Handheld device
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United States of America Patent
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Sep 15, 2015
Grant Date -
Jan 22, 2015
app pub date -
Oct 7, 2014
filing date -
Mar 7, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A handheld device is provided, wherein the handheld device comprises a housing, a circuit board, a planar antenna and a switch. The housing comprising an outer surface is configured to define a receiving space. The circuit board is disposed in the receiving space. The planar antenna comprises a metal layer, wherein the metal layer comprising a first connecting point and a second connecting point is patterned on the outer surface. The switch comprising a first electrode and a second electrode is configured to control the electrical connection between the first connecting point and the second connecting point, wherein the first electrode and the second electrode are electrically connected between the first connecting point and the second connecting point. The planar antenna operates at a first central band when the switch is turned on, and operates at a second central band when the switch is turned off.
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