CS193079B2 - Direction electroaccoustic convertor - Google Patents

Direction electroaccoustic convertor

Info

Publication number
CS193079B2
CS193079B2 CS765537A CS553776A CS193079B2 CS 193079 B2 CS193079 B2 CS 193079B2 CS 765537 A CS765537 A CS 765537A CS 553776 A CS553776 A CS 553776A CS 193079 B2 CS193079 B2 CS 193079B2
Authority
CS
Czechoslovakia
Prior art keywords
electroaccoustic
convertor
electroaccoustic convertor
direction electroaccoustic
Prior art date
Application number
CS765537A
Other languages
Czech (cs)
English (en)
Inventor
Geza Balogh
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 CS193079B2 publication Critical patent/CS193079B2/cs

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements 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
    • H04R1/345Arrangements 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
    • H04R1/347Arrangements 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)
CS765537A 1975-10-22 1976-08-26 Direction electroaccoustic convertor CS193079B2 (en)

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
CS193079B2 true CS193079B2 (en) 1979-09-17

Family

ID=10995654

Family Applications (1)

Application Number Title Priority Date Filing Date
CS765537A CS193079B2 (en) 1975-10-22 1976-08-26 Direction electroaccoustic convertor

Country Status (10)

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

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 (de) * 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
US5081600A (en) * 1987-11-04 1992-01-14 Accurate, Inc. Loss-in-weight feeder system
GB2206262A (en) * 1987-08-07 1988-12-29 Samsung Electronics Co Ltd Loud speaker
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
MX2011009819A (es) * 2009-03-20 2012-01-20 Meyer Sound Lab Inc Altavoz con control direccional de baja frecuencia pasiva.
CN102843624B (zh) 2012-07-05 2016-08-24 李世煌 带有加载孔的音箱结构
WO2014059638A1 (en) 2012-10-18 2014-04-24 Nokia Corporation Resonance damping for audio transducer systems
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH272869A (de) * 1949-03-30 1951-01-15 Siemens Ag Einrichtung zur Schallwiedergabe.
FR1154792A (fr) * 1955-07-16 1958-04-16 Magneti Marelli Spa Ensemble acoustique à rayonnement unilatéral
NL7001421A (de) * 1970-01-31 1971-08-03
US3722616A (en) * 1970-12-14 1973-03-27 Ltv Altec Inc Directional loudspeaker system

Also Published As

Publication number Publication date
GB1528066A (en) 1978-10-11
FR2329129A1 (fr) 1977-05-20
HU171882B (hu) 1978-04-28
US4054748A (en) 1977-10-18
AT355645B (de) 1980-03-10
PL121306B1 (en) 1982-04-30
SU736894A3 (ru) 1980-05-25
ATA602076A (de) 1979-08-15
DD125503A5 (de) 1977-04-20
DE2636446A1 (de) 1977-04-28

Similar Documents

Publication Publication Date Title
JPS5247163A (en) Mechanical torque convertor
CS193079B2 (en) Direction electroaccoustic convertor
JPS527376A (en) Catalyst convertor
YU87876A (en) Anti - door - straining means
BG27526A4 (en) Herbicid antipoison
JPS5272242A (en) Wide angle eyeepiece
CS189785B2 (en) Rhodenticide means
JPS5255658A (en) Distance ditector
JPS5218525A (en) Convertor
JPS527377A (en) Catalyst convertor
AU1804476A (en) Phenylbenzofurans
AU1804276A (en) 3-phenylbenzofurans
GB1555019A (en) Bonnet-pivoting means
JPS5192852A (en) Boonseioyobi boshinseinosuguretaseikeiyososeibutsu
BG27530A3 (en) Incecticide means
AU1616876A (en) Cloches
JPS5182922A (en) h gatakochunosetsugohoho
JPS51103102A (en) Yakinyokookusuno seizoho
JPS5187434A (en) Kibanno kuriininguhoho
AU1715276A (en) Phenylsulfenylpiperazines
JPS5198237A (en) Kogakukatsusei aa fuenirugurishinensanenno seizoho
JPS5198111A (en) Tanborutonyoru h gatakochunosetsugoniokerusetsugobuno hogohoho
JPS5193098A (en) Kahenkotaiyoku b
AU8714275A (en) Waterscope
JPS5192214A (en) Sokoshino renzokuoritatamyofuoomaanoozuno seizoho