Air conditioner and power line communication system

An air conditioner and a power line communication system high in reliability and free of malfunction facilitates the installation work such as the wiring. The air conditioner for conducting communication through a power line includes a bridge unit connected to at least an outdoor unit through a tran...

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Bibliographic Details
Main Authors ITO MAKOTO, KOJIMA YASUYUKI, YAMAUCHI TATSUMI, BUNKO NORIYUKI, TOKUSHIGE KOICHI
Format Patent
LanguageEnglish
Published 26.02.2008
Subjects
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
RANGES
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
SELECTING
TRANSMISSION
VENTILATING
WEAPONS
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Summary:An air conditioner and a power line communication system high in reliability and free of malfunction facilitates the installation work such as the wiring. The air conditioner for conducting communication through a power line includes a bridge unit connected to at least an outdoor unit through a transmission line, and at least an indoor unit connected from the power line through a blocking filter. A side of the bridge unit far from the outdoor unit is connected between the blocking filter and the indoor unit. The bridge unit subjects a signal from the outdoor unit to spread spectrum modulation and transmits it by superposing the resulting signal on the power line. The superposed signal is received and demodulated by the indoor unit.
Bibliography:Application Number: US20050033633