Weihua Chen

Person

Westford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for proximity sensing circuitry
- Patent number 9,599,448
- Issue date Mar 21, 2017
- Rockwell Automation Technologies, Inc.
- George E. Rollins
- G01 - MEASURING TESTING
Information Patent Grant
Reinforced isolation for current sensor with magnetic field transducer
- Patent number 8,907,437
- Issue date Dec 9, 2014
- Allegro Microsystems, LLC
- Shaun D. Milano
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for reducing a transient signal in a magnetic...
- Patent number 8,542,011
- Issue date Sep 24, 2013
- Allegro Microsystems, LLC
- Weihua Chen
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for reducing a transient signal in a magnetic...
- Patent number 8,451,002
- Issue date May 28, 2013
- Allegro Microsystems, LLC
- Weihua Chen
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for reducing a transient signal in a magnetic...
- Patent number 8,339,134
- Issue date Dec 25, 2012
- Allegro Microsystems, Inc.
- Weihua Chen
- G01 - MEASURING TESTING
Information Patent Grant
Inductive proximity sensor
- Patent number 8,258,777
- Issue date Sep 4, 2012
- Weihua Chen
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for inductive proximity sensing that includes mou...
- Patent number 8,188,730
- Issue date May 29, 2012
- Rockwell Automation Technologies, Inc.
- Xiaofeng Gong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and methods for an inductive proximity sensor
- Patent number 7,994,777
- Issue date Aug 9, 2011
- Rockwell Automation Technologies, Inc.
- George E. Rollins
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sensor and method including noise compensation
- Patent number 7,675,285
- Issue date Mar 9, 2010
- Rockwell Automation Technologies, Inc.
- Weihua Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sensor and method
- Patent number 7,274,189
- Issue date Sep 25, 2007
- Rockwell Automation Technologies, Inc.
- Weihua Chen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR REDUCING A TRANSIENT SIGNAL IN A MAGNETIC...
- Publication number 20130214778
- Publication date Aug 22, 2013
- Allegro Microsystems, LLC
- Weihua Chen
- G01 - MEASURING TESTING
Information Patent Application
Reinforced Isolation for Current Sensor with Magnetic Field Transducer
- Publication number 20130020660
- Publication date Jan 24, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Shaun D. Milano
- G01 - MEASURING TESTING
Information Patent Application
Apparatus And Method For Reducing A Transient Signal In A Magnetic...
- Publication number 20130009638
- Publication date Jan 10, 2013
- ALLEGRO MICROSYSTEMS, INC.
- Weihua Chen
- G01 - MEASURING TESTING
Information Patent Application
Apparatus and Method for Reducing a Transient Signal in a Magnetic...
- Publication number 20120086444
- Publication date Apr 12, 2012
- ALLEGRO MICROSYSTEMS, INC.
- Weihua Chen
- G01 - MEASURING TESTING
Information Patent Application
INDUCTIVE PROXIMITY SENSOR
- Publication number 20110057668
- Publication date Mar 10, 2011
- Weihua Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and System for Inductive Proximity Sensing that Includes Mou...
- Publication number 20100060270
- Publication date Mar 11, 2010
- Xiaofeng Gong
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
APPARATUS AND METHODS FOR PROXIMITY SENSING CIRCUITRY
- Publication number 20090140727
- Publication date Jun 4, 2009
- George E. Rollins
- G01 - MEASURING TESTING
Information Patent Application
APPARATUS AND METHODS FOR AN INDUCTIVE PROXIMITY SENSOR
- Publication number 20090085560
- Publication date Apr 2, 2009
- George E. Rollins
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Sensor and method including noise compensation
- Publication number 20060061351
- Publication date Mar 23, 2006
- Rockwell Automation Technologies, Inc.
- Weihua Chen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Sensor and method
- Publication number 20060049827
- Publication date Mar 9, 2006
- Rockwell Automation Technologies, Inc.
- Weihua Chen
- H03 - BASIC ELECTRONIC CIRCUITRY

Weihua Chen

Person

Patents Grantslast 30 patents

Apparatus and methods for proximity sensing circuitry

Reinforced isolation for current sensor with magnetic field transducer

Apparatus and method for reducing a transient signal in a magnetic...

Apparatus and method for reducing a transient signal in a magnetic...

Apparatus and method for reducing a transient signal in a magnetic...

Inductive proximity sensor

Method and system for inductive proximity sensing that includes mou...

Apparatus and methods for an inductive proximity sensor

Sensor and method including noise compensation

Sensor and method

Patents Applicationslast 30 patents

APPARATUS AND METHOD FOR REDUCING A TRANSIENT SIGNAL IN A MAGNETIC...

Reinforced Isolation for Current Sensor with Magnetic Field Transducer

Apparatus And Method For Reducing A Transient Signal In A Magnetic...

Apparatus and Method for Reducing a Transient Signal in a Magnetic...

INDUCTIVE PROXIMITY SENSOR

Method and System for Inductive Proximity Sensing that Includes Mou...

APPARATUS AND METHODS FOR PROXIMITY SENSING CIRCUITRY

APPARATUS AND METHODS FOR AN INDUCTIVE PROXIMITY SENSOR

Sensor and method including noise compensation

Sensor and method