IT1086464B - Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche - Google Patents

Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche

Info

Publication number
IT1086464B
IT1086464B IT27274/77A IT2727477A IT1086464B IT 1086464 B IT1086464 B IT 1086464B IT 27274/77 A IT27274/77 A IT 27274/77A IT 2727477 A IT2727477 A IT 2727477A IT 1086464 B IT1086464 B IT 1086464B
Authority
IT
Italy
Prior art keywords
devices
sound waves
omnidirectional irradiation
omnidirectional
irradiation
Prior art date
Application number
IT27274/77A
Other languages
English (en)
Inventor
Paolo Selmin
Original Assignee
Selmin Sas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Selmin Sas filed Critical Selmin Sas
Priority to IT27274/77A priority Critical patent/IT1086464B/it
Priority to FR7805953A priority patent/FR2402375A1/fr
Priority to DE19782837182 priority patent/DE2837182A1/de
Priority to GB7835604A priority patent/GB2007461B/en
Priority to JP10817778A priority patent/JPS5513592A/ja
Priority to US05/940,309 priority patent/US4322578A/en
Application granted granted Critical
Publication of IT1086464B publication Critical patent/IT1086464B/it

Links

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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
IT27274/77A 1977-09-06 1977-09-06 Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche IT1086464B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT27274/77A IT1086464B (it) 1977-09-06 1977-09-06 Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche
FR7805953A FR2402375A1 (fr) 1977-09-06 1978-03-02 Procede et dispositifs pour le rayonnement omnidirectionnel d'ondes acoustiques
DE19782837182 DE2837182A1 (de) 1977-09-06 1978-08-25 Verfahren und vorrichtung zur omnidirektionalen ausstrahlung von schallwellen
GB7835604A GB2007461B (en) 1977-09-06 1978-09-05 Method and devices for the omnidirectional radiation of sound waves
JP10817778A JPS5513592A (en) 1977-09-06 1978-09-05 Method of and device for radiating acoustic wave in all direction
US05/940,309 US4322578A (en) 1977-09-06 1978-09-06 Method and devices for the omnidirectional radiation of sound waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT27274/77A IT1086464B (it) 1977-09-06 1977-09-06 Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche

Publications (1)

Publication Number Publication Date
IT1086464B true IT1086464B (it) 1985-05-28

Family

ID=11221328

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27274/77A IT1086464B (it) 1977-09-06 1977-09-06 Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche

Country Status (6)

Country Link
US (1) US4322578A (it)
JP (1) JPS5513592A (it)
DE (1) DE2837182A1 (it)
FR (1) FR2402375A1 (it)
GB (1) GB2007461B (it)
IT (1) IT1086464B (it)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460061A (en) * 1982-08-30 1984-07-17 Pennwalt Corporation Apparatus for increasing directivity of a sound source
US4620317A (en) * 1984-04-05 1986-10-28 Shure Brothers, Inc. Tabletop speaker assembly
JPH0724439B2 (ja) * 1986-09-13 1995-03-15 シャープ株式会社 オ−デイオ装置
US5173942A (en) * 1986-09-13 1992-12-22 Sharp Kabushiki Kaisha Audio system operable in directional and non-directional modes
US4800983A (en) * 1987-01-13 1989-01-31 Geren David K Energized acoustic labyrinth
GB2212694A (en) * 1987-11-21 1989-07-26 Robert Alfred Webb Speaker
GB2213677A (en) * 1987-12-09 1989-08-16 Canon Kk Sound output system
FR2637147B1 (fr) * 1988-09-29 1990-12-28 Mutek Sarl Enceinte electro-acoustique omnidirectionnelle
GB8829125D0 (en) * 1988-12-14 1989-01-25 Oakley Brian W Improvements relating to sound reflection devices
JPH02237296A (ja) * 1989-03-10 1990-09-19 Canon Inc オーディオ出力装置
GB2230408A (en) * 1989-03-17 1990-10-17 Dimitris Lioupis Loudspeakers
AU8723991A (en) * 1990-10-17 1992-05-20 Canon Research Centre Europe Ltd Sound output device
GB2248996A (en) * 1990-10-17 1992-04-22 Canon Res Ct Europe Ltd Speaker assembly
US5268538A (en) * 1991-06-12 1993-12-07 Sonic Systems, Inc. Hemispherically wide-radiating-angle loudspeaker system
GB2256773A (en) * 1991-06-12 1992-12-16 Canon Res Ct Europe Ltd Loudspeaker uinit
US5689573A (en) * 1992-01-07 1997-11-18 Boston Acoustics, Inc. Frequency-dependent amplitude modification devices for acoustic sources
CN1247045C (zh) * 1997-10-10 2006-03-22 三星电子株式会社 万向扬声器系统
EP1142446B1 (en) * 1999-01-06 2003-07-23 Iroquois Holding Co. Inc. Speaker system
US6122386A (en) * 1999-04-26 2000-09-19 Music Industries Corp. Adjustable speaker system with reflector
RU2158491C1 (ru) * 1999-06-11 2000-10-27 Виноградов Алексей Владимирович Громкоговоритель
GB9914507D0 (en) * 1999-06-23 1999-08-25 New Transducers Ltd Acoustic device
US7433483B2 (en) 2001-02-09 2008-10-07 Thx Ltd. Narrow profile speaker configurations and systems
US20030048910A1 (en) * 2001-09-10 2003-03-13 Roy Kenneth P. Sound masking system
US6963650B2 (en) * 2002-09-09 2005-11-08 Multi Service Corporation Coaxial speaker with step-down ledge to eliminate sound wave distortions and time delay
JP3743436B2 (ja) * 2003-02-10 2006-02-08 株式会社村田製作所 スピーカシステム
JPWO2005015947A1 (ja) * 2003-08-12 2006-10-12 株式会社村田製作所 ディフューザ及びこれを用いたスピーカ
US20070093732A1 (en) * 2005-10-26 2007-04-26 David Venturi Vibroacoustic sound therapeutic system and method
GB2443228B (en) * 2006-10-25 2010-02-10 Gary Paul Nicholson Piezo-electric loudspeaker
EP2974356B1 (en) 2013-03-13 2020-05-06 THX Ltd Slim profile loudspeaker
US9883282B2 (en) * 2015-01-31 2018-01-30 Bose Corporation Acoustic deflector for omni-directional speaker system
US9544681B2 (en) * 2015-01-31 2017-01-10 Bose Corporation Acoustic deflector for omni-directional speaker system
US10397696B2 (en) 2015-01-31 2019-08-27 Bose Corporation Omni-directional speaker system and related devices and methods
US10469942B2 (en) 2015-09-28 2019-11-05 Samsung Electronics Co., Ltd. Three hundred and sixty degree horn for omnidirectional loudspeaker
US10034081B2 (en) * 2015-09-28 2018-07-24 Samsung Electronics Co., Ltd. Acoustic filter for omnidirectional loudspeaker
KR102352365B1 (ko) * 2015-11-17 2022-01-18 삼성전자주식회사 스피커 장치 및 그를 포함하는 전자 장치
US10306356B2 (en) 2017-03-31 2019-05-28 Bose Corporation Acoustic deflector as heat sink
USD872054S1 (en) 2017-08-04 2020-01-07 Bose Corporation Speaker
US10425739B2 (en) 2017-10-03 2019-09-24 Bose Corporation Acoustic deflector with convective cooling
CN110493686B (zh) * 2018-05-15 2021-03-30 群光电子股份有限公司 复合式喇叭模块与喇叭装置
KR102507425B1 (ko) * 2018-10-23 2023-03-09 현대자동차주식회사 차량용 스피커장치
US11277684B2 (en) 2019-01-17 2022-03-15 Onkyo Corporation Diffuser
JP7212264B2 (ja) * 2019-01-17 2023-01-25 オンキヨー株式会社 ディフューザー、および、これを備えるスピーカー、電子楽器
CA3153521C (en) 2019-09-19 2024-02-13 Shenzhen Shokz Co., Ltd. Acoustic output apparatus
CN114615601B (zh) * 2022-03-10 2024-04-16 锐捷网络股份有限公司 出声系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1943499A (en) * 1928-04-06 1934-01-16 Rca Corp Sound amplifier
GB479549A (en) * 1935-12-16 1938-02-08 Telefunken Gmbh Improvements in loud speaker arrangements for public address systems
US2805728A (en) * 1953-08-27 1957-09-10 Gen Dynamics Corp Sound dispersion device with internal divergent acoustical lens
GB857076A (en) * 1957-04-08 1960-12-29 Watts Ltd Cecil E Improvements in and relating to loudspeakers
GB1101723A (en) * 1964-01-31 1968-01-31 Nat Res Dev Improvements in or relating to correlation circuits
US3400217A (en) * 1965-02-08 1968-09-03 Oscar E. Kraut Method of and means for loudspeaker sound wave distribution
US3467218A (en) * 1966-12-09 1969-09-16 Victor Company Of Japan Device for diffusing sounds
HU163253B (it) * 1971-08-16 1973-07-28
US3980829A (en) * 1973-06-05 1976-09-14 Harold Norman Beveridge Wide angle cylindrical wave loudspeaker extending approximately from floor to ceiling height with a lens
US3909530A (en) * 1974-01-07 1975-09-30 Federal Sign And Signal Corp Loudspeaker with shallow re-entrant grille-like horn
US3912866A (en) * 1974-01-30 1975-10-14 Showsound Inc Folded bass horn speaker
US3964571A (en) * 1975-04-01 1976-06-22 Peter Garland Snell Acoustic system
US3985957A (en) * 1975-10-28 1976-10-12 Dukane Corporation Sound masking system for open plan office
US4200170A (en) * 1977-08-29 1980-04-29 Williams John H Jr Pyramid speaker assembly
US4189627A (en) * 1978-11-27 1980-02-19 Bell Telephone Laboratories, Incorporated Electroacoustic transducer filter assembly

Also Published As

Publication number Publication date
FR2402375A1 (fr) 1979-03-30
US4322578A (en) 1982-03-30
GB2007461A (en) 1979-05-16
JPS5513592A (en) 1980-01-30
DE2837182A1 (de) 1979-03-08
GB2007461B (en) 1982-01-27

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