Non-protruding dual-band antenna for communications device
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United States of America Patent
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-
Jan 18, 2000
Issued Date -
N/A
app pub date -
May 29, 1998
filing date -
May 29, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Dual-band antennas include first and second radiating elements configured to be enclosed within a radiotelephone between a keypad and a top housing and to occupy available space existing around the perimeter of the keypad and/or between the keys of a keypad. First and second coplanar radiating elements are maintained in adjacent spaced-apart relationship with a circuit board underlying the keypad. The underlying circuit board serves as a ground plane for directing radiation from the antenna outwardly in a direction normal to the circuit board.
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