| 发明名称 |
Infrared or laser light communications transmitter direction sensor has geomagnetic sensor and receiver for coded geomagnetic data from transmitter |
| 摘要 |
<p>A infrared or laser light communications transmitter (101) direction sensor has geomagnetic direction sensor (109) and receiver (103) with processor (113) to derive the relative direction (115) of the transmitter from suitable geomagnetic direction data coded in the transmission. Independent claims are included for communications systems and network units using the sensor.</p> |
| 申请公布号 |
DE102004003755(A1) |
申请公布日期 |
2005.08.18 |
| 申请号 |
DE20041003755 |
申请日期 |
2004.01.23 |
| 申请人 |
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
发明人 |
STEFFEN, RAINER;ZELLER, MARKUS |
| 分类号 |
H04B7/26;H04L12/28;H04L12/56;H04L29/02;H04W64/00;(IPC1-7):H04B7/26 |
主分类号 |
H04B7/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
