Adjustable antenna arrangement for a portable radio

Details Adjustable antenna arrangement for a portable radio Adjustable antenna arrangement for a portable radio

H - Electricity

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H01Q 1/24 (2006.01) H01Q 1/10 (2006.01) H01Q 1/36 (2006.01) H01Q 9/00 (2006.01)

Patent

CA 1085049

ADJUSTABLE ANTENNA ARRANGEMENT FOR A PORTABLE RADIO ABSTRACT An extendable half-wave dipole is capacitively coupled to a driven resonant helical antenna for use as on a hand- held, two-way portable radio, the helix being end fed. The dipole may be mounted adjacent to or collinear with the axis of the helix. The collinear mounting requires non-conductive portions on each end of the dipole. Optimum dimensional and performance characteristics are available without switching.

305940

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