发明名称 |
Maintenance service system for home electric appliances |
摘要 |
A maintenance service system for home electric appliances is disclosed which comprises a home electric appliance, a portable terminal which can communicate with the home electric appliance and an information providing server which can communicate with the portable terminal.
|
申请公布号 |
US6870480(B2) |
申请公布日期 |
2005.03.22 |
申请号 |
US20020079503 |
申请日期 |
2002.02.22 |
申请人 |
HITACHI, LTD. |
发明人 |
SUZUKI HIDEAKI;FUKUI CHIHIRO;TANI MASAYUKI |
分类号 |
G06Q50/10;G05B15/02;G05B23/02;G06F13/00;G06Q10/00;G06Q50/00;H04M11/00;H04Q9/00;(IPC1-7):G08B21/00 |
主分类号 |
G06Q50/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|