发明名称 |
PERSONAL POSITIONING SATELLITE NAVIGATOR WITH PRINTED QUADRIFILAR HELICAL ANTENNA |
摘要 |
A navigation unit (10) for receiving navigation signals from a source thereof such as global positioning satellites is configured to rack mount and connect with a remote fixed antenna and for detached, self-powered operation using a directly mounted helical antenna (14). The preferred antenna (14) includes antenna elements composed of a thin film of conductive material (50) printed on a flexible dielectric substrate (44) rolled into a tubular configuration.
|
申请公布号 |
US5198831(A) |
申请公布日期 |
1993.03.30 |
申请号 |
US19900588358 |
申请日期 |
1990.09.26 |
申请人 |
501 PRONAV INTERNATIONAL, INC. |
发明人 |
BURRELL, GARY L.;KAO, MIN H.;SHUMAKER, PAUL K. |
分类号 |
H01Q1/24;H01Q1/36;H01Q11/08 |
主分类号 |
H01Q1/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|