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Matched Legal Cases: ['Application No. 201210097445', 'Application No. 201080039314', 'Application No. 2010292825', 'Application No. 2012', 'Application No. 201080039314', 'Application No. 201210097445', 'Application No. 2013', 'Application No. 2013', 'Application No. 2', 'Application No. 201180048401', 'Application No. 11']

Modular acoustic horns and horn arrays - Bose Corporation
Modular acoustic horns and horn arrays
United States Patent 9111521
Blore, David Edwards (Westborough, MA, US)
Fidlin, Paul F. (Wayland, MA, US)
Hayashi, Soichiro (Framingham, MA, US)
Macdonald, Thomas E. (Boston, MA, US)
Santoro, Peter C. (Shirley, MA, US)
12/898947
H04R3/00; G10K11/02; H04R1/20; H04R1/30; H04R1/40
381/117, 381/182, 381/337-342
Download PDF 9111521 PDF help
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1. Apparatus, comprising: a first acoustic horn, comprising a first acoustic module comprising a first acoustic driver; and a first acoustic duct, for conducting acoustic energy from the first acoustic driver, the first acoustic duct having a first opening through which acoustic energy is radiated, the first acoustic duct characterized by a first centerline; and a second acoustic module comprising a second acoustic driver; and a second acoustic duct, for conducting acoustic energy from the acoustic driver, the second acoustic duct having a second opening through which acoustic energy is radiated, the second acoustic duct characterized by a second centerline; the first module and the second module configured to be positioned and held in place so that the first and second openings are aligned to form a substantially continuous diffraction slot and so that the first and second centerlines are normal to an arc and intersect at a first one of a plurality of angles, wherein the first acoustic horn is disposed within a first enclosure and a top wall of the first acoustic horn directly corresponds to a top wall of the first enclosure and a bottom wall of the first acoustic horn directly corresponds to a bottom wall of the first enclosure.
2. The apparatus of claim 1, further comprising an additional plurality of acoustic modules, each of the additional acoustic modules comprising an acoustic driver and an acoustic duct, each duct having an opening through which acoustic energy is radiated, each duct characterized by a centerline; each of the additional plurality of acoustic modules configured to be positioned and held in place so that the opening of each of the additional plurality of acoustic modules is aligned with the openings of the others of the plurality of acoustic modules and with the openings of the first and second acoustic modules to form a substantially continuous diffraction slot.
7. The apparatus of claim 1, wherein the plane of the first opening and the second opening intersect at a first angle, and further comprising a second acoustic horn, comprising a third acoustic module comprising a third acoustic driver; and a third acoustic duct, for conducting acoustic energy from the third acoustic driver, the third acoustic duct having a third opening through which acoustic energy is radiated, the third acoustic module characterized by a third centerline; a fourth acoustic module comprising a fourth acoustic driver; and a fourth acoustic duct, for conducting acoustic energy from the acoustic driver, the fourth acoustic duct having a fourth opening through which acoustic energy is radiated, the fourth acoustic duct characterized by a fourth centerline; the third module and the fourth module configured to be positioned and held in place so that the third and fourth openings are aligned to form a substantially continuous diffraction slot and so that the third centerline and the fourth centerline are normal to an arc and so that the third and fourth centerline intersect at a second angle, different from the first angle, wherein the second acoustic horn is disposed within a second enclosure and a top wall of the second acoustic horn directly corresponds to a top wall of the second enclosure and a bottom wall of the second acoustic horn directly corresponds to a bottom wall of the second enclosure.
11. Apparatus, comprising: a first acoustic horn, comprising a first acoustic module comprising a first acoustic driver; and a first acoustic duct, for conducting acoustic energy from the first acoustic driver, the first acoustic duct having a first elongated planar opening through which acoustic energy is radiated; and a second acoustic module comprising a second acoustic driver; and a second acoustic duct, for conducting acoustic energy from the acoustic driver, the second acoustic duct having a second elongated planar opening through which acoustic energy is radiated; the first module and the second module configured to be positioned so that the first and second elongated planar openings are aligned in the direction of elongation to form a substantially continuous diffraction slot and so that the plane of the first elongated planar opening intersects the plane of the second elongated planar opening at any one of a plurality of angles, the apparatus further comprising a bracket to hold the acoustic modules in a desired position and orientation, wherein the first acoustic horn is disposed within a first enclosure and a top wall of the first acoustic horn directly corresponds to a top wall of the first enclosure and a bottom wall of the first acoustic horn directly corresponds to a bottom wall of the first enclosure.
