Hejinsheng Cao

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detecting state of battery
- Patent number 10,634,728
- Issue date Apr 28, 2020
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Xiaodong Huang
- G01 - MEASURING TESTING
Information Patent Grant
Loudspeaker diaphragm state estimation method and loudspeaker drivi...
- Patent number 10,356,541
- Issue date Jul 16, 2019
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Hejinsheng Cao
- G01 - MEASURING TESTING
Information Patent Grant
Battery balance circuit and battery apparatus thereof
- Patent number 10,348,100
- Issue date Jul 9, 2019
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Hejinsheng Cao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Loudspeaker driving apparatus and loudspeaker driving method
- Patent number 10,181,831
- Issue date Jan 15, 2019
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Hejinsheng Cao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method of balancing battery power
- Patent number 10,164,440
- Issue date Dec 25, 2018
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Hejinsheng Cao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Loudspeaker diaphragm state estimation method and loudspeaker drivi...
- Patent number 10,051,394
- Issue date Aug 14, 2018
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Hejinsheng Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Class-D audio amplifier
- Patent number 9,955,257
- Issue date Apr 24, 2018
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Huaping Zhu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DC impedance detection circuit and method for speaker
- Patent number 9,716,954
- Issue date Jul 25, 2017
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Hejinsheng Cao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Battery power measuring method, measuring device and battery-powere...
- Patent number 9,645,200
- Issue date May 9, 2017
- Silergy Semiconductor Technology (Hangzhou) Ltd.
- Feng Yu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
LOUDSPEAKER DIAPHRAGM STATE ESTIMATION METHOD AND LOUDSPEAKER DRIVI...
- Publication number 20180288544
- Publication date Oct 4, 2018
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Hejinsheng Cao
- G01 - MEASURING TESTING
Information Patent Application
LOUDSPEAKER DRIVING APPARATUS AND LOUDSPEAKER DRIVING METHOD
- Publication number 20180138876
- Publication date May 17, 2018
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Hejinsheng Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER DIAPHRAGM STATE ESTIMATION METHOD AND LOUDSPEAKER DRIVI...
- Publication number 20180139552
- Publication date May 17, 2018
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Hejinsheng Cao
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND APPARATUS FOR DETECTING STATE OF BATTERY
- Publication number 20170370995
- Publication date Dec 28, 2017
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Xiaodong Huang
- G01 - MEASURING TESTING
Information Patent Application
METHOD OF BALANCING BATTERY POWER
- Publication number 20170110892
- Publication date Apr 20, 2017
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Hejinsheng Cao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY BALANCE CIRCUIT AND BATTERY APPARATUS THEREOF
- Publication number 20170110893
- Publication date Apr 20, 2017
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Hejinsheng Cao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CLASS-D AUDIO AMPLIFIER
- Publication number 20170054416
- Publication date Feb 23, 2017
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Huaping Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DC IMPEDANCE DETECTION CIRCUIT AND METHOD FOR SPEAKER
- Publication number 20160212556
- Publication date Jul 21, 2016
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Hejinsheng Cao
- G01 - MEASURING TESTING
Information Patent Application
BATTERY POWER MEASURING METHOD, MEASURING DEVICE AND BATTERY-POWERE...
- Publication number 20140163910
- Publication date Jun 12, 2014
- SILERGY SEMICONDUCTOR TECHNOLOGY (HANGZHOU) LTD
- Feng Yu
- G01 - MEASURING TESTING

Hejinsheng Cao

Person

Patents Grantslast 30 patents

Method and apparatus for detecting state of battery

Loudspeaker diaphragm state estimation method and loudspeaker drivi...

Battery balance circuit and battery apparatus thereof

Loudspeaker driving apparatus and loudspeaker driving method

Method of balancing battery power

Loudspeaker diaphragm state estimation method and loudspeaker drivi...

Class-D audio amplifier

DC impedance detection circuit and method for speaker

Battery power measuring method, measuring device and battery-powere...

Patents Applicationslast 30 patents

LOUDSPEAKER DIAPHRAGM STATE ESTIMATION METHOD AND LOUDSPEAKER DRIVI...

LOUDSPEAKER DRIVING APPARATUS AND LOUDSPEAKER DRIVING METHOD

LOUDSPEAKER DIAPHRAGM STATE ESTIMATION METHOD AND LOUDSPEAKER DRIVI...

METHOD AND APPARATUS FOR DETECTING STATE OF BATTERY

METHOD OF BALANCING BATTERY POWER

BATTERY BALANCE CIRCUIT AND BATTERY APPARATUS THEREOF

CLASS-D AUDIO AMPLIFIER

DC IMPEDANCE DETECTION CIRCUIT AND METHOD FOR SPEAKER

BATTERY POWER MEASURING METHOD, MEASURING DEVICE AND BATTERY-POWERE...