SEAT ELECTROACOUSTICAL TRANSDUCING
1 Assignment
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Accused Products
Abstract
An acoustic device, including an acoustic enclosure and a first electroacoustical transducing apparatus comprising a motor structure providing mechanical vibration, the vibration having a direction of vibration, mounted in the acoustic enclosure. The acoustic device is constructed and arranged so that first pressure waves are radiated from a first radiation point and second pressure waves are radiated from a second radiation point and so that the first pressure waves and the second pressure waves destructively interfere at observation points relatively equidistant from the first and second radiation points. The acoustic device is further constructed and arranged to be structurally combined with a seating device so that the first radiation point is relatively close to the head of an occupant of the seating device and so that the second radiation point is relatively far from the head of the occupant. The acoustic device is further constructed and arranged to transmit the mechanical vibration to the seat back.
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Citations
45 Claims
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1-28. -28. (canceled)
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29. An acoustic device, comprising:
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an acoustic enclosure; a first electroacoustical transducer, mounted in the acoustic enclosure; the acoustic device constructed and arranged so that first pressure waves are radiated from a first radiation point and second pressure waves are radiated from a second radiation point and so that the first pressure waves and the second pressure waves destructively interfere at observation points relatively equidistant from the first and second radiation points; the acoustic device further constructed and arranged to be structurally combined with a seating device so that the first radiation point is relatively close to the head of an occupant of the seating device and so that the second radiation point is relatively far from the head of the occupant. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
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38. Apparatus comprising:
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a seating device comprising a seat back; a transducer constructed and arranged to be structurally combined with the seating device, the transducer comprising a pressure wave radiating diaphragm having a first surface and a second surface to radiate acoustic energy, the seating device further comprising an acoustic enclosure having a first radiation point and a second radiation point wherein the transducer is mounted in the acoustic enclosure so that pressure waves radiated by a first diaphragm surface leave the enclosure through the first radiation point and so that the pressure waves radiated by a second diaphragm surface leave the enclosure through the second radiation point. - View Dependent Claims (39)
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40. A vehicle seat, comprising:
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an acoustic apparatus comprising a first electroacoustical transducer in an acoustic enclosure for radiating acoustic energy into the acoustic enclosure; the acoustic enclosure comprising a first exit point close to the position typically occupied by the head of an occupant of the vehicle seat for radiating acoustic energy of a first phase to the environment; and a second exit point removed from the position typically occupied by the head of an occupant of the vehicle seat for radiating acoustic energy of a second phase, opposite to the first phase, to the environment. - View Dependent Claims (41, 42, 43, 44, 45)
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Specification