Multi-band vehicular blade antenna

Details Multi-band vehicular blade antenna Multi-band vehicular blade antenna

2005-03-29

2005-03-29

Wimer, Michael C. (Department: 2828)

Communications: radio wave antennas

Antennas

With aircraft

C343S708000

Reexamination Certificate

active

06873296

ABSTRACT:
A multi-band blade antenna for use on a vehicle is formed by patterning the metal on both sides of a printed circuit board. One side is patterned into low-frequency patch and ground elements, and the other side is patterned into high-frequency patch and ground elements. The length of the patterned patch element on the low-frequency side of the board approximates the length of the board, while the effective length of the high-frequency patch element is approximately twice as long. Tuning for the frequency bands of mobile telephones in different regions (for instance, the European Union, United States and Japan) is by means of differences in slot length in the patch member on the low-frequency side, and differences in separation between the patch and ground members on the high-frequency side. RLC components are affixed to the low-frequency side after patterning. The printed circuit board has a shape which, in a complementary housing, may add ornamentation to the exterior of a vehicle on which it is mounted.

REFERENCES:
patent: 4072952 (1978-02-01), Demko
patent: 4509053 (1985-04-01), Robin et al.
patent: 5111211 (1992-05-01), Dahlberg
patent: 6028567 (2000-02-01), Lahti
patent: 6040803 (2000-03-01), Spall
patent: 6181282 (2001-01-01), Gans et al.
patent: 6204826 (2001-03-01), Rutkowski et al.
Search Report dated Mar. 28, 2003, for UK Application GB 0214150.5

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