Automobile loop antenna

Communications: radio wave antennas – Antennas – With vehicle

Patent

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Details

343742, 343744, H01Q 132, H01Q 700

Patent

active

054423686

ABSTRACT:
An automobile loop antenna including a conductive loop and a coaxial cable. One end of the loop is connected to a core conductor of the coaxial cable, and the other end of the loop is connected to an outer conductor of the coaxial cable with a low-capacitance capacitor in between. A part of the outer conductor of the coaxial cable is connected to a metal part of an automobile so that the end of the coaxial cable is spaced 5 to 50 cm from the metal part.

REFERENCES:
patent: 2578154 (1951-12-01), Shanklin
patent: 3641576 (1972-02-01), Farbanish
patent: 3906507 (1975-09-01), Allen
patent: 4080603 (1978-03-01), Moody
patent: 4801944 (1989-01-01), Madnick et al.
patent: 4823141 (1989-04-01), Ohe et al.

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