Abstract:
VPPM 신호에 기초한 조명의 밝기 조절에도 수신 성능이 우수한 가시광 무선통신 기술이 개시된다. 이를 위해, 본 발명의 일 실시예에 따른 가시광 무선통신 장치는 프리엠블 신호를 생성하는 프리엠블 생성기, 송신 패킷의 목표 디밍 레벨이 포함된 디밍 정보 및 송신 패킷의 물리 계층(Physical-layer) 정보를 포함하는 PHY 헤더를 생성하는 헤더 생성기, PHY 헤더를 소정 비율의 제1 VPPM 신호로 변조하는 고정 디밍 VPPM 변조기, 송신할 데이터에 대하여 가시광 송신을 위한 신호 처리를 수행하여 송신 데이터를 생성하는 송신부 신호 처리기; 송신 데이터를 송신 패킷의 목표 디밍 레벨의 제2 VPPM 신호로 변조하는 가변 디밍 VPPM 변조기, 및 프리엠블 신호, 제1 VPPM 신호 및 제2 VPPM 신호를 합성하여 송신 패킷을 형성하는 신호 합성기를 포함하는 것을 특징으로 한다.
Abstract:
본 발명은 복수개의 센서를 포함하는 지능형 조명을 센서의 감지 결과를 토대로 시간, 장소, 상황, 환경 등에 따라 제어하는 지능형 조명 제어 장치 및 그 방법에 관한 것이다. 지능형 조명 제어 장치는 복수개의 센서를 포함하고, 복수개의 센서 중 적어도 하나의 센서를 이용하여 설정된 센싱영역 내 사람 또는 사물의 움직임을 센싱하는 멀티 센서부 및 멀티 센서부의 센싱 결과에 대응하는 빈도 데이터와 빈도 데이터에 해당하는 조명형태 등급을 기준으로 조명의 동작을 제어하는 조명 제어부를 포함한다.
Abstract:
Disclosed is an apparatus for lighting control scheduling based on climate and weather information, which enables active lighting control, in which a local situation is reflected, by receiving various information related to climate and weather from a climate and weather information service provider (ISP) connected through the Internet in real time. The disclosed apparatus includes: a climate and weather information extracting unit which collects climate and weather information from a climate and weather ISP through a network, and which manages the collected climate and weather information; a lighting illumination control unit which generates information for controlling the illumination of lighting, based on information related to a weather condition and visibility among the climate and weather information obtained by the climate and weather information extracting unit; a lighting color/color temperature control unit which generates information for controlling the color and color temperature of the lighting, based on information related to temperature, humidity, and atmospheric pressure among the climate and weather information obtained by the climate and weather information extracting unit; a lighting on/off time adjusting unit which generates information for adjusting the on/off time of the lighting, based on the sunrise and sunset times of the sun among the climate and weather information obtained by the climate and weather information extracting unit; and a lighting control scheduler which controls the lighting according to a modified lighting control schedule by reflecting, in the predetermined lighting control schedule, information from the lighting illumination control unit, the lighting color/color temperature control unit, and the lighting on/off time adjusting unit.
Abstract:
In a illumination light communication system, a first illumination device receives data request information including an illumination light location ID of a second illumination device and a terminal ID of a terminal from the terminal having a visible light communication function, and acquires video session information on a video transmitted from the second illumination device by the terminal. Then, the first illumination device finds the video corresponding to the video ID, generates a related video frame on the basis of the video location included in the video session information, and transmits the video frame to the terminal using visible light communication, thereby supporting continuous transmission of video.
Abstract:
Provided is an apparatus for driving a LED lighting. The driving apparatus includes: a power supply unit for converting external AC power into voltage required to drive the LED lighting; a rechargeable battery charged from the power supply unit; and an MCS for receiving LED lighting control information to control the LED lighting and for receiving power from the power supply unit or the researchable battery. A first switch is connected between the AC power and the power supply unit, a second switch is connected between the researchable battery and the MCU, and a third switch is connected between the power supply unit and the MCU. Here, the MCU turns off the first and third switches and turns on the second switch if the LED lighting is turned off to receive power from the rechargeable battery.