(57) ABSTRACT Related US Application Data (60) Provisional application No. 60/630,499,
filed on Nov. A circuit board for wireless communications includes com 22, 2004. s-1-9 …

Electronic devices are provided that contain wireless communications circuitry. The wireless
communications circuitry may include radio-frequency transceiver circuitry and antenna …

Controller 106 H ated with the communication device, and a matching network having at
least one second tunable element coupled at a feed point of the antenna, wherein the …

US8626083B2 - Method and apparatus for tuning a communication device - Google Patents
US8626083B2 - Method and apparatus for tuning a communication device - Google Patents …

US7612725B2 - Antennas for handheld electronic devices with conductive bezels - Google
Patents US7612725B2 - Antennas for handheld electronic devices with conductive bezels …

The present disclosure may include, for example, a tunable capacitor having a decoder for
generating a plurality of control signals, and an array of tunable switched capacitors …

A laminated dielectric block (3) is formed by laminating dielectric sheets (31) each having a
conductive film formed on its one surface so as to constitute at least one filter (2). A radiation …

(51) Int. Cl A sy hat incorp hings of the p discl HO3H 7/38(2006.01) may include, for
example, an adaptive impedance matching GOIR 27/00(2006.01) network having an RF …

HO3H 7/38(2006.01) may include, for example, an apparatus having an RF match GOIR
27/00(2006.01) ing network including one or more variable reactive elements,(52) US Cl …

H01O 700(2006.01) Dielectric-filled gaps may divide the peripheral conductive H01O
9/14(2006.01) member into individual segments. A ground plane may be H01O …