A common key is obtained from a management device 101 by operating a bidirectional infrared remote control 105 at a location 105a via an infrared communication, the management device 101 being connected to a wireless network. The common key is transmitted to an air-conditioner 104 from bidirectional infrared remote control 105, after carrying the bidirectional infrared remote control 105 to a location 105b where it is possible that the bidirectional infrared remote control 105 and air-conditioner 104 communicate via the infrared communication.
申请公布号
WO2004109982(A3)
申请公布日期
2005.03.03
申请号
WO2004JP08056
申请日期
2004.06.03
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.;MORIOKA, MASAAKI;NASU, HIDETADA;SUGIMOTO, KUNIAKI