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Machine translation
1. (WO2010116387) COMPRESSION SPEAKER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2010/116387    International Application No.:    PCT/IT2009/000144
Publication Date: 14.10.2010 International Filing Date: 06.04.2009
IPC:
H04R 1/30 (2006.01), H04R 1/34 (2006.01)
Applicants: FABBRICA ITALIANA ALTOPARLANTI S.p.A. [IT/IT]; Via B. Buozzi 12 20097 San Donato Milanese Ml (IT) (For All Designated States Except US).
CAPUCCI Emilian [IT/IT]; (IT) (For US Only).
TOPPI Romolo [IT/IT]; (IT) (For US Only)
Inventors: CAPUCCI Emilian; (IT).
TOPPI Romolo; (IT)
Agent: PIZZOLI Antonio, @; Societa ltaliana Brevetti S.p.A. Via Carducci 8 20123 Milano Ml (IT)
Priority Data:
Title (EN) COMPRESSION SPEAKER
(FR) HAUT PARLEUR À COMPRESSION
Abstract: front page image
(EN)Speaker comprising a diaphragm (1) which is mechanically connected to a coil (3) for generating sound waves and is arranged under an output mouth (4) of a main body (2) for transmitting the sound waves outwards, wherein a phase plug (7) is arranged between the diaphragm (1) and the output mouth (4), is provided with a plurality of radial slits (8) which connect the diaphragm (1) with the output mouth (4) and has a substantially frustoconical shape with the smaller base substantially coinciding with the output mouth (4).
(FR)L'invention concerne un haut-parleur comprenant une membrane (1) qui est reliée mécaniquement à une bobine (3) pour générer des ondes sonores et placé sous une embouchure de sortie (4) d'un corps principal (2) pour transmettre les ondes sonores vers l'extérieur. Un bouchon de phase (7) est placé entre la membrane (1) et l'embouchure de sortie (4), et est pourvu d'une pluralité de fentes radiales (8) qui relient la membrane (1) et l'embouchure de sortie (4) et présente une forme sensiblement tronconique à base plus petite coïncidant sensiblement avec l'embouchure de sortie (4).
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: Italian (IT)