To provide for ominidirectional reception/transmission of slot antennas installed on a vehicle, a plurality of slot antenna units (12, 13, 13a, 14) are installed on the vehicle, facing, for example, forwardly, rearwardly and laterally of the vehicle. Each of the slot antenna units is connected to a
To provide for ominidirectional reception/transmission of slot antennas installed on a vehicle, a plurality of slot antenna units (12, 13, 13a, 14) are installed on the vehicle, facing, for example, forwardly, rearwardly and laterally of the vehicle. Each of the slot antenna units is connected to a common feed point (28) which is coupled to a radio equipment, which may be a transmitter or receiver, by a connecting cable which has a length of n.ll
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In combination with an automotive vehicle (10) having a vehicle body (11), a vehicular antenna system comprising a central feed point (28) for radiating or receiving signals, said antenna system further comprising three slot antenna units (12, 13, 13a, 14), one (13, 13a) being located at a forward p
In combination with an automotive vehicle (10) having a vehicle body (11), a vehicular antenna system comprising a central feed point (28) for radiating or receiving signals, said antenna system further comprising three slot antenna units (12, 13, 13a, 14), one (13, 13a) being located at a forward portion of the vehicle, a second one (14) at a rearward portion of the vehicle, and the third one (12) at an intermediate portion of the vehicle; antenna connection cable means (25, 26, 26a, 27) coupling the respective slot antenna units to the central feed point (28) for together connecting said signals radiated or received from the at least two slot antenna units to said feed point; and wherein each of said antenna connection cable means has a length of nㆍl2, wherein l
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이 특허를 인용한 특허 (24)
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