Frequency-selective antenna with different signal polarizations

Details Frequency-selective antenna with different signal polarizations Frequency-selective antenna with different signal polarizations

1995-06-07

1997-03-04

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Microstrip

343725, 343767, 343702, H01Q 138, H01Q 2130

Patent

active

056084137

ABSTRACT:
A slot radiator and a patch radiator are formed in a single antenna which is connected to a handheld, wireless telephone. The antenna can be pivoted to operational positions and excited to radiate linearly-polarized signals or circularly-polarized signals whose radiation patterns are respectively directed azimuthally and elevationally.

REFERENCES:
patent: 4766440 (1988-08-01), Gegan
patent: 4771291 (1988-09-01), Lo et al.
patent: 4775866 (1988-10-01), Shibata et al.

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