IT1279576B1 - Trasduttore acustico a tromba con diffusore di tipo conico a profilo esponenziale in legno. - Google Patents
Trasduttore acustico a tromba con diffusore di tipo conico a profilo esponenziale in legno.Info
- Publication number
- IT1279576B1 IT1279576B1 IT95TO000446A ITTO950446A IT1279576B1 IT 1279576 B1 IT1279576 B1 IT 1279576B1 IT 95TO000446 A IT95TO000446 A IT 95TO000446A IT TO950446 A ITTO950446 A IT TO950446A IT 1279576 B1 IT1279576 B1 IT 1279576B1
- Authority
- IT
- Italy
- Prior art keywords
- wood
- pct
- sound transducer
- type diffuser
- exponential profile
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
-
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Steroid Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Stringed Musical Instruments (AREA)
- Catching Or Destruction (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Priority Applications (17)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95TO000446A IT1279576B1 (it) | 1995-05-30 | 1995-05-30 | Trasduttore acustico a tromba con diffusore di tipo conico a profilo esponenziale in legno. |
DE69620601T DE69620601T2 (de) | 1995-05-30 | 1996-05-29 | Akustischer hornwandler, mit einem, einexponentieller profil aufweisenden, koischartiger diffusor |
AU60028/96A AU706289B2 (en) | 1995-05-30 | 1996-05-29 | Acoustic horn transducer with a conic type diffuser having an exponential profile in wood |
JP8536181A JPH11505994A (ja) | 1995-05-30 | 1996-05-29 | 指数関数的断面形状をもった木製の円錐形ディフューザーを具えた音響用ホーン形変換器 |
PCT/EP1996/002301 WO1996038834A1 (en) | 1995-05-30 | 1996-05-29 | Acoustic horn transducer with a conic type diffuser having an exponential profile in wood |
KR1019970708481A KR19990022006A (ko) | 1995-05-30 | 1996-05-29 | 지수형 목재 프로필로 된 원뿔형 확산기를 갖는 음향혼 트랜스듀서 |
PL96323557A PL187584B1 (pl) | 1995-05-30 | 1996-05-29 | Przetwornik akustyczny ze stożkowym dyfuzorem |
PT96917459T PT829078E (pt) | 1995-05-30 | 1996-05-29 | Transdutor de corneta acustica com difusor do tipo conico tendo um perfil exponencial |
CA002222578A CA2222578A1 (en) | 1995-05-30 | 1996-05-29 | Acoustic horn transducer with a conic type diffuser having an exponential profile in wood |
US08/952,838 US6079514A (en) | 1995-05-30 | 1996-05-29 | Acoustic horn transducer with a conic type diffuser having and exponential profile in wood |
EP96917459A EP0829078B1 (en) | 1995-05-30 | 1996-05-29 | Acoustic horn transducer with a conic type diffuser having an exponential profile |
DK96917459T DK0829078T3 (da) | 1995-05-30 | 1996-05-29 | Akustisk horntransducer med diffusor af konisk type med eksponentiel profil |
CNB961957859A CN1145924C (zh) | 1995-05-30 | 1996-05-29 | 带有指数轮廓的木制圆锥形扩散器的喇叭形声换能器 |
AT96917459T ATE216117T1 (de) | 1995-05-30 | 1996-05-29 | Akustischer hornwandler, mit einem, einexponentieller profil aufweisenden, koischartiger diffusor |
ES96917459T ES2175094T3 (es) | 1995-05-30 | 1996-05-29 | Transductor de bocina acustica con un difusor de tipo conico que tieneun perfil exponencial. |
NO975505A NO975505L (no) | 1995-05-30 | 1997-11-28 | Akustisk horn-transduser med diffusor av konisk type og med eksponentiell profil av tre |
MX9709236A MX9709236A (es) | 1995-05-30 | 1997-11-28 | Transductor de bocina acustica con un difusor tipo conico que tiene un perfil exponencial en madera. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95TO000446A IT1279576B1 (it) | 1995-05-30 | 1995-05-30 | Trasduttore acustico a tromba con diffusore di tipo conico a profilo esponenziale in legno. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO950446A0 ITTO950446A0 (it) | 1995-05-30 |
ITTO950446A1 ITTO950446A1 (it) | 1996-11-30 |
IT1279576B1 true IT1279576B1 (it) | 1997-12-16 |
Family
ID=11413604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT95TO000446A IT1279576B1 (it) | 1995-05-30 | 1995-05-30 | Trasduttore acustico a tromba con diffusore di tipo conico a profilo esponenziale in legno. |
Country Status (17)
Country | Link |
---|---|
US (1) | US6079514A (it) |
EP (1) | EP0829078B1 (it) |
JP (1) | JPH11505994A (it) |
KR (1) | KR19990022006A (it) |
CN (1) | CN1145924C (it) |
AT (1) | ATE216117T1 (it) |
AU (1) | AU706289B2 (it) |
CA (1) | CA2222578A1 (it) |
DE (1) | DE69620601T2 (it) |
DK (1) | DK0829078T3 (it) |
