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專利名稱 聯苯膦酸酯化合物之製備方法method for preparing a biphenylphosphonate compond
創作型式 發明
專利證號 US7232921B2
國別 美國
獲證日期 2007/06/19
專利摘要 The invention discloses a leaky-wave dual-antenna system comprising a transmitting antenna array and a receiving antenna array. The transmitting antenna array comprises plural first microstrips and plural corresponding first differential circuits, and each of the first differential circuit matches the corresponding first microstrip by a L-type matching network; the receiving antenna array comprises plural second microstrips and plural corresponding second differential circuits, and each of the second differential circuit matches the corresponding second microstrip by a L-type matching network. A first end and a second end of each of the first differential circuits are respectively connected to the corresponding first microstrip; a third end and a fourth end of each of the second differential circuits are respectively connected to the corresponding second microstrip.

IPC國際分類號

H01Q000150
聯絡人 王淳右
電話 #329566
EMAIL f437frank@ncsist.org.tw