Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Balakrishnan Srinivasan0
Valluri Rao0
Joe Hayden, III0
Issy Kipnis0
Date of Patent
January 23, 2007
Patent Application Number
10877456
Date Filed
June 25, 2004
Patent Primary Examiner
Patent abstract
An antenna for a wireless device may be kept dynamically tuned to a desired center frequency to compensate for detuning which may be caused by environmental influences. A sensor provides a feedback signal to a controller to select an appropriate capacitance value from a variable capacitor to tune the antenna for the wireless device. The variable capacitor may comprise a plurality of fixed capacitors and MEMS switches arranged in parallel or may comprise a variable MEMS capacitor having a fixed lower plate and a flexible upper plate.
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