Structural arrangement for a radio communication terminal incorporating a loudspeaker and an earpiece
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Sep 4, 2003
filing date -
Sep 5, 2002
priority date (Note) -
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Abstract
In a structural arrangement for radio communication terminals comprising a casing in which are disposed at least a first sound transducer having an earpiece function and a second sound transducer having a loudspeaker function, the two transducers being respectively connected to two opposite faces of a printed circuit card, and each transducer comprising at least one resonating membrane vibrating in a front acoustical cavity and a rear acoustical cavity. The rear acoustical cavities of the transducers communicate with each other via orifices formed in the printed circuit card to form a twin rear acoustical cavity.
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