Assignee
ALLEGRO MICROSYSTEMS LLC
US·705 granted patents·165 pending applications·4,052 citations·filing 2012–2025
Top patents by PatentIndex Score
870 records- 0199US11194004B2Diagnostic circuits and methods for sensor test circuitsALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Dec 7, 2021·8 cites·28 claims
- 0299US9812588B2Magnetic field sensor integrated circuit with integral ferromagnetic materialALLEGRO MICROSYSTEMS LLC·Filed 2013·Granted Nov 7, 2017·26 cites·15 claims
- 0399US8818749B2Circuits and methods for generating a self-test of a magnetic field sensorALLEGRO MICROSYSTEMS LLC·Filed 2013·Granted Aug 26, 2014·48 cites·22 claims
- 0498US11662260B2Linear inductive torque sensorALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted May 30, 2023·8 cites·23 claims
- 0598US11624791B2Reducing stray magnetic-field effects using a magnetic-field closed-loop systemALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Apr 11, 2023·4 cites·17 claims
- 0698US11581697B2Detector system comparing pixel response with photonic energy decayALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Feb 14, 2023·4 cites·25 claims
- 0798US11555872B2Reducing stray magnetic-field effects using a magnetic-field closed-loop systemALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Jan 17, 2023·9 cites·19 claims
- 0898US11262422B2Stray-field-immune coil-activated position sensorALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Mar 1, 2022·7 cites·20 claims
- 0998US10884031B2Current sensor systemALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Jan 5, 2021·14 cites·29 claims
- 1098US10636285B2Sensor integrated circuits and methods for safety critical applicationsALLEGRO MICROSYSTEMS LLC·Filed 2019·Granted Apr 28, 2020·32 cites·27 claims
- 1198US10230006B2Magnetic field sensor integrated circuit with an electromagnetic suppressorALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Mar 12, 2019·10 cites·25 claims
- 1298US10216559B2Diagnostic fault communicationALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Feb 26, 2019·18 cites·41 claims
- 1398US10145908B2Method and apparatus for magnetic sensor producing a changing magnetic fieldALLEGRO MICROSYSTEMS LLC·Filed 2013·Granted Dec 4, 2018·28 cites·20 claims
- 1498US10041810B2Arrangements for magnetic field sensors that act as movement detectorsALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Aug 7, 2018·16 cites·18 claims
- 1598US9810519B2Arrangements for magnetic field sensors that act as tooth detectorsALLEGRO MICROSYSTEMS LLC·Filed 2013·Granted Nov 7, 2017·27 cites·18 claims
- 1698US9620705B2Methods and apparatus for magnetic sensor having non-conductive die paddleALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Apr 11, 2017·19 cites·36 claims
- 1798US9605975B2Magnetic field sensor for orientation independent speed and direction measurementALLEGRO MICROSYSTEMS LLC·Filed 2015·Granted Mar 28, 2017·22 cites·29 claims
- 1898US9151771B2Apparatus and method for providing an output signal indicative of a speed of rotation and a direction of rotation of a ferromagnetic objectALLEGRO MICROSYSTEMS LLC·Filed 2013·Granted Oct 6, 2015·23 cites·16 claims
- 1998US9151807B2Circuits and methods for generating a self-test of a magnetic field sensorALLEGRO MICROSYSTEMS LLC·Filed 2014·Granted Oct 6, 2015·32 cites·24 claims
- 2098US8692546B2Circuits and methods for generating a diagnostic mode of operation in a magnetic field sensorALLEGRO MICROSYSTEMS LLC·Filed 2013·Granted Apr 8, 2014·51 cites·31 claims
- 2197US11927650B2Magnetic-field closed-loop sensors with diagnosticsALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Mar 12, 2024·4 cites·36 claims
- 2297US11768230B1Current sensor integrated circuit with a dual gauge lead frameALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Sep 26, 2023·7 cites·24 claims
- 2397US11630169B1Fabricating a coil above and below a magnetoresistance elementALLEGRO MICROSYSTEMS LLC·Filed 2022·Granted Apr 18, 2023·4 cites·22 claims
- 2497US11519946B1Packaged current sensor integrated circuitALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Dec 6, 2022·13 cites·21 claims
