Method for installing antenna, antenna installation...

Details Method for installing antenna, antenna installation... Method for installing antenna, antenna installation...

2006-07-11

2006-07-11

Vo, Tuyet (Department: 2821)

Communications: radio wave antennas

Antennas

With vehicle

C343S767000

Reexamination Certificate

active

07075489

ABSTRACT:
A vehicular antenna is mounted on a circuit board in a monitor. The circuit board has a conductor substrate that is used as a ground for the antenna, and it has a frame shape that has a rectangular inner edge. The circuit board has an electrical contact for connecting the antenna. The electrical contact is placed at λ/4 away from an axisymmetrical line (center line) with respect to the inner edge. As a result, a gain of the vehicular antenna is not reduced in a front direction even when the vehicular antenna uses the frame shape conductor as the ground.

REFERENCES:
patent: 5355144 (1994-10-01), Walton et al.
patent: 6249242 (2001-06-01), Sekine et al.
patent: 2004/0046701 (2004-03-01), Huber et al.

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