ATE91371T1 - Elektrodynamisch-fluidische wandlerausruestung fuer einen pneumatischen lautsprecher. - Google Patents

Elektrodynamisch-fluidische wandlerausruestung fuer einen pneumatischen lautsprecher.

Info

Publication number
ATE91371T1
ATE91371T1 AT89402667T AT89402667T ATE91371T1 AT E91371 T1 ATE91371 T1 AT E91371T1 AT 89402667 T AT89402667 T AT 89402667T AT 89402667 T AT89402667 T AT 89402667T AT E91371 T1 ATE91371 T1 AT E91371T1
Authority
AT
Austria
Prior art keywords
pct
support
electrodynamic
magnitude
sec
Prior art date
Application number
AT89402667T
Other languages
English (en)
Inventor
Ferdinand Pollet
Jean Julia
Original Assignee
Bertin & Cie
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9370526&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE91371(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bertin & Cie filed Critical Bertin & Cie
Application granted granted Critical
Publication of ATE91371T1 publication Critical patent/ATE91371T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/42—Combinations of transducers with fluid-pressure or other non-electrical amplifying means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating Pumps (AREA)
AT89402667T 1988-09-29 1989-09-28 Elektrodynamisch-fluidische wandlerausruestung fuer einen pneumatischen lautsprecher. ATE91371T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8812734A FR2637148B1 (fr) 1988-09-29 1988-09-29 Equipage transducteur electrodynamique-fluidique pour haut-parleur pneumatique
EP89402667A EP0362068B1 (de) 1988-09-29 1989-09-28 Elektrodynamisch-fluidische Wandlerausrüstung für einen pneumatischen Lautsprecher

Publications (1)

Publication Number Publication Date
ATE91371T1 true ATE91371T1 (de) 1993-07-15

Family

ID=9370526

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89402667T ATE91371T1 (de) 1988-09-29 1989-09-28 Elektrodynamisch-fluidische wandlerausruestung fuer einen pneumatischen lautsprecher.

Country Status (9)

Country Link
US (1) US5179595A (de)
EP (1) EP0362068B1 (de)
JP (1) JPH04500893A (de)
KR (1) KR900702745A (de)
AT (1) ATE91371T1 (de)
DE (1) DE68907460T2 (de)
ES (1) ES2044176T3 (de)
FR (1) FR2637148B1 (de)
WO (1) WO1990003708A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2697396A1 (fr) * 1992-10-28 1994-04-29 Bernard Francis Enceinte acoustique au son omnidirectionnel et au son soufflé par air.
US9571935B2 (en) * 2015-01-26 2017-02-14 Harman International Industries, Inc. Loudspeaker with ducts for transducer voice coil cooling
US10631093B2 (en) * 2015-01-26 2020-04-21 Harman International Industries, Incorporated Vented loudspeaker system with duct for cooling of internal components

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073916A (en) * 1958-11-24 1963-01-15 Muter Company Blast-proof water-proof loudspeaker
US3674945A (en) * 1970-03-11 1972-07-04 Raytheon Co Acoustic impedance matching system
US4055233A (en) * 1975-12-22 1977-10-25 Electronic Engineering Co. Of California Ear coupler
FR2442565A1 (fr) * 1978-11-24 1980-06-20 Bertin & Cie Procede d'amplification acoustique fluide et haut parleur pneumatique de mise en oeuvre de ce procede
FR2572615B1 (fr) * 1984-10-29 1988-10-14 Bertin & Cie Haut-parleur pneumatique a debit continu de fluide sous pression
US4696045A (en) * 1985-06-04 1987-09-22 Acr Electronics Ear microphone

Also Published As

Publication number Publication date
FR2637148B1 (fr) 1991-06-07
DE68907460T2 (de) 1994-03-03
KR900702745A (ko) 1990-12-08
DE68907460D1 (de) 1993-08-12
WO1990003708A1 (fr) 1990-04-05
ES2044176T3 (es) 1994-01-01
EP0362068A1 (de) 1990-04-04
US5179595A (en) 1993-01-12
FR2637148A1 (fr) 1990-03-30
JPH04500893A (ja) 1992-02-13
EP0362068B1 (de) 1993-07-07

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee