P. Karl Scheller

Person

Bow, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for magnetic field sensors with self-test
- Patent number 11,585,868
- Issue date Feb 21, 2023
- ALLEGRO MICROSYSTEMS, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for monitoring a level of a regulated source
- Patent number 11,243,234
- Issue date Feb 8, 2022
- ALLEGRO MICROSYSTEMS, LLC
- Sam Tran
- G01 - MEASURING TESTING
Information Patent Grant
Diagnostic circuits and methods for sensor test circuits
- Patent number 11,194,004
- Issue date Dec 7, 2021
- ALLEGRO MICROSYSTEMS, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Grant
Methods and apparatus for monitoring a level of a regulated source
- Patent number 10,837,987
- Issue date Nov 17, 2020
- ALLEGRO MICROSYSTEMS, LLC
- Sam Tran
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for magnetic field sensors with self-test
- Patent number 10,782,363
- Issue date Sep 22, 2020
- ALLEGRO MICROSYSTEMS, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and methods for extending sensor integrated circuit opera...
- Patent number 10,411,498
- Issue date Sep 10, 2019
- ALLEGRO MICROSYSTEMS, LLC
- Eric G. Shoemaker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and apparatus for monitoring a level of a regulated source
- Patent number 10,209,279
- Issue date Feb 19, 2019
- ALLEGRO MICROSYSTEMS, LLC
- Sam Tran
- G01 - MEASURING TESTING
Information Patent Grant
Systems and methods for magnetic field sensors with self-test
- Patent number 9,851,416
- Issue date Dec 26, 2017
- Allegro Microsystems, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Grant
Arrangements for magnetic field sensors that act as tooth detectors
- Patent number 9,810,519
- Issue date Nov 7, 2017
- Allegro Microsystems, LLC
- William P. Taylor
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field sensor integrated circuit with integral ferromagneti...
- Patent number 9,812,588
- Issue date Nov 7, 2017
- Allegro Microsystems, LLC
- Ravi Vig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuits and methods for modulating current in circuits comprising...
- Patent number 9,523,742
- Issue date Dec 20, 2016
- Allegro Microsystems, LLC
- Jay M. Towne
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and apparatus for supply voltage transient protection for m...
- Patent number 9,520,871
- Issue date Dec 13, 2016
- Allegro Microsystems, LLC
- Jeff Eagen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Integrated circuit package having a split lead frame
- Patent number 9,494,660
- Issue date Nov 15, 2016
- Allegro Microsystems, LLC
- Paul David
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuits and methods for generating a threshold signal used in a mo...
- Patent number 9,476,899
- Issue date Oct 25, 2016
- Allegro Microsystems, LLC
- Devon Fernandez
- G01 - MEASURING TESTING
Information Patent Grant
Gear tooth sensor with peak and threshold detectors
- Patent number 9,329,057
- Issue date May 3, 2016
- Allegro Microsystems, LLC
- Andrea Foletto
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field sensors and related techniques that can communicate...
- Patent number 9,222,990
- Issue date Dec 29, 2015
- Allegro Microsystems, LLC
- Daniel S. Dwyer
- G01 - MEASURING TESTING
Information Patent Grant
Circuits and methods for generating a self-test of a magnetic field...
- Patent number 9,151,807
- Issue date Oct 6, 2015
- Allegro Microsystems, LLC
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for providing an output signal indicative of a...
- Patent number 9,151,771
- Issue date Oct 6, 2015
- Allegro Microsystems, LLC
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Grant
High accuracy differential current sensor for applications like gro...
- Patent number 9,081,041
- Issue date Jul 14, 2015
- Allegro Microsystems, LLC
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Grant
Angle sensor with misalignment detection and correction
- Patent number 9,007,054
- Issue date Apr 14, 2015
- Allegro Microsystems, LLC
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for providing an output signal indicative of a...
- Patent number 8,994,369