12. The apparatus of claim 11, further comprising an additional plurality of acoustic modules, each of the additional acoustic modules comprising an acoustic driver and an acoustic duct, each duct having an elongated planar opening through which acoustic energy is radiated; each of the additional plurality of acoustic modules configured to be positioned so that the opening of each of the additional plurality of acoustic modules is aligned in the direction of elongation with the openings of the others of the plurality of acoustic modules and with the openings of the first and second acoustic modules to form a substantially continuous diffraction slot.
17. The apparatus of claim 11, wherein the plane of the first elongated planar opening and the plane of the second elongated planar opening intersect at a first one of the plurality of angles, and further comprising a second acoustic horn, comprising a third acoustic module comprising a third acoustic driver; and a third acoustic duct, for conducting acoustic energy from the third acoustic driver, the third acoustic duct having a third elongated planar opening through which acoustic energy is radiated; a fourth acoustic module comprising a fourth acoustic driver; and a fourth acoustic duct, for conducting acoustic energy from the acoustic driver, the fourth acoustic duct having a fourth elongated planar opening through which acoustic energy is radiated; the third module and the fourth module configured to be positioned so that the third and fourth openings are aligned in the direction of elongation to form a substantially continuous diffraction slot and so that the plane of the third elongated planar intersects the plane of the fourth elongated planar opening at a second one of the plurality of angles, different from the first one of the plurality of angles, wherein the second acoustic horn is disposed within a second enclosure and a top wall of the second acoustic horn directly corresponds to a top wall of the second enclosure and a bottom wall of the second acoustic horn directly corresponds to a bottom wall of the second enclosure.
20. The apparatus of claim 11, further comprising a top and a bottom, the apparatus configured so that the top and the bottom used when the planes intersect at the one of the plurality of angles can be used when the planes intersect at a second one of the plurality of angles.
21. A method for forming loudspeaker arrays, comprising: providing at least two acoustic horns from a first plurality of acoustic horns each of the plurality of acoustic horns having a top having a planar top surface and a bottom having a planar bottom surface, the top and the bottom characterized by a thickness, each of the plurality of horns having a different vertical dispersion angle, and each horn comprising a diffraction slot, arranging the plurality so that a top surface of one acoustic horn is parallel to, and in planar contact with, the bottom surface of an adjacent acoustic horn and so that the horn diffraction slots are aligned to form an array diffraction slot with gaps not substantially larger than the combined thickness of the top of the one horn and the bottom of the adjacent acoustic horn, disposing the plurality of acoustic horns within an enclosure, and arranging the plurality so that a top surface of a first acoustic horn directly corresponds to a top wall of the enclosure and a bottom surface of a second acoustic horn directly corresponds to a bottom wall of the enclosure.
22. The method of claim 21, wherein the providing comprises forming a first of the acoustic horns from a first plurality of substantially identical acoustic modules, each module comprising an acoustic driver and an acoustic duct having an opening, each acoustic duct characterized by a centerline, the forming comprising arranging the first plurality of acoustic modules so that the centerlines are normal to a first arc and intersect at an angle and so that the openings are aligned to form the first acoustic horn diffraction slot; and forming a second of the acoustic horns from a second plurality of acoustic modules, substantially identical to the first plurality of acoustic modules, each module comprising an acoustic driver and an acoustic duct having an opening, each acoustic duct characterized by a centerline, the forming comprising arranging the second plurality of acoustic modules so that the centerlines are normal to a second arc and so that the openings are aligned to form the second acoustic horn diffraction slot.
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