Keyboard comprising a loudspeaker
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United States of America Patent
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-
Jun 17, 2003
Issued Date -
N/A
app pub date -
Oct 20, 2000
filing date -
Sep 2, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A keyboard (40) having a bending wave loudspeaker (46) comprising an acoustic radiator capable of supporting bending waves and a transducer (48) mounted on the acoustic radiator to excite bending waves in the acoustic radiator to produce an acoustic output. The keyboard comprises a housing (38) having a lid (36) supporting individual keys (14) or a touchpad. The loudspeaker (46) may be integrally formed with the base (42) of the housing of the loudspeaker, or, if a touchpad is used, may be integral with the touchpad. The acoustic radiator may be a resonant mode bending wave radiator.
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