ASK INDUSTRIES SOCIETA' PER AZIONI Patent applications |
Patent application number | Title | Published |
20140341712 | LOW-NOISE FUME EXTRACTOR HOOD - A fume extractor hood is disclosed, comprising a box with a motor-fan assembly and a muffler module comprising a bearing frame defining an air extraction conduit with axis (A), an active noise suppression system comprising at least one electro-acoustic transducer and at least two microphones, a passive noise suppression system comprising a sound absorbent material. Said muffler module comprises at least two electro-acoustic transducers connected to the walls of said bearing frame, in opposite positions, in such manner to leave the central part of said conduit free. The sound beams coming from said at least two electro-acoustic transducers are mutually combined, obtaining a resulting sound beam that can be directed towards a preferred direction by means of beam forming algorithms. | 11-20-2014 |
20120224727 | RIBBON TRANSDUCER PROVIDED WITH DYANMIC TENSIONING SYSTEM - A ribbon transducer comprising a ribbon made of conductive material, two rigid supports where the ends of the ribbon are fixed, and a tensioning and damping system provided at least at one end of the conductive ribbon to tension the ribbon and damp its movements. The tensioning and damping system comprises a leaf spring comprising a first end section to which said ribbon is fixed and a second end section fixed to said rigid support, in such a way to exert a tensile force in the tensioning direction of the ribbon. | 09-06-2012 |
20120170795 | SHAKER-TYPE TRANSDUCER WITH CENTERING DEVICE - A shaker transducer is disclosed, which comprises a magnetic unit ( | 07-05-2012 |