| 摘要 |
PURPOSE: An antenna with a separated receiving and transmitting function is provided to improve the transmitting/receiving sensitivity by installing a transmitting antenna and a receiving antenna. CONSTITUTION: An isolating layer(30) isolates a transmitting signal and a receiving signal. A transmitting antenna(10) is contacted to a side of the isolating layer(30) to be mounted thereon. A receiving antenna(20) is contacted to the other side of the isolating layer(30) to be mounted thereon. The transmitting antenna(10) or the receiving antenna(20) is a microstrip patch antenna. The receiving antenna(20) has an omni-radiation characteristics. A band-pass filter is installed on the transmitting antenna(10) and the receiving antenna(20). Positions of a radiating patch and a feeding wire of the transmitting antenna(10) and the receiving antenna(20) are reversed.
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