| 发明名称 |
Reflection multiplier radio wave marker system and traffic system |
| 摘要 |
<p>A reflection multiplier radio wave marker, the transmit antenna of which is comprised of a coil either one of two types, wound clockwise or anti-clockwise, so that the transmit electric wave can be reversed in phase by approximately 180 DEG . A marker system and a traffic system using the marker are also disclosed in the present invention. <IMAGE></p> |
| 申请公布号 |
EP1258850(A2) |
申请公布日期 |
2002.11.20 |
| 申请号 |
EP20020010179 |
申请日期 |
2002.05.14 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TANJI, YOSHIHIKO;HANDA, SATORU;NAKATSUKA, AKIRA |
| 分类号 |
G08G1/00;G01S1/68;G01S13/75;G08G1/042;G08G1/0967;H04B5/02;(IPC1-7):G08G1/042;G06K19/07;H01Q7/00;H01Q7/08;H01Q21/24;G01S13/02;G08G1/096 |
主分类号 |
G08G1/00 |
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