Inventor

JUNG DAE-KWANG

KR71 patents

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

JUNG DAE-KWANG

SAMSUNG ELECTRONICS CO LTD

Apparatus and method of controlling emitting color of visible light according to a current communication state in a VLC device

Wavelength division multiplexed passive optical network system

Low noise multi-wavelength light source and wavelength division multiplexing system using same

Optical transceiver and passive optical network using the same

Apparatus and method for improving input position and pressure detection in a pressure detection touch screen

Reconnection method in peripheral interface using visible light communication

Wavelength division multiplexed self-healing passive optical network using wavelength injection method

Self-healing wavelength division multiplexing-passive optical network system

Apparatus and method for tracking optical wavelength in WDM passive optical network using loop-back light source

Self-seeded Fabry-Perot laser device for wavelength division multiplexing system

Fabry-Perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same

Biometric information acquisition method and device for same

Fingerprint verification method and electronic device for performing the same

Apparatus for reducing noise input to fingerprint sensor

Wavelength division multiplexing light source apparatus using semiconductor optical amplifier

Bidirectional optical add/drop multiplexer and wavelength division multiplexed ring network using the same

Actuator using electro-active polymer and electronic device therewith

Wearable device and method of operating the same

Electronic device and method for determining touch coordinate thereof

Wearable device and method of operating the same

Fingerprint verification method and electronic device for performing the same

User authentication method and electronic device supporting the same

Method and device for radiating light used to capture iris

Wearable device and method of operating the same

Touch panel sealing apparatus

Display for recognizing fingerprint and electronic device

Passive optical network system providing simultaneously both broadcasting service and data service

Wavelength division multiplexing optical transmitter using Fabry-Perot laser

Wavelength-division-multiplexed optical source and passive optical network system employing the same

Light source apparatus for WDM optical communication and optical communication system

Method for maintaining mode-locked state of fabry-perot laser irrespective of temperature change and WDM light source using the same method

Electronic device including biometric sensor

Electronic device and method for determining touch coordinate thereof

Optical gas sensor

Method and device for irradiating light for photographing iris

Method and apparatus for generating visible signal for data transmission frame in visible-light communication system

Method for providing visible light communication in a visible light communication system

Optical transmitter and passive optical network using the same

Fingerprint verification method and electronic device for performing the same

LEE KYUNG-WOO

Method and apparatus for providing additional information through display

Method and apparatus for data communication based on digital image processing

Method for measuring position of portable terminal and indoor illuminating apparatus for the same

PARK SUNG-BUM

Indoor navigation method and system using illumination lamps

Apparatus for transmitting and receiving visible light communication data

SHIN DONG-JAE

Wireless communication interface for portable wireless terminal

Apparatus and method for arranging communication links in visible light communication

SHIN HONG-SEOK

Visible light communication method and system

Apparatus and method for providing synchronized data by using visible light communication

KOREA ADVANCED INST SCI & TECH

Multiplexing/demultiplexing apparatus for wavelength division multiplexed system and wavelength division multiplexed passive optical subscriber networks using the same apparatus

TERALINK COMMUNICATIONS INC

Method and apparatus for monitoring optical signal-to-noise ratio (OSNR) using polarization-nulling method