Antenna apparatus for transmitting and receiving radio waves...

Details Antenna apparatus for transmitting and receiving radio waves... Antenna apparatus for transmitting and receiving radio waves...

2005-01-04

2005-01-04

Tran, Thuy Vinh (Department: 2821)

Communications: radio wave antennas

Antennas

Planar array of linear antennas

C343S757000, C343S879000

Reexamination Certificate

active

06839039

ABSTRACT:
A high-performance and compact antenna apparatus is provided which is capable of obtaining a high antenna gain, less susceptible to wind and the like, and advantageously useful as mounted on vehicles or the like. The antenna apparatus includes: a transmitting antenna section2having at least one planar antenna element for transmitting a radio wave to a satellite; a receiving antenna section3having at least one planar antenna element for receiving a radio wave from the satellite, the transmitting antenna section2and the receiving antenna section3being positioned to orient to a predetermined satellite and arranged stepwise with a predetermined spacing therebetween.

REFERENCES:
patent: 4679051 (1987-07-01), Yabu et al.
patent: 4801943 (1989-01-01), Yabu et al.
patent: 5243353 (1993-09-01), Nakahara et al.
patent: 5929819 (1999-07-01), Grinberg
patent: 20010050634 (2001-12-01), Laidig et al.

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