- Issue date Mar 31, 2015
- Allegro Microsystems, LLC
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field sensor having multiple sensing elements and a progra...
- Patent number 8,896,295
- Issue date Nov 25, 2014
- Allegro Microsystems, LLC
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field sensors and related techniques that can provide a se...
- Patent number 8,860,404
- Issue date Oct 14, 2014
- Allegro Microsystems, LLC
- Daniel S. Dwyer
- G01 - MEASURING TESTING
Information Patent Grant
Circuits and methods for generating a self-test of a magnetic field...
- Patent number 8,818,749
- Issue date Aug 26, 2014
- Allegro Microsystems, LLC
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field sensors and related techniques that can provide self...
- Patent number 8,754,640
- Issue date Jun 17, 2014
- Allegro Microsystems, LLC
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Grant
Circuits and methods for generating a threshold signal used in a ma...
- Patent number 8,723,512
- Issue date May 13, 2014
- Allegro Microsystems, LLC
- Eric Burdette
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for providing an output signal indicative of a...
- Patent number 8,624,588
- Issue date Jan 7, 2014
- Allegro Microsystems, LLC
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Grant
Circuits and methods for generating a self-test of a magnetic field...
- Patent number 8,447,556
- Issue date May 21, 2013
- Allegro Microsystems, Inc.
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic field detector having a variable threshold
- Patent number 8,089,270
- Issue date Jan 3, 2012
- Allegro Microsystems, Inc.
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Grant
Circuits and methods for providing a magnetic field sensor with an...
- Patent number 8,058,864
- Issue date Nov 15, 2011
- Allegro Microsystems, Inc.
- P. Karl Scheller
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DIAGNOSTIC CIRCUITS AND METHODS FOR SENSOR TEST CIRCUITS
- Publication number 20210247478
- Publication date Aug 12, 2021
- ALLEGRO MICROSYSTEMS, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Application
Methods And Apparatus For Monitoring A Level Of A Regulated Source
- Publication number 20210048456
- Publication date Feb 18, 2021
- ALLEGRO MICROSYSTEMS, LLC
- Sam Tran
- G01 - MEASURING TESTING
Information Patent Application
SYSTEMS AND METHODS FOR MAGNETIC FIELD SENSORS WITH SELF-TEST
- Publication number 20200379061
- Publication date Dec 3, 2020
- ALLEGRO MICROSYSTEMS, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Application
Methods And Apparatus For Monitoring A Level Of A Regulated Source
- Publication number 20190128930
- Publication date May 2, 2019
- ALLEGRO MICROSYSTEMS, LLC
- Sam Tran
- G01 - MEASURING TESTING
Information Patent Application
Systems And Methods For Magnetic Field Sensors With Self-Test
- Publication number 20180088184
- Publication date Mar 29, 2018
- Allegro Microsystems, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHODS FOR EXTENDING SENSOR INTEGRATED CIRCUIT OPERA...
- Publication number 20170117801
- Publication date Apr 27, 2017
- Allegro Microsystems, LLC
- Eric G. Shoemaker
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND APPARATUS FOR MONITORING A LEVEL OF A REGULATED SOURCE
- Publication number 20160377663
- Publication date Dec 29, 2016
- Allegro Microsystems, LLC
- Jay M. Towne
- G01 - MEASURING TESTING
Information Patent Application
CIRCUITS AND METHODS FOR MODULATING CURRENT IN CIRCUITS COMPRISING...
- Publication number 20160313407
- Publication date Oct 27, 2016
- Allegro Microsystems, LLC
- Jay M. Towne
- G01 - MEASURING TESTING
Information Patent Application
Systems and Methods for Magnetic Field Sensors with Self-Test
- Publication number 20160025820
- Publication date Jan 28, 2016
- Allegro Microsystems, LLC
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Application
Circuits and Methods for Generating a Threshold Signal Used in a Mo...
- Publication number 20150061656
- Publication date Mar 5, 2015
- Allegro Microsystems, LLC
- Devon Fernandez
- G01 - MEASURING TESTING
Information Patent Application
