Automobile antenna system

Details Automobile antenna system Automobile antenna system

1985-11-04

1988-01-05

Nussbaum, Marvin L.

Communications: radio wave antennas

Antennas

With vehicle

343713, 343714, 343741, 343744, 343841, 343866, H01Q 127, H01Q 704, H01Q 132, H01Q 148

Patent

active

047179228

ABSTRACT:
The present invention provides an autombile antenna system for detecting surface currents induced on the vehicle body by radio waves. The antenna system includes an electrostatic shielding case mounted on the vehicle body and having an opening formed therein. The opening in the case faces a metallic plate in the vehicle body and a loop antenna is housed within the case and disposed in close proximity to the opening thereof. The loop antenna has a plane of the loop positioned relative to the surface of the metallic vehicle plate at an angle in the range of 90 degrees to 135 degrees or 225 degrees to 270 degrees, whereby the antenna system can more efficiently detect the surface currents induced on the vehicle body by radio waves and can be miniaturized and improved in performance without any externally protruding member.

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