http://www.freshpatents.com/Acoustics-dtnewntc181.php USPTO Class 181 - Acoustics en-us Mon, 30 Jan 2012 13:29:04 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20120126ptan20120018243.php Mon, 30 Jan 2012 13:29:04 -0800 In a headphone set, a speaker is enclosed in a housing. A cord is connected to the speaker at one end and running to the outside of the housing at another end through a pulling-out portion of the housing. The cord is inserted into a bushing at the pulling-out portion.... http://www.freshpatents.com/-dt20120126ptan20120018244.php Mon, 30 Jan 2012 13:29:04 -0800 a means (24, 24′, 241, 24′1) for actuating a displacement or deformation, in the plane of the sensor, or to recover energy resulting from a displacement or deformation, in the plane of the sensor, of said mobile or deformable wall. at least one... http://www.freshpatents.com/-dt20120126ptan20120018245.php Mon, 30 Jan 2012 13:29:04 -0800 A glazing unit having improved vibroacoustic damping properties, including: at least one glass sheet; at least one vibroacoustic damping strip, the strip including at least one element made of damping material and the strip being fastened to one of the faces of the glass sheet. The face of the strip... http://www.freshpatents.com/-dt20120126ptan20120018246.php Mon, 30 Jan 2012 13:29:04 -0800 A muffler unit (4) for fume extractor hood is disclosed, which comprises an active noise suppression system, comprising at least one loudspeaker (6), and at least two microphones (M1, M2) connected to a control unit (7), and a passive noise suppression system comprising sound-absorbent material (8) disposed between said microphones... http://www.freshpatents.com/-dt20120126ptan20120018247.php Mon, 30 Jan 2012 13:29:04 -0800 A wedge-shaped, number theoretical acoustic diffuser both diffuses and reflects sound while eliminating wasted space created by prior art. The inventive diffuser consists of wells of continuously variable depths which provide wide-bandwidth diffusion in a single dimension. The back of the wells are reflective planes of a plurality of angles...