Arrangements for Magnetic Field Sensors That Act as Tooth Detectors
- Publication number 20150022187
- Publication date Jan 22, 2015
- Allegro Microsystems, LLC
- William P. Taylor
- G01 - MEASURING TESTING
Information Patent Application
Circuits and Methods for Generating a Self-Test of a Magnetic Field...
- Publication number 20140312883
- Publication date Oct 23, 2014
- Allegro Microsystems, LLC
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Application
CIRCUITS AND METHODS FOR GENERATING A THRESHOLD SIGNAL USED IN A MA...
- Publication number 20140145711
- Publication date May 29, 2014
- Eric Burdette
- G01 - MEASURING TESTING
Information Patent Application
Apparatus and Method for Providing an Output Signal Indicative of a...
- Publication number 20140084903
- Publication date Mar 27, 2014
- Allegro Microsystems, LLC
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Application
Apparatus and Method for Providing an Output Signal Indicative of a...
- Publication number 20140084904
- Publication date Mar 27, 2014
- Allegro Microsystems, LLC
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Field Sensors And Related Techniques That Can Provide A Se...
- Publication number 20130335068
- Publication date Dec 19, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Daniel S. Dwyer
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Field Sensors and Related Techniques That Can Provide Self...
- Publication number 20130335074
- Publication date Dec 19, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Daniel S. Dwyer
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Field Sensors and Related Techniques That Can Provide Self...
- Publication number 20130335069
- Publication date Dec 19, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Application
GEAR TOOTH SENSOR WITH PEAK AND THRESHOLD DETECTORS
- Publication number 20130320970
- Publication date Dec 5, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Andrea Foletto
- G01 - MEASURING TESTING
Information Patent Application
ANGLE SENSOR WITH MISALIGNMENT DETECTION AND CORRECTION
- Publication number 20130265037
- Publication date Oct 10, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Application
HIGH ACCURACY DIFFERENTIAL CURRENT SENSOR FOR APPLICATIONS LIKE GRO...
- Publication number 20130265041
- Publication date Oct 10, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC FIELD SENSOR HAVING MULTIPLE SENSING ELEMENTS FOR MISALIGN...
- Publication number 20130265036
- Publication date Oct 10, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Field Sensor Integrated Circuit with Integral Ferromagneti...
- Publication number 20130249029
- Publication date Sep 26, 2013
- Allegro Microsystems, LLC
- Ravi Vig
- G01 - MEASURING TESTING
Information Patent Application
INTEGRATED CIRCUIT PACKAGE HAVING A SPLIT LEAD FRAME
- Publication number 20130249546
- Publication date Sep 26, 2013
- Allegro Microsystems, LLC
- Paul David
- G01 - MEASURING TESTING
Information Patent Application
METHODS AND APPARATUS FOR SUPPLY VOLTAGE TRANSIENT PROTECTION
- Publication number 20130176012
- Publication date Jul 11, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Jeff Eagen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Circuits and Methods for Generating a Self-Test of a Magnetic Field...
- Publication number 20130134965
- Publication date May 30, 2013
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Application
Circuits and Methods for Providing a Magnetic Field Sensor with an...
- Publication number 20100264909
- Publication date Oct 21, 2010
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC FIELD DETECTOR HAVING A VARIABLE THRESHOLD
- Publication number 20100231202
- Publication date Sep 16, 2010
- P. Karl Scheller
- G01 - MEASURING TESTING
Information Patent Application
Circuits and Methods for Generating a Self-Test of a Magnetic Field...
- Publication number 20100211347
- Publication date Aug 19, 2010
- ALLEGRO MICROSYSTEMS, INC.
- Andreas P. Friedrich
- G01 - MEASURING TESTING
Information Patent Application
DIRECTION DETECTION SENSOR
- Publication number 20100181993
- Publication date Jul 22, 2010
- Devon Fernandez
- G01 - MEASURING TESTING

