Inventor

HWANG HO CHUL

KR44 patents

⚠️ This page may combine multiple inventors who share the name “HWANG HO CHUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HWANG HO CHUL

SAMSUNG ELECTRONICS CO LTD

Electronic device and method for performing operations according to proximity of external object

Electronic device

Active noise cancellation in audio output device

Method and electronic device for detecting fingerprint

Electronic device including a microphone array

Electronic device

Electronic device including a microphone array

Electronic device

Electronic device including a microphone array

Electronic device including camera and acoustic component with limited interference therebetween

Electronic device including a microphone array

Speaker device for improving sound quality in high frequency band

Electronic device including a microphone array

Audio accessory and audio output method

Electronic device including flexible display

Method and device for voice recognition and electronic device thereof

Sound component with sealing member and electronic device with the same

Wearable acoustic device with microphone

Method and apparatus for outputting audio in electronic device

Electronic device with side acoustic emission type speaker device

Wearable device with sound sealing structure

Electronic device for acquiring fingerprint information by using ultrasonic signal

Electronic device

Electronic device and method for classifying voice and noise

Electronic device and method for playing back image data

Method for inserting watermark to image and electronic device thereof

Electronic device and audio output method for electronic device

Electronic device for providing content and control method therefor

Printed circuit board device

Apparatus and method for preventing malfunction in an electronic device

Electronic device with micro speaker

Apparatus and method for preventing malfunction in an electronic device

Method for cancelling noise of audio signal and electronic device thereof

Electronic device that executes assigned operation in response to touch pressure, and method therefor

Data processing method and electronic device thereof

Electronic device and input/output method thereof

Multi-pole earphone plug and adjustable multi-pole audio connector including the same

Electronic device and method of controlling electronic device

Adaptive processing of sound data

SIGNET EV INC

Electric vehicle charger

Electric vehicle charger

Electric vehicle charger

HWANG HO CHUL

Charger capable of performing integrated control and separate control of parallel operations

SK SIGNET INC

Electric vehicle charging method for preventing inrush current and device for the same