Circular-polarization antenna

Details Circular-polarization antenna Circular-polarization antenna

1998-04-15

2000-03-21

Wong, Don

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

343702, 343700MS, H01Q 124

Patent

active

060408065

ABSTRACT:
The invention provides a low-profile circular-polarization antenna that can be implemented at a reduced mounting cost of components. Two linear-polarization surface-mount antennas are mounted on a mounting substrate such that their planes of polarization are perpendicular to each other in the direction normal to the mounting surface, and an amplification circuit, a shield case for covering the circuit, and a phase circuit for sending signals having the same amplitude and a phase difference of 90 degrees to the two surface-mount antennas are provided on the same mounting surface.

REFERENCES:
patent: 5377081 (1994-12-01), Bizen et al.

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