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Seoul, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Amplifier capable of controlling cut-off frequency in real time and...
Patent number
9,414,163
Issue date
Aug 9, 2016
Neofidelity, Inc.
Yeongha Choi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for dynamically adjusting gain of parametric equalizer accor...
Patent number
9,288,579
Issue date
Mar 15, 2016
Neofidelity, Inc.
Yeongha Choi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker with built-in filter for digital amplifier
Patent number
8,965,009
Issue date
Feb 24, 2015
Neofidelity, Inc.
Soo Myung Kim
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiband DRC system and method for controlling the same
Patent number
8,600,076
Issue date
Dec 3, 2013
Neofidelity, Inc.
Yeongha Choi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power supply circuit including voltage regulator and headphone driv...
Patent number
8,452,025
Issue date
May 28, 2013
Neofidelity, Inc.
Yeongha Choi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Necklace type detachable three dimensional sound reproduction appar...
Patent number
8,315,416
Issue date
Nov 20, 2012
Neofidelity, Inc.
Duck Soo Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching device of digital amplifier and method for driving the same
Patent number
8,283,976
Issue date
Oct 9, 2012
Neofidelity, Inc.
Yeongha Choi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Media playback apparatus having speakers with rotatable connecting...
Patent number
8,275,159
Issue date
Sep 25, 2012
Neofidelity, Inc.
Duck Soo Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR INTERLEAVING DIGITAL AUDIO SIGNAL INCLUDING P...
Publication number
20170359043
Publication date
Dec 14, 2017
NEOFIDELITY, INC.
Yeongha CHOI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CAPABLE OF CONTROLLING CUT-OFF FREQUENCY IN REAL TIME AND...
Publication number
20150264481
Publication date
Sep 17, 2015
Neofidelity, Inc.
Yeongha CHOI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
QUANTIZER WITH SIGMA-DELTA MODULATOR, ANALOG-TO-DIGITAL CONVERTER I...
Publication number
20140347200
Publication date
Nov 27, 2014
Neofidelity, Inc.
Junsoo CHO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD FOR DYNAMICALLY ADJUSTING GAIN OF PARAMETRIC EQUALIZER ACCOR...
Publication number
20140211968
Publication date
Jul 31, 2014
Neofidelity, Inc.
Yeongha CHOI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER WITH BUILT-IN FILTER FOR DIGITAL AMPLIFIER
Publication number
20130223670
Publication date
Aug 29, 2013
Neofidelity, Inc.
Soo Myung KIM
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POWER SUPPLY CIRCUIT INCLUDING VOLTAGE REGULATOR AND HEADPHONE DRIV...
Publication number
20110222702
Publication date
Sep 15, 2011
Neofidelity, Inc.
Yeongha CHOI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SWITCHING DEVICE OF DIGITAL AMPLIFIER AND METHOD FOR DRIVING THE SAME
Publication number
20110181356
Publication date
Jul 28, 2011
Neofidelity, Inc.
Yeongha CHOI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MULTIBAND DRC SYSTEM AND METHOD FOR CONTROLLING THE SAME
Publication number
20110110533
Publication date
May 12, 2011
Neofidelity, Inc.
Yeongha CHOI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Method for cancelling TDD noise and stereo headphone employing the...
Publication number
20090225999
Publication date
Sep 10, 2009
NEOFIDELITY, INC.
Duck Soo LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Detachable Audio Module And Media Player Including The Same
Publication number
20080015716
Publication date
Jan 17, 2008
Neofidelity , Inc.
Duck Soo LEE
G11 - INFORMATION STORAGE
Information
Patent Application
Necklace Type Detachable Three Dimensional Sound Reproduction Appar...
Publication number
20080013778
Publication date
Jan 17, 2008
Neofidelity, Inc.
Duck Soo LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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