Ju-Hee CHANG

Person

Gyeonggi-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Audio accessory and audio output method
- Patent number 10,187,726
- Issue date Jan 22, 2019
- Samsung Electronics Co., Ltd.
- Ju-Hee Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mobile terminal without microphone hole
- Patent number 9,838,517
- Issue date Dec 5, 2017
- Samsung Electronics Co., Ltd.
- Ju-Hee Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active noise cancellation in audio output device
- Patent number 9,741,334
- Issue date Aug 22, 2017
- Samsung Electronics Co., Ltd.
- Cheol Yong Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for outputting audio signal in portable terminal
- Patent number 9,497,531
- Issue date Nov 15, 2016
- Samsung Electronics Co., Ltd.
- Ju-Hee Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile device for multi-channel sound collection and output using c...
- Patent number 9,179,218
- Issue date Nov 3, 2015
- Samsung Electronics Co., Ltd.
- Sung-Hoon Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for processing audio signal in a mobile commun...
- Patent number 8,914,281
- Issue date Dec 16, 2014
- Samsung Electronics Co., Ltd.
- Gun-Hyun Yoon
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for outputting an audio signal in a portable t...
- Patent number 8,724,826
- Issue date May 13, 2014
- Samsung Electronics Co., Ltd.
- Ju-Hee Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Structure for electronically connecting between two devices
- Patent number 8,568,154
- Issue date Oct 29, 2013
- Samsung Electronics Co., Ltd.
- Ju-Hee Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker module of portable terminal and method of execution of spea...
- Patent number 8,412,285
- Issue date Apr 2, 2013
- Samsung Electronics Co., Ltd.
- Ju-Hee Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for reducing cross-talk between audio channels...
- Patent number 8,369,813
- Issue date Feb 5, 2013
- Samsung Electronics Co., Ltd.
- Sung-Hoon Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
AUDIO ACCESSORY AND AUDIO OUTPUT METHOD
- Publication number 20170150270
- Publication date May 25, 2017
- Samsung Electronics Co., Ltd.
- Ju-Hee CHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ACTIVE NOISE CANCELLATION IN AUDIO OUTPUT DEVICE
- Publication number 20160240185
- Publication date Aug 18, 2016
- Samsung Electronics Co., Ltd.
- Cheol Yong PARK
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MOBILE TERMINAL WITHOUT MICROPHONE HOLE
- Publication number 20150326699
- Publication date Nov 12, 2015
- Samsung Electronics Co., Ltd.
- Ju-Hee CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR OUTPUTTING AUDIO SIGNAL IN PORTABLE TERM...
- Publication number 20140241542
- Publication date Aug 28, 2014
- Samsung Electronics Co., Ltd.
- Ju-Hee CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRONIC DEVICE AND METHOD FOR ESTIMATING QUALITY OF SPEECH SIGNAL
- Publication number 20140129215
- Publication date May 8, 2014
- Samsung Electronics Co., Ltd.
- Nak-Jin CHOI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MOBILE DEVICE FOR MULTI-CHANNEL SOUND COLLECTION AND OUTPUT USING C...
- Publication number 20130064381
- Publication date Mar 14, 2013
- Samsung Electronics Co., Ltd.
- Sung-Hoon JEONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE TERMINAL WITHOUT MICROPHONE HOLE
- Publication number 20120270610
- Publication date Oct 25, 2012
- Samsung Electronics Co., Ltd.
- Ju-Hee CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL IN A MOBILE COMMUN...
- Publication number 20120084083
- Publication date Apr 5, 2012
- Samsung Electronics Co., Ltd.
- Gun-Hyun YOON
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPEAKER MODULE OF PORTABLE TERMINAL AND METHOD OF EXECUTION OF SPEA...
- Publication number 20110124379
- Publication date May 26, 2011
- Samsung Electronics Co. Ltd.
- Ju-Hee CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STRUCTURE FOR ELECTRONICALLY CONNECTING BETWEEN TWO DEVICES
- Publication number 20110104941
- Publication date May 5, 2011
- Samsung Electronics Co. Ltd.
- Ju-Hee CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR REDUCING CROSS-TALK BETWEEN AUDIO CHANNELS...
- Publication number 20110045775
- Publication date Feb 24, 2011
- Samsung Electronics Co., Ltd.
- Sung-Hoon JEONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR OUTPUTING AUDIO SIGNAL IN PORTABLE TERMINAL
- Publication number 20100310097
- Publication date Dec 9, 2010
- Samsung Electronics Co., Ltd.
- Ju-Hee CHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ju-Hee CHANG

Person

Patents Grantslast 30 patents

Audio accessory and audio output method

Mobile terminal without microphone hole

Active noise cancellation in audio output device

Apparatus and method for outputting audio signal in portable terminal

Mobile device for multi-channel sound collection and output using c...

Method and apparatus for processing audio signal in a mobile commun...

Apparatus and method for outputting an audio signal in a portable t...

Structure for electronically connecting between two devices

Speaker module of portable terminal and method of execution of spea...

Apparatus and method for reducing cross-talk between audio channels...

Patents Applicationslast 30 patents

AUDIO ACCESSORY AND AUDIO OUTPUT METHOD

ACTIVE NOISE CANCELLATION IN AUDIO OUTPUT DEVICE

MOBILE TERMINAL WITHOUT MICROPHONE HOLE

APPARATUS AND METHOD FOR OUTPUTTING AUDIO SIGNAL IN PORTABLE TERM...

ELECTRONIC DEVICE AND METHOD FOR ESTIMATING QUALITY OF SPEECH SIGNAL

MOBILE DEVICE FOR MULTI-CHANNEL SOUND COLLECTION AND OUTPUT USING C...

MOBILE TERMINAL WITHOUT MICROPHONE HOLE

METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL IN A MOBILE COMMUN...

SPEAKER MODULE OF PORTABLE TERMINAL AND METHOD OF EXECUTION OF SPEA...

STRUCTURE FOR ELECTRONICALLY CONNECTING BETWEEN TWO DEVICES

APPARATUS AND METHOD FOR REDUCING CROSS-TALK BETWEEN AUDIO CHANNELS...

APPARATUS AND METHOD FOR OUTPUTING AUDIO SIGNAL IN PORTABLE TERMINAL