Selectively engaged antenna matching for a mobile terminal

Details Selectively engaged antenna matching for a mobile terminal Selectively engaged antenna matching for a mobile terminal

2006-02-07

2006-02-07

Lee, Wilson (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C455S090300, C455S550100, C455S575100, C455S575300, C455S575400, C455S575700

Reexamination Certificate

active

06995716

ABSTRACT:
Selectively engaged antenna matching for a mobile terminal. Antenna matching can be engaged, disengaged, or switched as needed depending on whether a movable cover or clam-shell portion of a mobile terminal is open or closed. A switch can connect a single matching network to a radiating element in one case, and disconnect the single matching network from the radiating element in the other case. Alternatively, the switch can connect one matching network to the radiating element to achieve one matched condition, and the other matching network to the radiating element to achieve the other matched condition. In other embodiments, a switchable matching arrangement can alter the signal and/or ground feed points of an antenna. The technique can be applied to planar, fixed external, or collapsible antennas.

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