FR2572615B1 - Haut-parleur pneumatique a debit continu de fluide sous pression - Google Patents

Haut-parleur pneumatique a debit continu de fluide sous pression

Info

Publication number
FR2572615B1
FR2572615B1 FR8416480A FR8416480A FR2572615B1 FR 2572615 B1 FR2572615 B1 FR 2572615B1 FR 8416480 A FR8416480 A FR 8416480A FR 8416480 A FR8416480 A FR 8416480A FR 2572615 B1 FR2572615 B1 FR 2572615B1
Authority
FR
France
Prior art keywords
flow
continuous
speaker
pneumatic
pneumatic speaker
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.)
Expired
Application number
FR8416480A
Other languages
English (en)
Other versions
FR2572615A1 (fr
Inventor
Jean Julia
Ferdinand Pollet
Jean-Francois Foissey
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.)
Bertin Technologies SAS
Original Assignee
Bertin et Cie SA
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=9309065&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2572615(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bertin et Cie SA filed Critical Bertin et Cie SA
Priority to FR8416480A priority Critical patent/FR2572615B1/fr
Publication of FR2572615A1 publication Critical patent/FR2572615A1/fr
Application granted granted Critical
Publication of FR2572615B1 publication Critical patent/FR2572615B1/fr
Priority to US07/325,121 priority patent/US5054080A/en
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
    • H04R1/42—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)
FR8416480A 1984-10-29 1984-10-29 Haut-parleur pneumatique a debit continu de fluide sous pression Expired FR2572615B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8416480A FR2572615B1 (fr) 1984-10-29 1984-10-29 Haut-parleur pneumatique a debit continu de fluide sous pression
US07/325,121 US5054080A (en) 1984-10-29 1989-03-20 Pneumatic loudspeaker with a continuous pressurized fluid flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8416480A FR2572615B1 (fr) 1984-10-29 1984-10-29 Haut-parleur pneumatique a debit continu de fluide sous pression

Publications (2)

Publication Number Publication Date
FR2572615A1 FR2572615A1 (fr) 1986-05-02
FR2572615B1 true FR2572615B1 (fr) 1988-10-14

Family

ID=9309065

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8416480A Expired FR2572615B1 (fr) 1984-10-29 1984-10-29 Haut-parleur pneumatique a debit continu de fluide sous pression

Country Status (2)

Country Link
US (1) US5054080A (fr)
FR (1) FR2572615B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2637148B1 (fr) * 1988-09-29 1991-06-07 Bertin & Cie Equipage transducteur electrodynamique-fluidique pour haut-parleur pneumatique
US5386689A (en) * 1992-10-13 1995-02-07 Noises Off, Inc. Active gas turbine (jet) engine noise suppression
US5537481A (en) * 1994-04-05 1996-07-16 The Aws Group, Inc. Horn driver
FR2729781B1 (fr) * 1995-01-23 1997-04-18 Bertin & Cie Dispositif de controle actif du bruit
FR2807277B1 (fr) * 2000-04-04 2002-06-28 Bertin Technologies Sa Haut-parleur pneumatique
US6628568B1 (en) * 2002-03-19 2003-09-30 Bha Group Holdings, Inc. System and method for verification of acoustic horn performance
US20050079345A1 (en) * 2002-09-17 2005-04-14 Thomsen Susanne Dahl Polyolefin fibres and their use in the preparation of nonwovens with high bulk and resilience
CN112468943B (zh) * 2019-09-06 2022-04-29 瑞声科技(新加坡)有限公司 一种扬声器结构及应用该扬声器结构的电子设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1766612A (en) * 1927-12-10 1930-06-24 Gen Talking Pictures Corp Sound-reproducing device
US2010529A (en) * 1930-05-26 1935-08-06 Rca Corp Electro dynamic moving system
US1904156A (en) * 1931-08-06 1933-04-18 Bell Telephone Labor Inc Pneumatic sound reproducer
US2079694A (en) * 1935-01-17 1937-05-11 Bell Telephone Labor Inc Acoustic amplifier
US2838127A (en) * 1953-11-04 1958-06-10 Philips Corp Device for the transmission of sound from rooms having a high noise level
US2923782A (en) * 1955-05-31 1960-02-02 Nat Res Dev Loudspeakers
US3073916A (en) * 1958-11-24 1963-01-15 Muter Company Blast-proof water-proof loudspeaker
US3453616A (en) * 1966-12-23 1969-07-01 Wyle Laboratories Air modulated siren having concentric cylinders
FR1531690A (fr) * 1967-05-25 1968-07-05 Commissariat Energie Atomique Générateurs acoustiques
GB1423842A (en) * 1972-10-25 1976-02-04 Rank Organisation Ltd Transducers
US4225756A (en) * 1973-06-21 1980-09-30 Babbco, Ltd. Broad band dynamic loudspeaker
US3906171A (en) * 1974-01-02 1975-09-16 Rank Organisation Ltd Transducers
JPS5389728A (en) * 1977-01-19 1978-08-07 Sansui Electric Co Loudspeaker unit
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
SU964709A2 (ru) * 1980-03-26 1982-10-07 Предприятие П/Я Г-4736 Электропневматический преобразователь
US4498023A (en) * 1983-10-31 1985-02-05 Motorola, Inc. Voice coil linear motor with integral capacitor

Also Published As

Publication number Publication date
US5054080A (en) 1991-10-01
FR2572615A1 (fr) 1986-05-02

Similar Documents

Publication Publication Date Title
GB2162591B (en) Fluid pressure booster
GB2165652B (en) Absolute pressure transducer
GB2181808B (en) High pressure fluid swivel
GB8805169D0 (en) Fluid pressure regulator
ZA8646B (en) Hydraulic pressure amplifier
GB2142106B (en) High pressure flow line connection
GB2093700B (en) Eliminating gas bubbles in pressure transducing apparatus connected to the body
NZ213654A (en) Patterning fabrics with high pressure intermittently interrupted fluid stream
FR2551525B1 (fr) Regulateur de pression a ecoulement axial
FR2572615B1 (fr) Haut-parleur pneumatique a debit continu de fluide sous pression
GB8531753D0 (en) Controlling supercharge pressure
GB8611862D0 (en) Pressure microphones
GB8508251D0 (en) Controlling pressure & flow rate
FR2576363B1 (fr) Mecanisme a fluide sous pression a rotor
EP0187385A3 (en) High pressure transducer
GB2155181B (en) Fluid pressure sensors
GB2094402B (en) A pneumatic and hydraulic pressure supply unit
GB8723263D0 (en) Fluid pressure regulation
GB2254377B (en) Pressure balanced variable area nozzle
GB8503036D0 (en) Double-acting pressure transducer
GB8506698D0 (en) Adjustable fluid pressure actuator
GB8611854D0 (en) Fluid pressure control apparatus
EP0212473A3 (en) Heat pipe controlled by pressure
FR2582419B1 (fr) Reducteur de pression a correction d'encrassement
FR2515275B1 (fr) Servomoteur a fluide sous pression

Legal Events

Date Code Title Description
ST Notification of lapse