Shark fin type antenna
A technology of shark fins and antennas is applied in the fields of satellite navigation, radio broadcasting, radio communication, and in-vehicle TV as receiving devices, which can solve the problems of affecting the receiving effect, poor overall appearance of the ship, affecting the appearance of the vehicle, etc., and achieves simple structure and receiving effect. Good, easy-to-use effects
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Embodiment Construction
[0013] Referring to accompanying drawings 1-3, the shark-fin antenna structure has an antenna housing 1, and the antenna housing 1 is configured as a shark-fin streamlined housing. A radio receiving antenna is arranged on the inside upper part of the antenna housing 1, and the radio receiving antenna can adopt a helical spring antenna, a metal antenna or the like. One end of the radio receiving antenna is provided with an antenna signal output end, and the antenna signal output end is connected with the signal input end of the antenna amplifier through the antenna connection element, or directly connected with the coaxial cable.
[0014] Antenna shell bottom is equipped with installation base plate 2, and installation base plate 2 is provided with antenna fixing screw rod 3, fixing nut 4, or other fixing parts, can be fixed on car, boat top and car, relevant position of boat outside with shark fin antenna.
[0015] Radio broadcasting (FM / AM) antenna amplifier 8, satellite navi...
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