FR1083676A - Dispositif électro-acoustique - Google Patents

Dispositif électro-acoustique

Info

Publication number
FR1083676A
FR1083676A FR1083676DA FR1083676A FR 1083676 A FR1083676 A FR 1083676A FR 1083676D A FR1083676D A FR 1083676DA FR 1083676 A FR1083676 A FR 1083676A
Authority
FR
France
Prior art keywords
electro
acoustic device
acoustic
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
Other languages
English (en)
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.)
American Danish Oticon AS
Original Assignee
American Danish Oticon AS
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 American Danish Oticon AS filed Critical American Danish Oticon AS
Application granted granted Critical
Publication of FR1083676A publication Critical patent/FR1083676A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/06—Telephone receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/04—Electric hearing aids comprising pocket amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR1083676D 1952-07-03 1953-07-01 Dispositif électro-acoustique Expired FR1083676A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK746773X 1952-07-03

Publications (1)

Publication Number Publication Date
FR1083676A true FR1083676A (fr) 1955-01-11

Family

ID=8152603

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1083676D Expired FR1083676A (fr) 1952-07-03 1953-07-01 Dispositif électro-acoustique

Country Status (3)

Country Link
US (1) US2794862A (fr)
FR (1) FR1083676A (fr)
GB (1) GB746773A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958739A (en) * 1954-08-13 1960-11-01 Schalltechnik Dr Ing K Schoeps Electroacoustic transducer
BE562437A (fr) * 1956-12-27
US3113186A (en) * 1962-02-06 1963-12-03 Walter E Heller & Company Telephone device
GB1067273A (en) * 1962-10-15 1967-05-03 Matsushita Electric Industrial Co Ltd Electroacoustic transducers
US4160132A (en) * 1978-06-20 1979-07-03 Lectron Products, Inc. Electromagnetic acoustic transducer with its air gap established at assembly by counteracting springs
GB2207833B (en) * 1987-08-05 1990-10-31 Advanced Acoustics Limited Microphone assembly
NL1004669C2 (nl) * 1996-12-02 1998-06-03 Microtronic Nederland Bv Transducer.
NL1004877C2 (nl) * 1996-12-23 1998-08-03 Microtronic Nederland Bv Elektroakoestische transducent.
KR100343303B1 (ko) * 1998-11-04 2002-07-15 모리시타 요이찌 전자형 전기 음향 변환기
NL1011733C1 (nl) * 1999-04-06 2000-10-09 Microtronic Nederland Bv Elektroakoestische transducent met een membraan en werkwijze voor het bevestigen van een membraan in een dergelijke transducent.
US7706561B2 (en) * 1999-04-06 2010-04-27 Sonion Nederland B.V. Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
US7065224B2 (en) * 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
EP2589053A4 (fr) * 2010-06-30 2017-12-13 Litens Automotive Partnership Dispositif électromécanique et procédé d'assemblage associé

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1941476A (en) * 1930-06-27 1934-01-02 Jensen Radio Mfg Company Method of making sound reproducers
US2046515A (en) * 1930-06-27 1936-07-07 Jensen Radio Mfg Company Sound reproducer
US1941477A (en) * 1931-07-25 1934-01-02 Jensen Radio Mfg Company Method of making magnetic sound reproducers
US1886816A (en) * 1931-07-25 1932-11-08 Jensen Radio Mfg Co Magnetic sound reproducer
US2020211A (en) * 1934-10-29 1935-11-05 James P Quam Loud speaker
US2020212A (en) * 1935-09-06 1935-11-05 James P Quam Method of making dynamic speakers

Also Published As

Publication number Publication date
US2794862A (en) 1957-06-04
GB746773A (en) 1956-03-21

Similar Documents

Publication Publication Date Title
FR1083676A (fr) Dispositif électro-acoustique
CH316277A (fr) Dispositif thérapeutique
FR1064526A (fr) Dispositif injecteur
FR1054337A (fr) Dispositif de bobinage croisé
FR1073843A (fr) Dispositif de poussée
FR1088138A (fr) Dispositif séparateur
FR1052406A (fr) Dispositif publicitaire
CH328618A (fr) Dispositif magnéto-optique
AT175724B (de) Sävorrichtung
FR1074805A (fr) Dispositif de levage
FR1057191A (fr) Dispositif simili-noeud de cravate
FR1071828A (fr) Dispositif de débitage
FR1086971A (fr) Dispositif identificateur
AT178704B (de) Serviergerät
FR1064044A (fr) Dispositif de contact
FR1071170A (fr) Dispositif injecteur-mélangeur
FR62638E (fr) Dispositif chromo-sélecteur
FR1070823A (fr) Dispositif de serrage
FR1053637A (fr) Dispositif dessiccateur
FR1055695A (fr) Dispositif doseur
FR1057314A (fr) Dispositif doseur
FR1050800A (fr) Dispositif doseur
FR62981E (fr) Dispositif doseur
FR1059462A (fr) Dispositif de gravillonnage
FR1067389A (fr) Dispositif de passementerie