发明名称 |
Locatable information sound device and method |
摘要 |
A device is described to provide a localisable information signal. The device is adapted to emit sequentially a locating sound signal comprising broad band sound and an information sound signal comprising at least verbal information. A signal generated by such a device, a system incorporating a plurality of such devices, and a method of enabling an individual to orientate in an environment using such a system or signal are also described.
|
申请公布号 |
US7764165(B2) |
申请公布日期 |
2010.07.27 |
申请号 |
US20050197748 |
申请日期 |
2005.08.05 |
申请人 |
QED INTELLECTUAL PROPERTY LIMITED |
发明人 |
WITHINGTON DEBORAH JANE;KEANE JAMES BRENDAN |
分类号 |
G08B3/10 |
主分类号 |
G08B3/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|