JPS57212897A - Acoustic device - Google Patents
Acoustic deviceInfo
- Publication number
- JPS57212897A JPS57212897A JP57101520A JP10152082A JPS57212897A JP S57212897 A JPS57212897 A JP S57212897A JP 57101520 A JP57101520 A JP 57101520A JP 10152082 A JP10152082 A JP 10152082A JP S57212897 A JPS57212897 A JP S57212897A
- Authority
- JP
- Japan
- Prior art keywords
- acoustic device
- acoustic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/273,734 US4421957A (en) | 1981-06-15 | 1981-06-15 | End-fire microphone and loudspeaker structures |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57212897A true JPS57212897A (en) | 1982-12-27 |
Family
ID=23045183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57101520A Pending JPS57212897A (en) | 1981-06-15 | 1982-06-15 | Acoustic device |
Country Status (9)
Country | Link |
---|---|
US (1) | US4421957A (ja) |
JP (1) | JPS57212897A (ja) |
AT (1) | AT378888B (ja) |
CA (1) | CA1177574A (ja) |
DE (1) | DE3222061A1 (ja) |
FR (1) | FR2507849B1 (ja) |
GB (1) | GB2100551B (ja) |
NL (1) | NL8202414A (ja) |
SE (1) | SE447861B (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996025018A1 (fr) * | 1995-02-10 | 1996-08-15 | Sony Corporation | Dispositif a microphones |
CN1089540C (zh) * | 1995-02-10 | 2002-08-21 | 索尼公司 | 传声装置 |
JP2020501453A (ja) * | 2016-12-09 | 2020-01-16 | サムスン エレクトロニクス カンパニー リミテッド | 指向性スピーカーおよびこれを有するディスプレイ装置 |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5939198A (ja) * | 1982-08-27 | 1984-03-03 | Victor Co Of Japan Ltd | マイクロホン装置 |
US4747132A (en) * | 1984-04-09 | 1988-05-24 | Matsushita Electric Industrial Co., Ltd. | Howling canceller |
US4800983A (en) * | 1987-01-13 | 1989-01-31 | Geren David K | Energized acoustic labyrinth |
US4862507A (en) * | 1987-01-16 | 1989-08-29 | Shure Brothers, Inc. | Microphone acoustical polar pattern converter |
US4811309A (en) * | 1987-09-04 | 1989-03-07 | Nelson Industries Inc. | Microphone probe for acoustic measurement in turbulent flow |
US5137110A (en) * | 1990-08-30 | 1992-08-11 | University Of Colorado Foundation, Inc. | Highly directional sound projector and receiver apparatus |
US5689573A (en) * | 1992-01-07 | 1997-11-18 | Boston Acoustics, Inc. | Frequency-dependent amplitude modification devices for acoustic sources |
EP0589515B1 (en) * | 1992-09-23 | 1999-01-27 | Koninklijke Philips Electronics N.V. | Loudspeaker system comprising a plurality of tubes |
US5657393A (en) * | 1993-07-30 | 1997-08-12 | Crow; Robert P. | Beamed linear array microphone system |
JP3795915B2 (ja) * | 1994-03-24 | 2006-07-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 音声−映像装置及びこのような装置が用いられたシステム |
US5552569A (en) * | 1995-03-08 | 1996-09-03 | Sapkowski; Mechislao | Exponential multi-ported acoustic enclosure |
FR2742960B1 (fr) * | 1995-12-22 | 1998-02-20 | Mahieux Yannick | Antenne acoustique pour station de travail informatique |
DE19703311A1 (de) * | 1997-01-30 | 1998-08-06 | Sennheiser Electronic | Grenzflächenmikrofon |
US6788791B2 (en) * | 2002-08-09 | 2004-09-07 | Shure Incorporated | Delay network microphones with harmonic nesting |
US7526094B2 (en) * | 2003-03-25 | 2009-04-28 | Robert Hickling | Normalization and calibration of microphones in sound-intensity probes |
GB0410962D0 (en) * | 2004-05-17 | 2004-06-16 | Mordaunt Short Ltd | Loudspeaker |
JP4532305B2 (ja) * | 2005-02-18 | 2010-08-25 | 株式会社オーディオテクニカ | 狭指向性マイクロホン |
US7646876B2 (en) * | 2005-03-30 | 2010-01-12 | Polycom, Inc. | System and method for stereo operation of microphones for video conferencing system |
US8130977B2 (en) * | 2005-12-27 | 2012-03-06 | Polycom, Inc. | Cluster of first-order microphones and method of operation for stereo input of videoconferencing system |
JP4867379B2 (ja) * | 2006-02-09 | 2012-02-01 | ソニー株式会社 | スピーカ装置 |
US8615097B2 (en) | 2008-02-21 | 2013-12-24 | Bose Corportion | Waveguide electroacoustical transducing |
US8009838B2 (en) * | 2008-02-22 | 2011-08-30 | National Taiwan University | Electrostatic loudspeaker array |
US8320580B2 (en) * | 2008-03-07 | 2012-11-27 | Disney Enterprises, Inc. | System and method for directional sound transmission with a linear array of exponentially spaced loudspeakers |
US8351630B2 (en) * | 2008-05-02 | 2013-01-08 | Bose Corporation | Passive directional acoustical radiating |
US8553894B2 (en) | 2010-08-12 | 2013-10-08 | Bose Corporation | Active and passive directional acoustic radiating |
USD766211S1 (en) * | 2014-12-31 | 2016-09-13 | Samsung Electronics Co., Ltd. | Speaker |
GB2535790A (en) * | 2015-02-27 | 2016-08-31 | Pss Belgium Nv | Speaker unit |
US10057701B2 (en) | 2015-03-31 | 2018-08-21 | Bose Corporation | Method of manufacturing a loudspeaker |
US9451355B1 (en) | 2015-03-31 | 2016-09-20 | Bose Corporation | Directional acoustic device |
KR20220041432A (ko) * | 2020-09-25 | 2022-04-01 | 삼성전자주식회사 | 음향 신호를 이용한 거리 측정 시스템 및 방법 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1876466A (en) * | 1932-09-06 | Assichx | ||
US1475769A (en) * | 1922-08-14 | 1923-11-27 | Meyer Eugene | Resonance horn |
US1795874A (en) * | 1927-09-22 | 1931-03-10 | Bell Telephone Labor Inc | Impedance element |
US1847283A (en) * | 1929-02-18 | 1932-03-01 | Murray T Quigg | Sound resonating device |
US1847284A (en) * | 1929-11-02 | 1932-03-01 | Murray T Quigg | Resonating, modulating, and projecting of sound animated by electrical means |
US1825166A (en) * | 1930-01-03 | 1931-09-29 | Sullivan Joseph Patrick | Sound amplifier |
GB479328A (en) * | 1936-06-18 | 1938-02-03 | Electrical Res Prod Inc | Improvements in or relating to sound translating devices |
US2228886A (en) * | 1938-10-31 | 1941-01-14 | Rca Corp | Electroacoustical apparatus |
FR883707A (fr) * | 1941-07-02 | 1943-07-13 | Klangfilm Gmbh | Appareils sonores à effet directeur |
DE867969C (de) * | 1941-07-03 | 1953-02-23 | Klangfilm Gmbh | Schallgeraete mit Richtwirkung |
DE1094803B (de) * | 1959-01-16 | 1960-12-15 | Sennheiser Electronic | Rohrfoermiges Richtelement |
AT284927B (de) * | 1969-03-04 | 1970-10-12 | Eumig | Rohrrichtmikrophon |
NL7001421A (ja) * | 1970-01-31 | 1971-08-03 | ||
FR2459599A1 (fr) * | 1979-06-14 | 1981-01-09 | Lagarrigue Jacques | Enceinte acoustique de salon a tuyaux |
-
1981
- 1981-06-15 US US06/273,734 patent/US4421957A/en not_active Expired - Lifetime
-
1982
- 1982-06-02 CA CA000404315A patent/CA1177574A/en not_active Expired
- 1982-06-03 SE SE8203429A patent/SE447861B/sv not_active IP Right Cessation
- 1982-06-08 GB GB8216626A patent/GB2100551B/en not_active Expired
- 1982-06-11 FR FR8210218A patent/FR2507849B1/fr not_active Expired
- 1982-06-11 DE DE19823222061 patent/DE3222061A1/de not_active Ceased
- 1982-06-14 AT AT0229882A patent/AT378888B/de not_active IP Right Cessation
- 1982-06-14 NL NL8202414A patent/NL8202414A/nl not_active Application Discontinuation
- 1982-06-15 JP JP57101520A patent/JPS57212897A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996025018A1 (fr) * | 1995-02-10 | 1996-08-15 | Sony Corporation | Dispositif a microphones |
CN1089540C (zh) * | 1995-02-10 | 2002-08-21 | 索尼公司 | 传声装置 |
JP2020501453A (ja) * | 2016-12-09 | 2020-01-16 | サムスン エレクトロニクス カンパニー リミテッド | 指向性スピーカーおよびこれを有するディスプレイ装置 |
Also Published As
Publication number | Publication date |
---|---|
AT378888B (de) | 1985-10-10 |
ATA229882A (de) | 1985-02-15 |
NL8202414A (nl) | 1983-01-03 |
FR2507849A1 (fr) | 1982-12-17 |
US4421957A (en) | 1983-12-20 |
FR2507849B1 (fr) | 1985-12-13 |
GB2100551A (en) | 1982-12-22 |
DE3222061A1 (de) | 1983-01-05 |
SE447861B (sv) | 1986-12-15 |
CA1177574A (en) | 1984-11-06 |
SE8203429L (sv) | 1982-12-16 |
GB2100551B (en) | 1985-07-03 |
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