IT1258008B - Trasduttore elettroacustico composito per la riproduzione delle frequenze medio-alte - Google Patents
Trasduttore elettroacustico composito per la riproduzione delle frequenze medio-alteInfo
- Publication number
- IT1258008B IT1258008B ITBO920012A ITBO920012A IT1258008B IT 1258008 B IT1258008 B IT 1258008B IT BO920012 A ITBO920012 A IT BO920012A IT BO920012 A ITBO920012 A IT BO920012A IT 1258008 B IT1258008 B IT 1258008B
- Authority
- IT
- Italy
- Prior art keywords
- reproduction
- medium
- high frequencies
- compound
- electroacoustic transducer
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 title 1
- 239000012528 membrane Substances 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Il trasduttore elettroacustico composito per la riproduzione delle frequenze medio-alte comprende un trasduttore preposto alla riproduzione delle frequenze medie dotato di una membrana a cupola sviluppata in forma anulare e un trasduttore preposto alla riproduzione delle frequenze alte dotato di una membrana a cupola disposta coassiale al centro di detto trasduttore preposto alla riproduzione delle frequenze medie.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO920012A IT1258008B (it) | 1992-01-14 | 1992-01-14 | Trasduttore elettroacustico composito per la riproduzione delle frequenze medio-alte |
US08/003,051 US5339286A (en) | 1992-01-14 | 1993-01-11 | Composite electroacoustic transducer |
EP93100269A EP0551845B1 (en) | 1992-01-14 | 1993-01-11 | Composite electroacoustic transducer |
DE69300557T DE69300557T2 (de) | 1992-01-14 | 1993-01-11 | Elektroakustische Wandler-Kombination. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO920012A IT1258008B (it) | 1992-01-14 | 1992-01-14 | Trasduttore elettroacustico composito per la riproduzione delle frequenze medio-alte |
Publications (3)
Publication Number | Publication Date |
---|---|
ITBO920012A0 ITBO920012A0 (it) | 1992-01-14 |
ITBO920012A1 ITBO920012A1 (it) | 1993-07-14 |
IT1258008B true IT1258008B (it) | 1996-02-20 |
Family
ID=11337920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITBO920012A IT1258008B (it) | 1992-01-14 | 1992-01-14 | Trasduttore elettroacustico composito per la riproduzione delle frequenze medio-alte |
Country Status (4)
Country | Link |
---|---|
US (1) | US5339286A (it) |
EP (1) | EP0551845B1 (it) |
DE (1) | DE69300557T2 (it) |
IT (1) | IT1258008B (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4329982C2 (de) * | 1993-09-04 | 2003-05-28 | Sennheiser Electronic | Elektrodynamischer Schallwandler |
US6097135A (en) | 1998-05-27 | 2000-08-01 | Louis J. Desy, Jr. | Shaped multilayer ceramic transducers and method for making the same |
ATE446651T1 (de) * | 1998-07-21 | 2009-11-15 | Harman Int Ind | Miniaturisierter breitbandlautsprecher |
US6647122B1 (en) | 1998-09-28 | 2003-11-11 | Pioneer Electronics Technology, Inc. | Loudspeaker drive unit |
CA2352732A1 (en) * | 2000-07-11 | 2002-01-11 | Philip Jeffrey Anthony | Compound loudspeaker drive unit having a magnet system |
JP4153156B2 (ja) * | 2000-11-10 | 2008-09-17 | 富士通テン株式会社 | スピーカ装置 |
US6980664B2 (en) * | 2001-01-04 | 2005-12-27 | Danish Sound Technology A/S | Double-dome speaker |
US6639995B2 (en) * | 2002-01-23 | 2003-10-28 | Advanced Magnetic Technologies, Inc. | Concentric magnetic configuration for loudspeakers |
NL1020060C1 (nl) * | 2002-02-26 | 2003-08-27 | Jacobus Maria De Rooij | Platte luidspreker met meervoudige concentrische systemen. |
US8315419B2 (en) * | 2008-07-25 | 2012-11-20 | Bose Corporation | Sound producing system |
GB2470362B (en) * | 2009-05-19 | 2013-03-20 | Gp Acoustics Uk Ltd | Cone loudspeaker |
FR2955446B1 (fr) | 2010-01-15 | 2015-06-05 | Phl Audio | Transducteur electrodynamique a dome et suspension flottante |
FR2955444B1 (fr) | 2010-01-15 | 2012-08-03 | Phl Audio | Systeme de haut-parleur coaxial a chambre de compression |
FR2955445B1 (fr) | 2010-01-15 | 2013-06-07 | Phl Audio | Transducteur electrodynamique a dome et suspension interne |
US9258630B2 (en) * | 2014-07-09 | 2016-02-09 | Huiyang Dongmei Audio Products Co., Ltd. | Coaxial audio speaker using single audio source |
US9210513B1 (en) * | 2014-07-18 | 2015-12-08 | Huiyang Dongmei Audio Products Co., Ltd. | Multiple-ring coaxial audio speaker using single audio source |
US9210489B1 (en) * | 2014-07-18 | 2015-12-08 | Huiyang Dongmei Audio Products Co., Ltd. | Off-axial audio speaker using single audio source |
IT202200002666A1 (it) | 2022-02-14 | 2023-08-14 | Luca Corso | Nuovo diffusore di suoni caratterizzato da una configurazione adattabile e aggiornabile nel tempo da parte di un utente |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2122587A (en) * | 1925-07-20 | 1938-07-05 | Rca Corp | Acoustic device |
US2496589A (en) * | 1945-05-08 | 1950-02-07 | Operadio Mfg Co | Double diaphragm loud-speaker |
US4492826A (en) * | 1982-08-10 | 1985-01-08 | R&C Chiu International, Inc. | Loudspeaker |
DE8508713U1 (de) * | 1985-03-23 | 1985-05-02 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Lautsprecherkombination |
DE8610875U1 (de) * | 1986-04-21 | 1986-06-05 | Deuble, Thomas, 8998 Lindenberg | Lautsprecher und Magnetsystem hierfür |
GB8810943D0 (en) * | 1988-05-09 | 1988-06-15 | Kef Electronics Ltd | Loudspeaker |
US5022425A (en) * | 1988-12-23 | 1991-06-11 | Dresser Industries Inc. | Sensitive electrical to mechanical transducer |
-
1992
- 1992-01-14 IT ITBO920012A patent/IT1258008B/it active IP Right Grant
-
1993
- 1993-01-11 DE DE69300557T patent/DE69300557T2/de not_active Expired - Fee Related
- 1993-01-11 US US08/003,051 patent/US5339286A/en not_active Expired - Lifetime
- 1993-01-11 EP EP93100269A patent/EP0551845B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0551845A1 (en) | 1993-07-21 |
US5339286A (en) | 1994-08-16 |
ITBO920012A1 (it) | 1993-07-14 |
EP0551845B1 (en) | 1995-10-04 |
ITBO920012A0 (it) | 1992-01-14 |
DE69300557T2 (de) | 1996-06-05 |
DE69300557D1 (de) | 1995-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970211 |