FR2638930B1 - Transducteur electroacoustique - Google Patents

Transducteur electroacoustique

Info

Publication number
FR2638930B1
FR2638930B1 FR8814696A FR8814696A FR2638930B1 FR 2638930 B1 FR2638930 B1 FR 2638930B1 FR 8814696 A FR8814696 A FR 8814696A FR 8814696 A FR8814696 A FR 8814696A FR 2638930 B1 FR2638930 B1 FR 2638930B1
Authority
FR
France
Prior art keywords
ions
electroacoustic transducer
flux
created
brought
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 - Fee Related
Application number
FR8814696A
Other languages
English (en)
Other versions
FR2638930A1 (fr
Inventor
Jean-Claude Fourriere
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.)
LANGUEDOC ACIERIES HAUT
Original Assignee
LANGUEDOC ACIERIES HAUT
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 LANGUEDOC ACIERIES HAUT filed Critical LANGUEDOC ACIERIES HAUT
Priority to FR8814696A priority Critical patent/FR2638930B1/fr
Priority to EP89402966A priority patent/EP0370846B1/fr
Priority to AT89402966T priority patent/ATE92701T1/de
Priority to DE8989402966T priority patent/DE68908100D1/de
Priority to JP1285083A priority patent/JPH02174398A/ja
Priority to AU44316/89A priority patent/AU621948B2/en
Priority to CA002002803A priority patent/CA2002803A1/fr
Publication of FR2638930A1 publication Critical patent/FR2638930A1/fr
Application granted granted Critical
Publication of FR2638930B1 publication Critical patent/FR2638930B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
FR8814696A 1988-11-10 1988-11-10 Transducteur electroacoustique Expired - Fee Related FR2638930B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8814696A FR2638930B1 (fr) 1988-11-10 1988-11-10 Transducteur electroacoustique
AT89402966T ATE92701T1 (de) 1988-11-10 1989-10-26 Elektroakustischer wandler.
DE8989402966T DE68908100D1 (de) 1988-11-10 1989-10-26 Elektroakustischer wandler.
EP89402966A EP0370846B1 (fr) 1988-11-10 1989-10-26 Transducteur électroacoustique
JP1285083A JPH02174398A (ja) 1988-11-10 1989-11-02 電子―音響トランスジューサ
AU44316/89A AU621948B2 (en) 1988-11-10 1989-11-02 Electro-acoustic transducer
CA002002803A CA2002803A1 (fr) 1988-11-10 1989-11-10 Transducteur lectroacoustique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8814696A FR2638930B1 (fr) 1988-11-10 1988-11-10 Transducteur electroacoustique

Publications (2)

Publication Number Publication Date
FR2638930A1 FR2638930A1 (fr) 1990-05-11
FR2638930B1 true FR2638930B1 (fr) 1991-05-31

Family

ID=9371768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8814696A Expired - Fee Related FR2638930B1 (fr) 1988-11-10 1988-11-10 Transducteur electroacoustique

Country Status (7)

Country Link
EP (1) EP0370846B1 (fr)
JP (1) JPH02174398A (fr)
AT (1) ATE92701T1 (fr)
AU (1) AU621948B2 (fr)
CA (1) CA2002803A1 (fr)
DE (1) DE68908100D1 (fr)
FR (1) FR2638930B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685156A1 (fr) * 1991-12-16 1993-06-18 Languedoc Acieries Haut Transducteur electroacoustique, et enceinte acoustique comportant au moins un tel transducteur.
GB2312590B (en) * 1996-04-26 2000-05-17 Keith Duncan Howard Loudspeaker
FR2782595B1 (fr) * 1998-08-18 2001-04-20 Marc Charbonneaux Amplificateur harmonique transducteur electroacoustique
WO2012002924A1 (fr) * 2010-06-30 2012-01-05 Chijov Maksim Viktorovich Procédé de génération d'ondes acoustiques et dispositif de mise en œuvre
CN110430515B (zh) * 2019-08-23 2021-03-23 苏州锐丰建声灯光音响器材工程安装有限公司 改良型等离子扬声器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2793324A (en) * 1956-08-28 1957-05-21 Michael N Halus Ionic triode speaker
US3022385A (en) * 1958-08-25 1962-02-20 Takis N Panay Sound producer
FR1427695A (fr) * 1963-09-25 1966-02-11 Electrokinetics Inc Appareil sonore électrohydrodynamique
FR2246151A1 (en) * 1973-08-24 1975-04-25 Doucet Henri Guide-band plasma-type loudspeaker - modulates gas ionised by radioactive surface with audio-frequencies to radiate sound
FR2506551A1 (fr) * 1981-05-21 1982-11-26 Bondar Henri Procede et dispositif pour transformer une tension electrique periodique bf en ondes acoustiques ou inversement
FR2559636A1 (fr) * 1984-02-15 1985-08-16 Valois Distribution Transducteur electro-acoustique a emission d'ions
FR2581497B1 (fr) * 1985-05-02 1987-10-09 Valois Distribution Transducteur electro-acoustique a emission d'ions

Also Published As

Publication number Publication date
AU621948B2 (en) 1992-03-26
ATE92701T1 (de) 1993-08-15
CA2002803A1 (fr) 1990-05-10
FR2638930A1 (fr) 1990-05-11
EP0370846B1 (fr) 1993-08-04
AU4431689A (en) 1990-05-17
DE68908100D1 (de) 1993-09-09
EP0370846A1 (fr) 1990-05-30
JPH02174398A (ja) 1990-07-05

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Legal Events

Date Code Title Description
ST Notification of lapse