FR2239069A1 - - Google Patents

Info

Publication number
FR2239069A1
FR2239069A1 FR7425303A FR7425303A FR2239069A1 FR 2239069 A1 FR2239069 A1 FR 2239069A1 FR 7425303 A FR7425303 A FR 7425303A FR 7425303 A FR7425303 A FR 7425303A FR 2239069 A1 FR2239069 A1 FR 2239069A1
Authority
FR
France
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.)
Granted
Application number
FR7425303A
Other languages
French (fr)
Other versions
FR2239069B3 (xx
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.)
NECKERMANN VERSAND KGAA
Original Assignee
NECKERMANN VERSAND KGAA
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 NECKERMANN VERSAND KGAA filed Critical NECKERMANN VERSAND KGAA
Publication of FR2239069A1 publication Critical patent/FR2239069A1/fr
Application granted granted Critical
Publication of FR2239069B3 publication Critical patent/FR2239069B3/fr
Expired 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • H04R1/2861—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn
    • H04R1/2865—Enclosures comprising vibrating or resonating arrangements using a back-loaded horn for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
FR7425303A 1973-07-27 1974-07-22 Expired FR2239069B3 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2338298A DE2338298C2 (de) 1973-07-27 1973-07-27 Lautsprechergehäuse mit einem Exponentialtrichter und mindestens zwei Lautsprechern

Publications (2)

Publication Number Publication Date
FR2239069A1 true FR2239069A1 (xx) 1975-02-21
FR2239069B3 FR2239069B3 (xx) 1977-05-20

Family

ID=5888198

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425303A Expired FR2239069B3 (xx) 1973-07-27 1974-07-22

Country Status (8)

Country Link
US (1) US3898384A (xx)
JP (1) JPS5072621A (xx)
DE (1) DE2338298C2 (xx)
FR (1) FR2239069B3 (xx)
GB (1) GB1462919A (xx)
IT (1) IT1016712B (xx)
NL (1) NL7408011A (xx)
SE (1) SE7407531L (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213008A (en) * 1978-11-22 1980-07-15 Helffrich Edmund R Loudspeaker enclosure for mid-wall location
US4173266A (en) * 1978-11-24 1979-11-06 Pizer Robert S Loudspeaker enclosure
EP0217278A3 (de) * 1985-09-26 1989-01-04 Mario Curth Anordnung für Basslautsprecher mit einem Schalltrichter
US4733749A (en) * 1986-02-26 1988-03-29 Electro-Voice, Inc. High output loudspeaker for low frequency reproduction
US4923031A (en) * 1986-02-26 1990-05-08 Electro-Voice, Incorporated High output loudspeaker system
GB8928352D0 (en) * 1989-12-15 1990-02-21 Fox Andrew J Loudspeaker system
AU6176394A (en) * 1993-02-25 1994-09-14 Ralph D. Heinz Multiple-driver single horn loudspeaker
US5343535A (en) * 1993-05-07 1994-08-30 Marshall Ronald N Loudspeaker device
EP0999723B1 (en) 1998-11-05 2006-03-08 Matsushita Electric Industrial Co., Ltd. Piezoelectric speaker, method for producing the same, and speaker system including the same
US6411718B1 (en) 1999-04-28 2002-06-25 Sound Physics Labs, Inc. Sound reproduction employing unity summation aperture loudspeakers
DE60208245T2 (de) * 2001-01-22 2006-07-13 Matsushita Electric Industrial Co., Ltd., Kadoma Lautsprechersystem
US7392880B2 (en) * 2002-04-02 2008-07-01 Gibson Guitar Corp. Dual range horn with acoustic crossover
US7621369B2 (en) * 2006-06-16 2009-11-24 Graber Curtis E Acoustic energy projection system
SG170641A1 (en) * 2009-10-30 2011-05-30 Dream Infotainment Resources Pte Ltd Omnidirectional speaker
KR101515618B1 (ko) * 2014-03-20 2015-04-28 김태형 래티스 타입 스피커, 및 이를 구비한 래티스 어레이 스피커 시스템
GB2561341B (en) * 2017-03-30 2019-04-24 Darling Henry A modular loudspeaker system
US10405084B2 (en) * 2017-08-30 2019-09-03 Bose Corporation Loudspeaker with deflector at a port exit
CN113132580B (zh) * 2019-12-31 2023-06-09 杭州海康威视数字技术股份有限公司 摄像机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754926A (en) * 1954-11-26 1956-07-17 Asa M Stackhouse Corner horn
AT305403B (de) * 1970-08-18 1973-02-26 Neckermann Versand Kgaa Lautsprechergehäuse

Also Published As

Publication number Publication date
IT1016712B (it) 1977-06-20
GB1462919A (en) 1977-01-26
JPS5072621A (xx) 1975-06-16
SE7407531L (xx) 1975-01-28
DE2338298B1 (de) 1975-01-16
NL7408011A (nl) 1975-01-29
FR2239069B3 (xx) 1977-05-20
DE2338298C2 (de) 1975-09-11
US3898384A (en) 1975-08-05

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Legal Events

Date Code Title Description
ST Notification of lapse