Double-action antenna

Details Double-action antenna Double-action antenna

H - Electricity

01

Q

H01Q 1/08 (2006.01) H01Q 1/24 (2006.01) H04B 1/38 (2006.01)

Patent

CA 2175274

The invention relates to a double-action, two-piece antenna structure whose first antenna part, preferably a helix antenna (1), is fixedly connected to the antenna port of a radio communications set, and the second antenna port. preferably a rod antenna (2), is movable with respect to the said first antenna part. In an active position, the said second antenna part (2) is coupled to the said first antenna part (1), forming a serial connection whose electrical length is as great as or greater than the electrical length of the first antenna part alone.

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