Robert D. Christie

Person

Fife, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Motor control system with phase current polarity detection
- Patent number 10,924,052
- Issue date Feb 16, 2021
- ALLEGRO MICROSYSTEMS, LLC
- Kamyar Khosravi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reconstruction of an average motor supply current using phase curre...
- Patent number 10,819,257
- Issue date Oct 27, 2020
- ALLEGRO MICROSYSTEMS, LLC
- Kamyar Khosravi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage regulator having boost and charge pump functionality
- Patent number 10,511,223
- Issue date Dec 17, 2019
- ALLEGRO MICROSYSTEMS, LLC
- James McIntosh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Circuits and techniques for signaling between devices
- Patent number 9,935,452
- Issue date Apr 3, 2018
- Allegro Microsystems, LLC
- Christy Looby
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Motor control current zero crossing detector
- Patent number 9,780,706
- Issue date Oct 3, 2017
- Allegro Microsystems, LLC
- Gianluca Allegrini
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for sensing current through a low-side field ef...
- Patent number 9,735,773
- Issue date Aug 15, 2017
- Allegro Microsystems, LLC
- James McIntosh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electric motor drive isolation circuit
- Patent number 9,496,708
- Issue date Nov 15, 2016
- Allegro Microsystems, LLC
- Edward Chappell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-stage slew rate control profiling for transistor drive applic...
- Patent number 9,294,084
- Issue date Mar 22, 2016
- Allegro Microsystems, LLC
- James McIntosh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Methods and apparatus for switching regulator control
- Patent number 7,649,325
- Issue date Jan 19, 2010
- Allegro Microsystems, Inc.
- James A. McIntosh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
MOTOR CONTROL SYSTEM WITH PHASE CURRENT POLARITY DETECTION
- Publication number 20210044242
- Publication date Feb 11, 2021
- ALLEGRO MICROSYSTEMS, LLC
- Kamyar Khosravi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE REGULATOR HAVING BOOST AND CHARGE PUMP FUNCTIONALITY
- Publication number 20180166984
- Publication date Jun 14, 2018
- Allegro Microsystems, LLC
- James McIntosh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR CONTROL CURRENT ZERO CROSSING DETECTOR
- Publication number 20170229986
- Publication date Aug 10, 2017
- Allegro Microsystems, LLC
- Gianluca Allegrini
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CIRCUITS AND TECHNIQUES FOR SIGNALING BETWEEN DEVICES
- Publication number 20170141562
- Publication date May 18, 2017
- Allegro Microsystems, LLC
- Christy Looby
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Systems and Methods for Sensing Current Through a Low-Side Field Ef...
- Publication number 20150311894
- Publication date Oct 29, 2015
- Allegro Microsystems, LLC
- James McIntosh
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electric Motor Drive Isolation Circuit
- Publication number 20150288304
- Publication date Oct 8, 2015
- Allegro Microsystems, LLC
- Edward Chappell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Transistor Overcurrent Detection
- Publication number 20130314836
- Publication date Nov 28, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Robert Douglas Christie
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Methods and apparatus for switching regulator control
- Publication number 20070229001
- Publication date Oct 4, 2007
- James A. McIntosh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Robert D. Christie

Person

Patents Grantslast 30 patents

Motor control system with phase current polarity detection

Reconstruction of an average motor supply current using phase curre...

Voltage regulator having boost and charge pump functionality

Circuits and techniques for signaling between devices

Motor control current zero crossing detector

Systems and methods for sensing current through a low-side field ef...

Electric motor drive isolation circuit

Multi-stage slew rate control profiling for transistor drive applic...

Methods and apparatus for switching regulator control

Patents Applicationslast 30 patents

MOTOR CONTROL SYSTEM WITH PHASE CURRENT POLARITY DETECTION

VOLTAGE REGULATOR HAVING BOOST AND CHARGE PUMP FUNCTIONALITY

MOTOR CONTROL CURRENT ZERO CROSSING DETECTOR

CIRCUITS AND TECHNIQUES FOR SIGNALING BETWEEN DEVICES

Systems and Methods for Sensing Current Through a Low-Side Field Ef...

Electric Motor Drive Isolation Circuit

Transistor Overcurrent Detection

Methods and apparatus for switching regulator control