H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
351/19
H01Q 21/12 (2006.01) H01Q 3/26 (2006.01) H01Q 21/22 (2006.01)
Patent
CA 1063235
ENDFIRE-TYPE PHASED ARRAY ANTENNA Abstract of the Disclosure An endfire-type phased array antenna comprises n antenna elements (n?3). The phase difference of current flowing through the antenna elements is controlled to one which is pre- determined by adjusting each length of the feeders and by coupling the phase inverting circuits to alternate antenna ele- ments. The current amplitude ratio thereof is also controlled to a pre-determined value by using a mixing or distributing circuit. Thus an antenna having a high directivity in front and no radiation in other directions is provided which can be effectively used for preventing multi-path interference in TV or FM.
263974
Ikenishi Michio
Kawai Yumio
Ohyama Hiroshi
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