- 2597US11493361B2Stray field immune coil-activated sensorALLEGRO MICROSYSTEMS LLC·Filed 2021·Granted Nov 8, 2022·5 cites·20 claims
- 2697US11408948B2Linear bridge having nonlinear elements for operation in high magnetic field intensitiesALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Aug 9, 2022·5 cites·20 claims
- 2797US11326903B1Rotary inductive sensorALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted May 10, 2022·9 cites·16 claims
- 2897US11320466B1Differential current sensorALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted May 3, 2022·11 cites·29 claims
- 2997US11313924B2Method and apparatus for magnetic sensor producing a changing magnetic fieldALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Apr 26, 2022·4 cites·20 claims
- 3097US11272591B1Constant power light emitting diode (LED) driverALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Mar 8, 2022·5 cites·28 claims
- 3197US11163019B1Magnetic field sensors having stray field rejectionALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted Nov 2, 2021·9 cites·19 claims
- 3297US11112230B2Angle sensor using eddy currentsALLEGRO MICROSYSTEMS LLC·Filed 2019·Granted Sep 7, 2021·13 cites·84 claims
- 3397US11005036B2Magnetoresistance structure including two hard masksALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted May 11, 2021·5 cites·20 claims
- 3497US11002807B2Magnetoresistance element with increased operational rangeALLEGRO MICROSYSTEMS LLC·Filed 2020·Granted May 11, 2021·6 cites·47 claims
- 3597US10908232B2Gain equalization for multiple axis magnetic field sensingALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Feb 2, 2021·12 cites·8 claims
- 3697US10837943B2Magnetic field sensor with error calculationALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Nov 17, 2020·12 cites·26 claims
- 3797US10734443B2Dual manetoresistance element with two directions of response to external magnetic fieldsALLEGRO MICROSYSTEMS LLC·Filed 2019·Granted Aug 4, 2020·15 cites·33 claims
- 3897US10670672B2Method and apparatus for magnetic sensor producing a changing magnetic fieldALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Jun 2, 2020·10 cites·24 claims
- 3997US10580289B2Sensor integrated circuits and methods for safety critical applicationsALLEGRO MICROSYSTEMS LLC·Filed 2019·Granted Mar 3, 2020·13 cites·29 claims
- 4097US10509058B2Current sensor using modulation of or change of sensitivity of magnetoresistance elementsALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Dec 17, 2019·19 cites·21 claims
- 4197US10380879B2Sensor integrated circuits and methods for safety critical applicationsALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Aug 13, 2019·22 cites·35 claims
- 4297US10347277B2Magnetoresistance element with improved response to magnetic fieldsALLEGRO MICROSYSTEMS LLC·Filed 2018·Granted Jul 9, 2019·12 cites·28 claims
- 4397US10345343B2Current sensor isolationALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Jul 9, 2019·24 cites·22 claims
- 4497US10333055B2Methods for magnetic sensor having non-conductive die paddleALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Jun 25, 2019·14 cites·12 claims
- 4597US10254103B2Arrangements for magnetic field sensors that act as tooth detectorsALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Apr 9, 2019·14 cites·34 claims
- 4697US10132879B2Gain equalization for multiple axis magnetic field sensingALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Nov 20, 2018·17 cites·19 claims
- 4797US10114085B2Magnetic field sensor with improved response immunityALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted Oct 30, 2018·12 cites·37 claims
- 4897US10074939B1Signal isolator having inductive and capacitive signal couplingALLEGRO MICROSYSTEMS LLC·Filed 2017·Granted Sep 11, 2018·24 cites·21 claims
- 4997US9958482B1Systems and methods for a high isolation current sensorALLEGRO MICROSYSTEMS LLC·Filed 2016·Granted May 1, 2018·36 cites·28 claims
- 5097US9823092B2Magnetic field sensor providing a movement detectorALLEGRO MICROSYSTEMS LLC·Filed 2014·Granted Nov 21, 2017·38 cites·32 claims
Showing the top 50 of 870 patent records by PatentIndex Score.
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