BR112018069250A2 - tubo acústico, e, dispositivo de reprodução acústica - Google Patents
tubo acústico, e, dispositivo de reprodução acústicaInfo
- Publication number
- BR112018069250A2 BR112018069250A2 BR112018069250A BR112018069250A BR112018069250A2 BR 112018069250 A2 BR112018069250 A2 BR 112018069250A2 BR 112018069250 A BR112018069250 A BR 112018069250A BR 112018069250 A BR112018069250 A BR 112018069250A BR 112018069250 A2 BR112018069250 A2 BR 112018069250A2
- Authority
- BR
- Brazil
- Prior art keywords
- acoustic
- acoustic tube
- tube
- playback device
- reproduction device
- Prior art date
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
- H04R1/32—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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
-
- 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
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
- H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
a presente técnica refere-se a um tubo acústico e um dispositivo de reprodução acústica que podem gerar uma onda evanescente em um custo mais baixo. este tubo acústico inclui um trajeto acústico mais longo do que uma dimensão externa de dito tubo acústico e inclui adicionalmente uma pluralidade de aberturas ou uma abertura conformada em fenda. conforme uma onda sonora avança no tubo acústico, as ondas sonoras são transmitidas da pluralidade de aberturas ou a partir de uma pluralidade de posições da abertura conformada em fenda, e ditas ondas sonoras são combinadas para formar uma onda evanescente. a presente técnica pode ser aplicada em um tubo acústico, um dispositivo de reprodução acústica que inclui um tubo acústico e similares.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016072168 | 2016-03-31 | ||
PCT/JP2017/010867 WO2017169886A1 (ja) | 2016-03-31 | 2017-03-17 | 音響管および音響再生装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112018069250A2 true BR112018069250A2 (pt) | 2019-01-22 |
Family
ID=59964299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018069250A BR112018069250A2 (pt) | 2016-03-31 | 2017-03-17 | tubo acústico, e, dispositivo de reprodução acústica |
Country Status (6)
Country | Link |
---|---|
US (1) | US10559294B2 (pt) |
EP (1) | EP3439324A4 (pt) |
JP (1) | JP6988793B2 (pt) |
CN (1) | CN108781325A (pt) |
BR (1) | BR112018069250A2 (pt) |
WO (1) | WO2017169886A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018072198A1 (en) * | 2016-10-21 | 2018-04-26 | Harman International Industries, Incorporated | Acoustic component, acoustic apparatus and acoustic system |
EP3525481A1 (en) * | 2018-02-07 | 2019-08-14 | Panasonic Intellectual Property Corporation of America | Speaker system |
GB2588142B (en) | 2019-10-09 | 2023-05-31 | Gp Acoustics International Ltd | Acoustic waveguides |
JP7413327B2 (ja) | 2021-09-07 | 2024-01-15 | 株式会社東芝 | 音発生装置及び翼騒音低減装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2973671B2 (ja) * | 1992-01-07 | 1999-11-08 | 松下電器産業株式会社 | 超指向性マイクロホン |
DE19648986C1 (de) | 1996-11-26 | 1998-04-09 | Raida Hans Joachim | Gerichteter Stabstrahler |
ATE439011T1 (de) | 2002-10-10 | 2009-08-15 | Nokia Corp | Schallerzeugungsvorrichtung, mobile elektrische einrichtung und system zum erzeugen von schall |
US7735599B2 (en) | 2003-03-25 | 2010-06-15 | Toa Corporation | Sound wave guide structure for speaker system and horn speaker |
US7584820B2 (en) * | 2004-03-19 | 2009-09-08 | Bose Corporation | Acoustic radiating |
US8351629B2 (en) * | 2008-02-21 | 2013-01-08 | Robert Preston Parker | Waveguide electroacoustical transducing |
US8351630B2 (en) * | 2008-05-02 | 2013-01-08 | Bose Corporation | Passive directional acoustical radiating |
JP2009296153A (ja) * | 2008-06-03 | 2009-12-17 | Mitsubishi Electric Engineering Co Ltd | 指向性スピーカ |
JP2010068299A (ja) * | 2008-09-11 | 2010-03-25 | Yamaha Corp | イヤホン |
