发明名称 |
USER TRACKING APPLICATION |
摘要 |
A user tracking system includes a first unit and a second unit. The first unit includes a first radio transceiver and a first printed circuit board that includes microprocessor circuitry and modem circuitry. The second unit includes a second radio transceiver and an enclosure enclosing a GPS antenna, a GPS receiver, and a second printed circuit board comprising microprocessor circuitry and modem circuitry. |
申请公布号 |
WO0231528(A3) |
申请公布日期 |
2003.09.04 |
申请号 |
WO2001US32074 |
申请日期 |
2001.10.12 |
申请人 |
CYTERRA CORPORATION;TSENG, ALLAN;MARCARELLI, LOUIS, G. |
发明人 |
TSENG, ALLAN;MARCARELLI, LOUIS, G. |
分类号 |
G01S1/00;G01S5/00;G08G1/123 |
主分类号 |
G01S1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|