P. Karl Scheller

Person

Patents Grantslast 30 patents

Systems and methods for magnetic field sensors with self-test

Methods and apparatus for monitoring a level of a regulated source

Diagnostic circuits and methods for sensor test circuits

Methods and apparatus for monitoring a level of a regulated source

Systems and methods for magnetic field sensors with self-test

Apparatus and methods for extending sensor integrated circuit opera...

Methods and apparatus for monitoring a level of a regulated source

Systems and methods for magnetic field sensors with self-test

Arrangements for magnetic field sensors that act as tooth detectors

Magnetic field sensor integrated circuit with integral ferromagneti...

Circuits and methods for modulating current in circuits comprising...

Methods and apparatus for supply voltage transient protection for m...

Integrated circuit package having a split lead frame

Circuits and methods for generating a threshold signal used in a mo...

Gear tooth sensor with peak and threshold detectors

Magnetic field sensors and related techniques that can communicate...

Circuits and methods for generating a self-test of a magnetic field...

Apparatus and method for providing an output signal indicative of a...

High accuracy differential current sensor for applications like gro...

Angle sensor with misalignment detection and correction

Apparatus and method for providing an output signal indicative of a...

Magnetic field sensor having multiple sensing elements and a progra...

Magnetic field sensors and related techniques that can provide a se...

Circuits and methods for generating a self-test of a magnetic field...

Magnetic field sensors and related techniques that can provide self...

Circuits and methods for generating a threshold signal used in a ma...

Apparatus and method for providing an output signal indicative of a...

Circuits and methods for generating a self-test of a magnetic field...

Magnetic field detector having a variable threshold

Circuits and methods for providing a magnetic field sensor with an...

Patents Applicationslast 30 patents

DIAGNOSTIC CIRCUITS AND METHODS FOR SENSOR TEST CIRCUITS

Methods And Apparatus For Monitoring A Level Of A Regulated Source

SYSTEMS AND METHODS FOR MAGNETIC FIELD SENSORS WITH SELF-TEST

Methods And Apparatus For Monitoring A Level Of A Regulated Source

Systems And Methods For Magnetic Field Sensors With Self-Test

APPARATUS AND METHODS FOR EXTENDING SENSOR INTEGRATED CIRCUIT OPERA...

METHODS AND APPARATUS FOR MONITORING A LEVEL OF A REGULATED SOURCE

CIRCUITS AND METHODS FOR MODULATING CURRENT IN CIRCUITS COMPRISING...

Systems and Methods for Magnetic Field Sensors with Self-Test

Circuits and Methods for Generating a Threshold Signal Used in a Mo...

Arrangements for Magnetic Field Sensors That Act as Tooth Detectors

Circuits and Methods for Generating a Self-Test of a Magnetic Field...

CIRCUITS AND METHODS FOR GENERATING A THRESHOLD SIGNAL USED IN A MA...

Apparatus and Method for Providing an Output Signal Indicative of a...

Apparatus and Method for Providing an Output Signal Indicative of a...

Magnetic Field Sensors And Related Techniques That Can Provide A Se...

Magnetic Field Sensors and Related Techniques That Can Provide Self...

Magnetic Field Sensors and Related Techniques That Can Provide Self...

GEAR TOOTH SENSOR WITH PEAK AND THRESHOLD DETECTORS

ANGLE SENSOR WITH MISALIGNMENT DETECTION AND CORRECTION

HIGH ACCURACY DIFFERENTIAL CURRENT SENSOR FOR APPLICATIONS LIKE GRO...

MAGNETIC FIELD SENSOR HAVING MULTIPLE SENSING ELEMENTS FOR MISALIGN...

Magnetic Field Sensor Integrated Circuit with Integral Ferromagneti...

INTEGRATED CIRCUIT PACKAGE HAVING A SPLIT LEAD FRAME

METHODS AND APPARATUS FOR SUPPLY VOLTAGE TRANSIENT PROTECTION

Circuits and Methods for Generating a Self-Test of a Magnetic Field...

Circuits and Methods for Providing a Magnetic Field Sensor with an...

MAGNETIC FIELD DETECTOR HAVING A VARIABLE THRESHOLD

Circuits and Methods for Generating a Self-Test of a Magnetic Field...

DIRECTION DETECTION SENSOR