发明名称 |
CARRIER TRANSMITTER AND RECEIVER |
摘要 |
PROBLEM TO BE SOLVED: To suppress mixing of a signal with simple circuit constitution. SOLUTION: The radio transmitter and receiver having a transmitting circuit 1 which converts the frequency of a signal having its band spread with a dummy noise signal with the output of a high-frequency oscillator 14 and transmits it and a receiving circuit 2 which inputs a receive signal based upon the transmit signal, converts the frequency of the received signal with the output of the high-frequency oscillator 14, and detects the correlation with the dummy noise signal uses two higher-harmonic mixers 23 and 24 which converts the frequencies of input signals with higher harmonics of the output of the high-frequency oscillator and suppress the detour of the frequency-converted transmit signal to the reception side as the transmitting circuit 1 and receiving circuit 2, thereby suppressing the mixing signal by setting the frequency of the mixing signal to a multiple of the output frequency of the high-frequency oscillator 4. |
申请公布号 |
JPH1056399(A) |
申请公布日期 |
1998.02.24 |
申请号 |
JP19960211600 |
申请日期 |
1996.08.09 |
申请人 |
FURUKAWA ELECTRIC CO LTD:THE |
发明人 |
FUKUCHI TOSHISHIGE;HARA TOSHITAKA;INOUE KEI;ISHIZU HARUHIKO |
分类号 |
G01S5/14;G01S7/28;G01S13/79;H04B1/40;H04B1/69;H04B1/707 |
主分类号 |
G01S5/14 |
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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