FR2329129A1 - Transducteur electroacoustique directionnel, notamment emetteur acoustique cardioide - Google Patents

Transducteur electroacoustique directionnel, notamment emetteur acoustique cardioide

Info

Publication number
FR2329129A1
FR2329129A1 FR7631792A FR7631792A FR2329129A1 FR 2329129 A1 FR2329129 A1 FR 2329129A1 FR 7631792 A FR7631792 A FR 7631792A FR 7631792 A FR7631792 A FR 7631792A FR 2329129 A1 FR2329129 A1 FR 2329129A1
Authority
FR
France
Prior art keywords
acoustic transducer
cardioid
directional
directional acoustic
transducer
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.)
Withdrawn
Application number
FR7631792A
Other languages
English (en)
Inventor
Geza Balogh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elektroakusztikai Gyar
Original Assignee
Elektroakusztikai Gyar
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 Elektroakusztikai Gyar filed Critical Elektroakusztikai Gyar
Publication of FR2329129A1 publication Critical patent/FR2329129A1/fr
Withdrawn legal-status Critical Current

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
    • H04R1/347—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 for obtaining a phase-shift between the front and back acoustic wave

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR7631792A 1975-10-22 1976-10-21 Transducteur electroacoustique directionnel, notamment emetteur acoustique cardioide Withdrawn FR2329129A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU75EE00002382A HU171882B (hu) 1975-10-22 1975-10-22 Napravlennyj ehlektroakusticheskij preobrazovatel', glavnym obrazom kardioidnyj zvukovoj izluchatel'

Publications (1)

Publication Number Publication Date
FR2329129A1 true FR2329129A1 (fr) 1977-05-20

Family

ID=10995654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631792A Withdrawn FR2329129A1 (fr) 1975-10-22 1976-10-21 Transducteur electroacoustique directionnel, notamment emetteur acoustique cardioide

Country Status (10)

Country Link
US (1) US4054748A (fr)
AT (1) AT355645B (fr)
CS (1) CS193079B2 (fr)
DD (1) DD125503A5 (fr)
DE (1) DE2636446A1 (fr)
FR (1) FR2329129A1 (fr)
GB (1) GB1528066A (fr)
HU (1) HU171882B (fr)
PL (1) PL121306B1 (fr)
SU (1) SU736894A3 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189627A (en) * 1978-11-27 1980-02-19 Bell Telephone Laboratories, Incorporated Electroacoustic transducer filter assembly
US4482026A (en) * 1982-12-02 1984-11-13 Stehlin Jr George D Loudspeaker enclosure
GB2133247B (en) * 1982-12-24 1987-10-28 Plessey Co Plc Transducers
JPS6163193A (ja) * 1984-09-04 1986-04-01 Nippon Chemicon Corp 電気音響変換器
GB8503389D0 (en) * 1985-02-09 1985-03-13 B & W Loudspeakers Loudspeaker enclosures
DE3542872A1 (de) * 1985-12-04 1986-08-07 Dietmar 3000 Hannover Schäfer Lautsprechergehaeuse mit gebogenen akustischen roehren
JPH0450718Y2 (fr) * 1986-02-28 1992-11-30
ATA74486A (de) * 1986-03-20 1987-04-15 Akg Akustische Kino Geraete Richtmikrophon nach dem elektrostatischen oder elektrodynamischen wandlerprinzip
US4872527A (en) * 1987-05-30 1989-10-10 Samsung Electronics Co., Ltd. Speaker system
US5081600A (en) * 1987-11-04 1992-01-14 Accurate, Inc. Loss-in-weight feeder system
JP2784830B2 (ja) * 1989-09-04 1998-08-06 ソニー株式会社 ヘッドフォン
US5253933A (en) * 1992-02-05 1993-10-19 Walker Daniel R Speaker stand
AT400911B (de) * 1993-03-04 1996-04-25 Koninkl Philips Electronics Nv Elektroakustischer wandler mit einer trennwand und einer maskenwand
US5917923A (en) * 1995-05-18 1999-06-29 Bose Corporation Satellitic compact electroacoustical transducing
GB2365250C (en) * 2000-07-21 2005-04-04 B & W Loudspeakers Acoustic structures
US6862360B2 (en) * 2001-04-19 2005-03-01 Jen-Hui Tsai Speaker system
EP2409499A4 (fr) * 2009-03-20 2016-06-01 Meyer Sound Lab Inc Haut-parleur avec contrôle directionnel passif à basses fréquences
CN102843624B (zh) 2012-07-05 2016-08-24 李世煌 带有加载孔的音箱结构
CN104956693B (zh) 2012-10-18 2018-08-03 诺基亚技术有限公司 用于音频换能器系统的谐振阻尼
NL2013741B1 (en) * 2014-11-04 2016-10-06 Dutch & Dutch B V Directional loudspeaker.
US10123111B2 (en) * 2016-06-03 2018-11-06 Fulcrum Acoustic, LLC Passive cardioid speaker
US10284945B2 (en) * 2016-11-30 2019-05-07 Eugene Julius Christensen Air motion transformer passive radiator for loudspeaker
US11102570B2 (en) 2019-06-11 2021-08-24 Bose Corporation Auto-configurable bass loudspeaker
US11153680B2 (en) 2020-02-13 2021-10-19 Bose Corporation Stackable loudspeakers
GB202112473D0 (en) 2021-09-01 2021-10-13 Pss Belgium Nv Loudspeaker

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1015739A (fr) * 1949-03-30 1952-10-20 Siemens Ag Dispositif de transmission acoustique au moyen de plusieurs haut-parleurs
FR1154792A (fr) * 1955-07-16 1958-04-16 Magneti Marelli Spa Ensemble acoustique à rayonnement unilatéral
FR2077430A1 (fr) * 1970-01-31 1971-10-22 Philips Nv

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3722616A (en) * 1970-12-14 1973-03-27 Ltv Altec Inc Directional loudspeaker system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1015739A (fr) * 1949-03-30 1952-10-20 Siemens Ag Dispositif de transmission acoustique au moyen de plusieurs haut-parleurs
FR1154792A (fr) * 1955-07-16 1958-04-16 Magneti Marelli Spa Ensemble acoustique à rayonnement unilatéral
FR2077430A1 (fr) * 1970-01-31 1971-10-22 Philips Nv

Also Published As

Publication number Publication date
GB1528066A (en) 1978-10-11
ATA602076A (de) 1979-08-15
HU171882B (hu) 1978-04-28
US4054748A (en) 1977-10-18
DD125503A5 (fr) 1977-04-20
DE2636446A1 (de) 1977-04-28
CS193079B2 (en) 1979-09-17
SU736894A3 (ru) 1980-05-25
AT355645B (de) 1980-03-10
PL121306B1 (en) 1982-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse