO MICROSYSTEMS LLC22 citations93
US10916665B2Feb 9, 2021
Magnetic field sensor integrated circuit with an integrated coil
ALLEGRO MICROSYSTEMS LLC9 citations86
US10254103B2Apr 9, 2019
Arrangements for magnetic field sensors that act as tooth detectors
ALLEGRO MICROSYSTEMS LLC14 citations86
US11194004B2Dec 7, 2021
Diagnostic circuits and methods for sensor test circuits
ALLEGRO MICROSYSTEMS LLC8 citations84
US9476899B2Oct 25, 2016
Circuits and methods for generating a threshold signal used in a motion detector in accordance with a least common multiple of a set of possible quantities of features upon a target
ALLEGRO MICROSYSTEMS LLC11 citations84
US10598514B2Mar 24, 2020
Magnetic field sensor to detect speed of angular rotation of a rotating magnetic structure, direction of the rotating magnetic structure or fault
ALLEGRO MICROSYSTEMS LLC8 citations83
US10411498B2Sep 10, 2019
Apparatus and methods for extending sensor integrated circuit operation through a power disturbance
ALLEGRO MICROSYSTEMS LLC7 citations83
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
US10571301B2Feb 25, 2020
Frequency of an output signal of a magnetic field sensor to detect speed and direction of angular rotation of a rotating magnetic structure or a fault
ALLEGRO MICROSYSTEMS LLC6 citations73
US10473486B2Nov 12, 2019
Duty cycle of an output signal of a magnetic field sensor to detect speed and direction of angular rotation of a rotating magnetic structure or a fault
ALLEGRO MICROSYSTEMS LLC6 citations73
US10837987B2Nov 17, 2020
Methods and apparatus for monitoring a level of a regulated source
ALLEGRO MICROSYSTEMS LLC1 citations72
US10782363B2Sep 22, 2020
Systems and methods for magnetic field sensors with self-test
ALLEGRO MICROSYSTEMS LLC4 citations72
US10209279B2Feb 19, 2019
Methods and apparatus for monitoring a level of a regulated source
ALLEGRO MICROSYSTEMS LLC4 citations72
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
US11585868B2Feb 21, 2023
Systems and methods for magnetic field sensors with self-test
ALLEGRO MICROSYSTEMS LLC0 citations62
US11243234B2Feb 8, 2022
Methods and apparatus for monitoring a level of a regulated source
ALLEGRO MICROSYSTEMS LLC0 citations62
ALLEGRO MICROSYSTEMS INC
11 patentsUS6525531B2Feb 25, 2003
Detection of passing magnetic articles while adapting the detection threshold
ALLEGRO MICROSYSTEMS INC190 citations99
US6297627B1Oct 2, 2001
Detection of passing magnetic articles with a peak-to-peak percentage threshold detector having a forcing circuit and automatic gain control
ALLEGRO MICROSYSTEMS INC201 citations99
US5917320AJun 29, 1999
Detection of passing magnetic articles while periodically adapting detection threshold
ALLEGRO MICROSYSTEMS INC150 citations99
US7800389B2Sep 21, 2010
Integrated circuit having built-in self-test features
ALLEGRO MICROSYSTEMS INC113 citations98
US6100680AAug 8, 2000
Detecting the passing of magnetic articles using a transducer-signal detector having a switchable dual-mode threshold
ALLEGRO MICROSYSTEMS INC133 citations98
US5694038ADec 2, 1997
Detector of passing magnetic articles with automatic gain control
ALLEGRO MICROSYSTEMS INC150 citations98
US6693419B2Feb 17, 2004
Proximity detector
ALLEGRO MICROSYSTEMS INC76 citations97
US6232768B1May 15, 2001
Centering a signal within the dynamic range of a peak detecting proximity detector
ALLEGRO MICROSYSTEMS INC86 citations97
US6242908B1Jun 5, 2001
Detection of passing magnetic articles while adapting the detection threshold
ALLEGRO MICROSYSTEMS INC78 citations96
US5650719AJul 22, 1997
Detection of passing magnetic articles while periodically adapting detection thresholds to changing amplitudes of the magnetic field
ALLEGRO MICROSYSTEMS INC91 citations96
US8022692B2Sep 20, 2011
Direction detection sensor
ALLEGRO MICROSYSTEMS INC13 citations84
FRIEDRICH ANDREAS P
4 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
VIG RAVI
2 patentsUS8624588B2Jan 7, 2014
Apparatus and method for providing an output signal indicative of a speed of rotation and a direction of rotation as a ferromagnetic object
VIG RAVI93 citations97
US8754640B2Jun 17, 2014
Magnetic field sensors and related techniques that can provide self-test information in a formatted output signal
VIG RAVI58 citations96
DWYER DANIEL S
2 patentsUS8860404B2Oct 14, 2014
Magnetic field sensors and related techniques that can provide a self-test using signals and related thresholds
DWYER DANIEL S44 citations92
US9222990B2Dec 29, 2015
Magnetic field sensors and related techniques that can communicate at least one of three or more potential categories in which one or more characteristic values of a proximity signal responsive to a proximity of a sensed object are categorized
DWYER DANIEL S29 citations91
SCHELLER P KARL
2 patentsFOLETTO ANDREA
1 patentBURDETTE ERIC
1 patentEAGEN JEFF
1 patentALLEGRO MICROSYSTERNS LLC
1 patentDATA GENERAL CORP
1 patentShowing the top 50 of 51 patents by PatentIndex Score.