ES (1) | ES2175094T3 (it) |
IT (1) | IT1279576B1 (it) |
MX (1) | MX9709236A (it) |
NO (1) | NO975505L (it) |
PL (1) | PL187584B1 (it) |
PT (1) | PT829078E (it) |
WO (1) | WO1996038834A1 (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2455563B (en) * | 2007-12-14 | 2012-03-21 | Tannoy Ltd | Acoustical horn |
US20140234790A1 (en) * | 2013-02-21 | 2014-08-21 | Patrice Emma Morris | Birthday candle blow horn apparatus and method thereof |
USD818992S1 (en) * | 2015-03-31 | 2018-05-29 | B & W Group Ltd | Loudspeaker |
US10547949B2 (en) | 2015-05-29 | 2020-01-28 | EVA Automation, Inc. | Loudspeaker diaphragm |
GB2538809B (en) | 2015-05-29 | 2021-08-25 | B & W Group Ltd | Loudspeaker diaphragm |
USD831618S1 (en) * | 2016-03-01 | 2018-10-23 | Bentley Motors Ltd. | Automobile speaker |
DE202017102417U1 (de) * | 2016-04-25 | 2017-07-27 | Gwf Messsysteme Ag | Kompakter Weitwinkel-Schallwandler |
USD856977S1 (en) * | 2017-02-01 | 2019-08-20 | SpaceControl GmbH & Co. KG | Speaker cover |
USD832239S1 (en) * | 2017-02-17 | 2018-10-30 | Bose Corporation | Speaker |
US10516927B2 (en) * | 2018-04-17 | 2019-12-24 | Wave Sciences, LLC | Acoustic parabolic mirror ring apparatus |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2873812A (en) * | 1957-09-05 | 1959-02-17 | Electro Voice | High frequency loudspeaker structure |
US4031337A (en) * | 1974-12-16 | 1977-06-21 | Matsushita Electric Industrial Co., Ltd. | Loudspeaker |
US4206831A (en) * | 1976-03-29 | 1980-06-10 | Robert B. Welch | Loudspeaker coupler |
US4171734A (en) * | 1977-11-10 | 1979-10-23 | Beta Sound, Incorporated | Exponential horn speaker |
US4176731A (en) * | 1977-11-21 | 1979-12-04 | Altec Corporation | Two-section exponential acoustical horn |
US4496021A (en) * | 1983-02-18 | 1985-01-29 | Emmanuel Berlant | 360 Degree radial reflex orthospectral horn for high-frequency loudspeakers |
US4673057A (en) * | 1984-11-13 | 1987-06-16 | Glassco John M | Geometrical transducer arrangements |
US5889876A (en) * | 1997-05-01 | 1999-03-30 | Billings; Bart P. | Hemispherical speaker system |
-
1995
- 1995-05-30 IT IT95TO000446A patent/IT1279576B1/it active IP Right Grant
-
1996
- 1996-05-29 CN CNB961957859A patent/CN1145924C/zh not_active Expired - Fee Related
- 1996-05-29 DE DE69620601T patent/DE69620601T2/de not_active Expired - Fee Related
- 1996-05-29 AT AT96917459T patent/ATE216117T1/de not_active IP Right Cessation
- 1996-05-29 AU AU60028/96A patent/AU706289B2/en not_active Ceased
- 1996-05-29 PT PT96917459T patent/PT829078E/pt unknown
- 1996-05-29 CA CA002222578A patent/CA2222578A1/en not_active Abandoned
- 1996-05-29 EP EP96917459A patent/EP0829078B1/en not_active Expired - Lifetime
- 1996-05-29 ES ES96917459T patent/ES2175094T3/es not_active Expired - Lifetime
- 1996-05-29 DK DK96917459T patent/DK0829078T3/da active
- 1996-05-29 KR KR1019970708481A patent/KR19990022006A/ko not_active Application Discontinuation
- 1996-05-29 US US08/952,838 patent/US6079514A/en not_active Expired - Fee Related
- 1996-05-29 JP JP8536181A patent/JPH11505994A/ja active Pending
- 1996-05-29 PL PL96323557A patent/PL187584B1/pl not_active IP Right Cessation
- 1996-05-29 WO PCT/EP1996/002301 patent/WO1996038834A1/en not_active Application Discontinuation
-
1997
- 1997-11-28 NO NO975505A patent/NO975505L/no not_active Application Discontinuation
- 1997-11-28 MX MX9709236A patent/MX9709236A/es not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PL187584B1 (pl) | 2004-08-31 |
KR19990022006A (ko) | 1999-03-25 |
DK0829078T3 (da) | 2002-08-05 |
ITTO950446A1 (it) | 1996-11-30 |
EP0829078A1 (en) | 1998-03-18 |
CA2222578A1 (en) | 1996-12-05 |
PT829078E (pt) | 2002-09-30 |
ATE216117T1 (de) | 2002-04-15 |
ITTO950446A0 (it) | 1995-05-30 |
AU6002896A (en) | 1996-12-18 |
CN1145924C (zh) | 2004-04-14 |
WO1996038834A1 (en) | 1996-12-05 |
PL323557A1 (en) | 1998-04-14 |
EP0829078B1 (en) | 2002-04-10 |
NO975505D0 (no) | 1997-11-28 |
AU706289B2 (en) | 1999-06-10 |
JPH11505994A (ja) | 1999-05-25 |
NO975505L (no) | 1998-01-28 |
MX9709236A (es) | 1998-10-31 |
DE69620601D1 (de) | 2002-05-16 |
US6079514A (en) | 2000-06-27 |
CN1191621A (zh) | 1998-08-26 |
ES2175094T3 (es) | 2002-11-16 |
DE69620601T2 (de) | 2002-08-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |