Electronics and Telecommunications Research Institute

Korea Atomic Energy Research Institute

Seong-Hee Park

Tae-Gyu Kang

In-Su Kim

Dae-Ho Kim

You-Jin Kim

Sang-Kyu Lim

Il-Soon Jang

Hyun-Jong Kim

Jin-Doo Jeong

Jung-Sik Sung

Hyun-Seok Kim

Hyun-Chul Kang

Hyun-Joo Kang

Myung-Soon Kim

Jong-Woo Choi

Ji-Hun Jeon

Cheol-Jin Lee

Byung-Cheol Lee

Young-Kyung Lim

Young-Hwan Han

Young-Uk Jung

Tae-Jae Lee

Disclosed are an apparatus and method for testing a luminaire based on USB. The apparatus for testing a luminaire based on USB includes a power measurement unit for measuring power consumption by measuring power input from a host system to a luminaire based on USB; a message interpretation unit for generating a result of interpretation of a message based on a USB-based control message sent and received between the host system and the luminaire; an illuminance reception unit for receiving a result of measurement of illuminance of the luminaire, measured by a light reception device; and an information generation unit for generating test result information based on a result of the measurement of the power consumption, the result of the interpretation of the message, and the result of the measurement of the illuminance.

Apparatus for testing luminaire based on USB and method using the same

Disclosed herein are a lighting control switch using magnetic sensing and touch sensing and a method using the lighting control switch. The lighting control switch includes a magnetic sensing module for generating a magnetic sensing signal by sensing a magnetic signal that is generated in order to control a lighting device, a touch-sensing module for generating a touch-sensing signal by sensing a touch signal that is generated in order to control the lighting device, and a control unit for receiving the magnetic signal and the touch signal based on logic control in response to generation of at least one of the magnetic sensing signal and the touch-sensing signal and controlling the lighting device by generating a control signal in consideration of the magnetic signal and the touch signal.

Switch for controlling lighting using magnetic sensing and touch sensing and method using the same

An apparatus and method for providing indoor location information are disclosed herein. The apparatus includes a signal reception unit, a global positioning system (GPS) data reception unit, a frame generation unit, a scheduling unit, and a signal transmission unit. The signal reception unit receives a lighting control frame from a lighting control device. The GPS data reception unit receives location data from GPS satellites. The frame generation unit generates a location data frame by extracting the location of an illumination light stored in a lighting arrangement storage unit, modifying the location data and adding a header to the modified location data. The scheduling unit schedules the lighting control frame or the location data frame. The signal transmission unit transfers the lighting control frame or the location data frame to the corresponding illumination light based on the results of the scheduling of the scheduling unit.

Apparatus and method for providing indoor location information using lighting control network

A method and apparatus for controlling Zigbee wireless lighting are disclosed. The apparatus for controlling Zigbee wireless lighting includes an address management unit, a packet conversion unit, and a client unit. The address management unit detects a Zigbee wireless address, corresponding to a light ID included in a command received from a user terminal, in an address management table. The packet conversion unit converts the command into a Zigbee light link (ZLL)-based packet. The client unit transfers the ZLL-based packet to Zigbee wireless illumination light corresponding to the Zigbee wireless address in order to control the Zigbee wireless illumination light.

Apparatus and method for controlling zigbee wireless lighting

A lighting control device and method are disclosed herein. The lighting control device includes a control unit and a control request unit. The control unit sets up a virtual multiple lighting control unit corresponding to a lighting control command received from a lighting management device. The control request unit selects a wireless light fixture corresponding to a light fixture ID included in the lighting control command, and makes a lighting control request to the selected wireless light fixture. The control unit transfers a response to the lighting control request to the lighting management device, and thus allows a corresponding lighting switch to control the wireless light fixture.

Lighting control device and method

Disclosed herein are an apparatus and method for controlling a lighting network. The apparatus for controlling lighting network includes a control device and a plurality of control gears. The control device generates and transfers commands to control lighting. The plurality of control gears receives the commands from the control device and control lighting. The control device assigns a right to use a lighting network to the control gears, and the control gears send information about a change in a lighting state or error details to the control device using the right to use a lighting network.

Lighting network control apparatus and method

The present invention relates to an inter-vehicle communication apparatus and method using visible light communication. The inter-vehicle communication apparatus using visible light communication includes a spreading code application unit for applying a spreading code to transmission data desired to be transmitted, and a transmission unit for generating a transmission frame based on the transmission data to which the spreading code is applied, and transmitting the transmission frame via a lighting lamp of a vehicle. The transmission frame includes a preamble field required to synchronize the transmission frame, a data field required to transmit the transmission data, and a position field required to provide hopping information of the transmission data.

Inter-vehicle communication apparatus and method using visible light communication

The present invention relates to an intelligent lighting control apparatus and method, which control an intelligent lighting unit including multiple sensors depending on time, place, scene, environment, or the like, based on the results of sensing by the sensors. The intelligent lighting control apparatus includes a multi-sensor unit including multiple sensors, the multi-sensor unit sensing motion of a person or an object within a set sensing area using at least one of the multiple sensors. A lighting control unit controls an operation of a lighting unit based on frequency data corresponding to results of sensing by the multi-sensor unit and a class of lighting type corresponding to the frequency data.

Intelligent lighting control apparatus and method

Disclosed herein is an apparatus and method for controlling a fault in a lighting network. The apparatus includes power selection units respectively provided in a plurality of lighting units connected to one another over a network, each power selection unit being configured to compare a reference voltage with an output voltage sensed from power supply signals input from power supply units respectively provided in a lighting unit, located ahead of a faulty lighting unit, and the faulty lighting unit if a fault occurs in the lighting unit, and to select supply power to be supplied to the faulty lighting unit. Lighting control units control driving of the faulty lighting unit using the selected supply power.

Apparatus and method for controlling fault in lighting network

Disclosed herein are an LED lighting control apparatus and an LED lighting control system using the apparatus. The proposed system includes a wired lighting unit connected to LED lighting in a wired manner and configured to perform lighting control on LED lighting. A wireless lighting unit performs lighting control on the LED lighting via wireless communication with a wireless terminal and operates in conjunction with the wired lighting unit. A location communication unit allocates individual IDs of LED lighting and performs transmission/reception of data to/from an external terminal. A multi-sensor unit supports multiple sensors and analyzes sensor data collected from the multiple sensors. An active heat dissipation unit dissipates heat from the LED lighting based on analyzed sensor data. A processor control unit controls operations of the wired lighting unit, the wireless lighting unit, the location communication unit, the multi-sensor unit, and the active heat dissipation unit.

LED lighting control apparatus and LED lighting control system using the same

Disclosed herein is an LED lighting control apparatus and method based on visible light communication. The LED lighting control apparatus includes lighting information collection means for collecting status information about lighting means and environmental information about surroundings of the lighting means, and transmitting the collected information to lighting control means. The lighting information collection means includes a visible light reception processing unit for receiving the status information about the lighting means contained in a visible light signal emitted from the lighting means, a lighting information analysis unit including a plurality of environmental information sensors for detecting the environmental information about the surroundings of the lighting means, the lighting information analysis unit analyzing the environmental information detected by the environmental information sensors, and a lighting information control unit for collecting the status information and the analyzed environmental information and transmitting the collected information to the lighting control means.

LED lighting control apparatus and method based on visible light communication

Disclosed herein are a visible light communication method and apparatus. The visible light communication method includes determining whether a current location is the start of a symbol of a transmission signal, setting a sample index, a signal accumulated value for an accumulation region of a front half portion of the symbol, and a signal accumulated value for an accumulation region of a rear half portion of the symbol, determining whether the sample index belongs to an accumulation region of the front or rear half portion of the symbol, and accumulating samples of the transmission signal in accordance with the location to which the sample index belongs, determining whether a current location corresponds to the end of the symbol, and outputting a Variable Pulse Position Modulation (VPPM) communication signal corresponding to the transmission signal.

Visible light communication method and apparatus

Disclosed herein are a Visual Light Communication (VLC) method and apparatus using a DMX-512 network. The VLC apparatus includes a DMX signal generation unit and a DMX signal transmission unit. The DMX signal generation unit generates VLC data packets each including a DMX header, fragmentation information, and a data fragment. The DMX signal transmission unit transmits the VLC data packets to an LED lighting apparatus coupled over a DMX-512 network in order to perform VLC.

Visible light communication method using DMX-512 network and apparatuses for the same

An electron beam irradiator capable of performing electron beam irradiation in a wide area at a high current density with a field emitter tip. The electron beam irradiator comprises: a vacuum chamber having a beam irradiation window formed longitudinally in an outer periphery of the vacuum chamber; a cathode placed centrally and longitudinally inside the vacuum chamber, and having a field emitter tip formed on the cathode, corresponding to the beam irradiation window; and a high voltage supply placed at one end of the vacuum chamber, and adapted to apply high voltage toward the cathode. The electron beam irradiation can be made in a wide area without using an electromagnet as well as in a high current density without using a heater such as a filament or an additional power supply, thereby to ensure a simplified structure as well as a reduced size.

Growing community of inventors

Daejeon, South Korea

Seong-Hee Park