SE447861B - Forfarande for att tillverka en akustisk apparat samt akustisk endstralande anordning - Google Patents

Forfarande for att tillverka en akustisk apparat samt akustisk endstralande anordning

Info

Publication number
SE447861B
SE447861B SE8203429A SE8203429A SE447861B SE 447861 B SE447861 B SE 447861B SE 8203429 A SE8203429 A SE 8203429A SE 8203429 A SE8203429 A SE 8203429A SE 447861 B SE447861 B SE 447861B
Authority
SE
Sweden
Prior art keywords
center line
acoustic
distance
characteristic
sound
Prior art date
Application number
SE8203429A
Other languages
English (en)
Swedish (sv)
Other versions
SE8203429L (sv
Inventor
Jr R L Wallace
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of SE8203429L publication Critical patent/SE8203429L/
Publication of SE447861B publication Critical patent/SE447861B/sv

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)
SE8203429A 1981-06-15 1982-06-03 Forfarande for att tillverka en akustisk apparat samt akustisk endstralande anordning SE447861B (sv)

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 (2)

Publication Number Publication Date
SE8203429L SE8203429L (sv) 1982-12-16
SE447861B true SE447861B (sv) 1986-12-15

Family

ID=23045183

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8203429A SE447861B (sv) 1981-06-15 1982-06-03 Forfarande for att tillverka en akustisk apparat samt akustisk endstralande anordning

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)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
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
WO1995026102A1 (en) * 1994-03-24 1995-09-28 Philips Electronics N.V. Audio-visual arrangement and system in which such an arrangement is used
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
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
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
KR102560990B1 (ko) * 2016-12-09 2023-08-01 삼성전자주식회사 지향성 스피커 및 이를 갖는 디스플레이 장치
KR20220041432A (ko) * 2020-09-25 2022-04-01 삼성전자주식회사 음향 신호를 이용한 거리 측정 시스템 및 방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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
FR823065A (fr) * 1936-06-18 1938-01-13 Electrical Res Prod Inc Perfectionnements aux dispositifs de traduction du son
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

Also Published As

Publication number Publication date
FR2507849A1 (fr) 1982-12-17
FR2507849B1 (fr) 1985-12-13
CA1177574A (en) 1984-11-06
GB2100551A (en) 1982-12-22
AT378888B (de) 1985-10-10
SE8203429L (sv) 1982-12-16
DE3222061A1 (de) 1983-01-05
JPS57212897A (en) 1982-12-27
US4421957A (en) 1983-12-20
GB2100551B (en) 1985-07-03
NL8202414A (nl) 1983-01-03
ATA229882A (de) 1985-02-15

Similar Documents

Publication Publication Date Title
SE447861B (sv) Forfarande for att tillverka en akustisk apparat samt akustisk endstralande anordning
US6983055B2 (en) Method and apparatus for an adaptive binaural beamforming system
US4311874A (en) Teleconference microphone arrays
US9973862B2 (en) Loudspeaker array system
US8224001B1 (en) Line array loudspeaker
EP1025744B1 (en) Hearing aid comprising an array of microphones
EP0791279B1 (en) Loudspeaker system with controlled directional sensitivity
EP1495463B1 (en) Active noise control system in unrestricted space
KR20010023076A (ko) 음향 신호를 전자적으로 비임 형성하는 방법 및 음향 센서장치
US20020114482A1 (en) Axially propagating mid and high frequency loudspeaker systems
EP1865510A2 (en) An audio recording system
Poole et al. An experimental study of Swinbanks' method of active attenuation of sound in ducts
KR20010021877A (ko) 음향 신호 충돌의 공간각 및 보청기로부터의 출력 신호의의존성을 전기적으로 선택하는 방법
US10805739B2 (en) Non-occluding feedback-resistant hearing device
US6621909B1 (en) Horn loudspeaker and loudspeaker systems
JP2021040312A (ja) 相補的に音響出力するシステム及び方法
US20060251272A1 (en) Loudspeaker crossover filter
US8351616B1 (en) Array of multiple LF transducers with ultrahigh cardioid sound pattern generation
JP2006217649A (ja) 信号処理装置
JP2006191285A (ja) アレイスピーカシステムおよびそのオーディオ信号処理装置
Zurek et al. Sensitivity to design parameters in an adaptive-beamforming hearing aid
CN102761806A (zh) 宽频段强指向性话筒阵列
US3424269A (en) Multipath focusing signal processor
JP2010152107A (ja) 目的音抽出装置及び目的音抽出プログラム
US2814677A (en) Directional microphone

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8203429-9

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8203429-9

Format of ref document f/p: F