EP2604045B1 (en) * | 2010-08-12 | 2015-07-08 | Bose Corporation | Active and passive directional acoustic radiating |
US8553894B2 (en) | 2010-08-12 | 2013-10-08 | Bose Corporation | Active and passive directional acoustic radiating |
JP5342521B2 (ja) | 2010-08-23 | 2013-11-13 | 日本電信電話株式会社 | 局所再生方法、局所再生装置及びそのプログラム |
JP5506748B2 (ja) | 2011-07-19 | 2014-05-28 | 日本電信電話株式会社 | フィルタ係数決定装置と局所再生装置とそれらの方法とプログラム |
EP2552125B1 (en) * | 2011-07-26 | 2017-11-15 | Harman Becker Automotive Systems GmbH | Noise reducing sound-reproduction |
JP5705162B2 (ja) | 2012-05-08 | 2015-04-22 | 日本電信電話株式会社 | フィルタ係数決定装置、局所再生装置、フィルタ係数決定方法、及びプログラム |
-
2017
- 2017-03-17 US US16/087,227 patent/US10559294B2/en active Active
- 2017-03-17 CN CN201780018300.4A patent/CN108781325A/zh active Pending
- 2017-03-17 WO PCT/JP2017/010867 patent/WO2017169886A1/ja active Application Filing
- 2017-03-17 JP JP2018509036A patent/JP6988793B2/ja active Active
- 2017-03-17 BR BR112018069250A patent/BR112018069250A2/pt not_active Application Discontinuation
- 2017-03-17 EP EP17774427.3A patent/EP3439324A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP6988793B2 (ja) | 2022-01-05 |
WO2017169886A1 (ja) | 2017-10-05 |
US10559294B2 (en) | 2020-02-11 |
CN108781325A (zh) | 2018-11-09 |
EP3439324A4 (en) | 2019-10-30 |
US20190051284A1 (en) | 2019-02-14 |
EP3439324A1 (en) | 2019-02-06 |
JPWO2017169886A1 (ja) | 2019-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112018069250A2 (pt) | tubo acústico, e, dispositivo de reprodução acústica | |
BR112017008519A2 (pt) | "aparelho e método para gerar sinais de saída com base em um sinal-fonte de áudio, sistema de reprodução de som e sinal de alto-falante". | |
BR112018014090A2 (pt) | treinamento de formação de feixes que utiliza esquema de transmissão de várias entradas e várias saídas | |
MY174500A (en) | Audio apparatus and audio providing method thereof | |
ES2602060T3 (es) | Reducción de ruido en sistemas multi-micrófono | |
EP3531714A3 (en) | Facilitating calibration of an audio playback device | |
BR112018077408A2 (pt) | aparelho e método de formação do campo de som, e, programa. | |
EP3353772A4 (en) | Tactilated electronic music systems for sound generation | |
BR112018074032A2 (pt) | composições e métodos relacionados a construtos de fc manipulados | |
GB2543972A (en) | Systems and methods for equalizing audio for playback on an electronic device | |
BR112015029751A2 (pt) | método de cancelamento de ruído e dispositivo eletrônico do mesmo | |
UA113682C2 (xx) | Поліпшення звукового сигналу з використанням оцінювальних просторових параметрів | |
BR112018008960A2 (pt) | estrutura de relatório de formação de feixe | |
BR112016023716A2 (pt) | método de renderização de um sinal de áudio, aparelho para renderização de um sinal de áudio, e meio de gravação legível por computador | |
UY35804A (es) | Recubrimiento de alginato para tratamiento de semillas | |
BR112015026963A2 (pt) | codificação híbrida de áudio de múltiplos canais | |
IT201600131975A1 (it) | Sistema e metodo di riproduzione del suono di un’orchestra | |
MX2016012179A (es) | Composiciones acrílicas curadas en doble etapa y métodos relacionados. | |
WO2015119628A3 (en) | Mems-based audio speaker system using single sideband modulation | |
WO2016139055A3 (en) | Radiation system | |
EP4064271A4 (en) | INPUT DEVICE AND SOUND SIGNAL PRODUCTION DEVICE | |
MX2018010505A (es) | Montaje de pared acustica que tiene configuracion de doble pared y propiedades disruptivas de ruido pasivas y metodo para hacer el mismo. | |
CL2019002369A1 (es) | División de tabla de revoque. | |
MA49065A (fr) | Résines issues de sources renouvelables et structures fabriquées à partir desdites résines | |
DK3316249T3 (da) | Stemmeudstyr til en orgelpibe |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04R 1/34 , G10K 11/22 Ipc: H04R 1/34 (2006.01), H04R 3/04 (2006.01), H04R 1/2 |
|
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |