RADIO TRANSMISSION DEVICE

PROBLEM TO BE SOLVED: To provide a radio transmission device for signals or power having high efficiency and a frequency bandwidth.SOLUTION: The radio transmission device includes a microstrip line. The microstrip line is spirally wound for more than two turns. When an effective wavelength of a freq...

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Bibliographische Detailangaben
Hauptverfasser: HARADA NOBUHIRO, FUJIYAMA YOSHITADA
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a radio transmission device for signals or power having high efficiency and a frequency bandwidth.SOLUTION: The radio transmission device includes a microstrip line. The microstrip line is spirally wound for more than two turns. When an effective wavelength of a frequency to be used is defined as λe, a length of the line is about 3/4 λe. A first element configured by including a terminal for inputting or outputting a signal in a center-side end of the microstrip line and a second element having the same configuration as the first element are disposed while making the microstrip lines opposite to each other, and the signal or power is transmitted from the terminal of one element to the terminal of the other element with a predetermined pass bandwidth.SELECTED DRAWING: Figure 1 【課題】高効率で周波数帯域幅を持った信号又は電力の無線伝送装置を提供する。【解決手段】マイクロストリップラインを含み、該マイクロストリップラインは、2周よりも多くスパイラル状に巻かれ、使用される周波数の実効波長をλeとすると、長さが約3/4・λeのラインであって、前記マイクロストリップラインの中心側の端部に信号を入力又は出力するための端子がある構成の第1の素子及び該第1の素子と同一の構成の第2の素子が、前記マイクロストリップライン同士を対向させて配設され、信号または電力を、一方の素子の前記端子から、もう一方の素子の前記端子へ所定の通過帯域幅をもって伝送する。【選択図】図1