| 发明名称 |
Display device |
| 摘要 |
This invention provides a display device that can be updated via a communications network. In an improved version the advertising material used to update the device depends upon a called number dialled on a telephone which is associated with the device.
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| 申请公布号 |
US7248689(B2) |
申请公布日期 |
2007.07.24 |
| 申请号 |
US20030466282 |
申请日期 |
2003.07.15 |
| 申请人 |
BRITISH TELECOMMUNICATIONS, PUBLIC LIMITED COMPANY |
发明人 |
WILSON RICHARD C |
| 分类号 |
H04M3/00;H04M11/00;H04M11/08;H04M15/00 |
主分类号 |
H04M3/00 |
| 代理机构 |
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