发明名称 |
Circularly polarizing radar transponder and lifesaving apparatus |
摘要 |
Described herein is a circularly polarizing radar transponder. The circularly polarizing radar transponder comprises a helical type circularly polarizing antenna unit for receiving all of a circularly polarized wave, a vertically polarized wave and a horizontally polarized wave therein, a receiver unit connected to the helical type circularly polarizing antenna unit, a transmitter unit for generating a plurality of pulses with a radio wave received by the receiver unit as a trigger, and a battery unit for supplying power to these receiver and transmitter units.
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申请公布号 |
US6384767(B1) |
申请公布日期 |
2002.05.07 |
申请号 |
US19990452374 |
申请日期 |
1999.12.01 |
申请人 |
MITSUBISHI DENKI KABUSHIKI KAISHA |
发明人 |
TAKASE KAZUYOSHI;NISHIMURA KENJI |
分类号 |
H01Q21/24;G01S7/02;G01S13/75;G01S13/76;G01S13/79;H01Q1/22;H01Q1/24;H01Q1/36;H01Q1/42;H01Q9/27;H01Q11/08;H01Q13/04;H01Q15/24;H04B1/034;H04B1/59;(IPC1-7):G01S13/76 |
主分类号 |
H01Q21/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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