Chun Feng Xia

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Operator controlled electrical output signal device with variable f...
- Patent number 10,942,540
- Issue date Mar 9, 2021
- Prince Industries, Inc.
- David Paul Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Operator controlled electrical output signal device with variable f...
- Patent number 9,836,077
- Issue date Dec 5, 2017
- Prince Industries, Inc.
- David Paul Smith
- G05 - CONTROLLING REGULATING
Information Patent Grant
Operator controlled electrical output signal device with variable f...
- Patent number 9,323,283
- Issue date Apr 26, 2016
- Prince Industries, Inc.
- David Paul Smith
- G05 - CONTROLLING REGULATING
Information Patent Grant
Soft start unit for a power converting device
- Patent number 8,035,360
- Issue date Oct 11, 2011
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage regulating circuit
- Patent number 7,795,854
- Issue date Sep 14, 2010
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Feedback and comparison apparatus and DC-DC voltage converter
- Patent number 7,772,820
- Issue date Aug 10, 2010
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power factor correction circuit and power supply apparatus thereof
- Patent number 7,728,570
- Issue date Jun 1, 2010
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power measuring apparatus
- Patent number 7,511,472
- Issue date Mar 31, 2009
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
OPERATOR CONTROLLED ELECTRICAL OUTPUT SIGNAL DEVICE WITH VARIABLE F...
- Publication number 20160202720
- Publication date Jul 14, 2016
- Prince Industries, Inc.
- David Paul Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPERATOR CONTROLLED ELECTRICAL OUTPUT SIGNAL DEVICE WITH VARIABLE F...
- Publication number 20140214273
- Publication date Jul 31, 2014
- Prince Industries, Inc.
- David Paul Smith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECTIFIER CIRCUIT
- Publication number 20120112719
- Publication date May 10, 2012
- Inventec Corporation
- Chun-Hua XIA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
POWER CONVERTING DEVICE
- Publication number 20100207593
- Publication date Aug 19, 2010
- Inventec Corporation
- Chun-Hua Xia
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
POWER SUPPLY AND BOOTSTRAP CIRCUIT THEREOF
- Publication number 20090231886
- Publication date Sep 17, 2009
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER FACTOR CORRECTION CIRCUIT AND POWER SUPPLY APPARATUS THEREOF
- Publication number 20090230937
- Publication date Sep 17, 2009
- Inventec Corporation
- Chun-Hua Xia
- G05 - CONTROLLING REGULATING
Information Patent Application
LINEAR STEP-DOWN VOLTAGE REGULATOR
- Publication number 20090153112
- Publication date Jun 18, 2009
- Inventec Corporation
- Chun-Hua Xia
- G05 - CONTROLLING REGULATING
Information Patent Application
VOLTAGE REGULATING CIRCUIT
- Publication number 20090146627
- Publication date Jun 11, 2009
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
FEEDBACK AND COMPARISON APPARATUS AND DC-DC VOLTAGE CONVERTER
- Publication number 20090085539
- Publication date Apr 2, 2009
- Inventec Corporation
- Chun-Hua Xia
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Chun Feng Xia

Person

Patents Grantslast 30 patents

Operator controlled electrical output signal device with variable f...

Operator controlled electrical output signal device with variable f...

Operator controlled electrical output signal device with variable f...

Soft start unit for a power converting device

Voltage regulating circuit

Feedback and comparison apparatus and DC-DC voltage converter

Power factor correction circuit and power supply apparatus thereof

Power measuring apparatus

Patents Applicationslast 30 patents

OPERATOR CONTROLLED ELECTRICAL OUTPUT SIGNAL DEVICE WITH VARIABLE F...

OPERATOR CONTROLLED ELECTRICAL OUTPUT SIGNAL DEVICE WITH VARIABLE F...

RECTIFIER CIRCUIT

POWER CONVERTING DEVICE

POWER SUPPLY AND BOOTSTRAP CIRCUIT THEREOF

POWER FACTOR CORRECTION CIRCUIT AND POWER SUPPLY APPARATUS THEREOF

LINEAR STEP-DOWN VOLTAGE REGULATOR

VOLTAGE REGULATING CIRCUIT

FEEDBACK AND COMPARISON APPARATUS AND DC-DC VOLTAGE CONVERTER