FR2822012B1 - Appareil electrique a transducteur electro-acoustique - Google Patents

Appareil electrique a transducteur electro-acoustique

Info

Publication number
FR2822012B1
FR2822012B1 FR0103264A FR0103264A FR2822012B1 FR 2822012 B1 FR2822012 B1 FR 2822012B1 FR 0103264 A FR0103264 A FR 0103264A FR 0103264 A FR0103264 A FR 0103264A FR 2822012 B1 FR2822012 B1 FR 2822012B1
Authority
FR
France
Prior art keywords
acoustic transducer
transducer apparatus
electrical acoustic
electrical
transducer
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
FR0103264A
Other languages
English (en)
Other versions
FR2822012A1 (fr
Inventor
Lionel Cimaz
Laurent Steenackers
Christian Bernard Gautier
Philippe Organo
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.)
Mitsubishi Electric Telecom Europe SA
Original Assignee
Mitsubishi Electric Telecom Europe 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
Application filed by Mitsubishi Electric Telecom Europe SA filed Critical Mitsubishi Electric Telecom Europe SA
Priority to FR0103264A priority Critical patent/FR2822012B1/fr
Priority to EP02290554A priority patent/EP1244331A1/fr
Priority to US10/091,404 priority patent/US6668063B2/en
Priority to JP2002063909A priority patent/JP2002359893A/ja
Priority to CN02108493.9A priority patent/CN1376009A/zh
Publication of FR2822012A1 publication Critical patent/FR2822012A1/fr
Application granted granted Critical
Publication of FR2822012B1 publication Critical patent/FR2822012B1/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
    • 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 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR0103264A 2001-03-09 2001-03-09 Appareil electrique a transducteur electro-acoustique Expired - Fee Related FR2822012B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0103264A FR2822012B1 (fr) 2001-03-09 2001-03-09 Appareil electrique a transducteur electro-acoustique
EP02290554A EP1244331A1 (fr) 2001-03-09 2002-03-06 Appareil électrique avec transducteur électro-acoustique
US10/091,404 US6668063B2 (en) 2001-03-09 2002-03-07 Electrical apparatus with electro-acoustic transducer
JP2002063909A JP2002359893A (ja) 2001-03-09 2002-03-08 電気装置
CN02108493.9A CN1376009A (zh) 2001-03-09 2002-03-08 具有电声换能器的电器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0103264A FR2822012B1 (fr) 2001-03-09 2001-03-09 Appareil electrique a transducteur electro-acoustique

Publications (2)

Publication Number Publication Date
FR2822012A1 FR2822012A1 (fr) 2002-09-13
FR2822012B1 true FR2822012B1 (fr) 2003-06-20

Family

ID=8860954

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0103264A Expired - Fee Related FR2822012B1 (fr) 2001-03-09 2001-03-09 Appareil electrique a transducteur electro-acoustique

Country Status (5)

Country Link
US (1) US6668063B2 (fr)
EP (1) EP1244331A1 (fr)
JP (1) JP2002359893A (fr)
CN (1) CN1376009A (fr)
FR (1) FR2822012B1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0213732D0 (en) * 2002-06-14 2002-07-24 Mitel Knowledge Corp Audio earpiece for wideband telephone handsets
US7483543B2 (en) * 2003-01-06 2009-01-27 Motorola, Inc. Stereo imaging manifold and method for use in a portable electronic device
US7505602B2 (en) * 2003-02-28 2009-03-17 Sony Ericsson Mobile Communications Ab Mobile device with improved acoustic porting
US7260364B2 (en) * 2003-05-30 2007-08-21 Sony Ericsson Mobile Communications Ab Reverse mounted micro-speaker assemblies and mobile terminals including the same
EP1564970B1 (fr) * 2004-02-12 2008-01-23 Sony Ericsson Mobile Communications AB Transducteur électro-acoustique pour un appareil de communication portable
US7529520B2 (en) 2004-02-12 2009-05-05 Sony Ericsson Mobile Communications Ab Electro-acoustic transducer for a portable communication device
KR20080010625A (ko) * 2006-07-27 2008-01-31 삼성전자주식회사 모바일 기기
US7697281B2 (en) * 2008-09-05 2010-04-13 Apple Inc. Handheld computing device
KR101585388B1 (ko) * 2013-08-30 2016-01-13 닛토덴코 가부시키가이샤 방수 통음막과, 그것을 구비하는 방수 통음 부재, 전자 기기, 전자 기기용 케이스 및 방수 통음 구조체

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI973892A (fi) * 1997-10-06 1999-04-07 Nokia Mobile Phones Ltd Menetelmä ja järjestely kuulokkeen vuotosiedon parantamiseksi
US6321070B1 (en) * 1998-05-14 2001-11-20 Motorola, Inc. Portable electronic device with a speaker assembly
DK173789B1 (da) * 1998-10-05 2001-10-22 Kirk Acoustics As Elektroakustisk kommunikationsenhed

Also Published As

Publication number Publication date
FR2822012A1 (fr) 2002-09-13
JP2002359893A (ja) 2002-12-13
US20020126865A1 (en) 2002-09-12
CN1376009A (zh) 2002-10-23
EP1244331A1 (fr) 2002-09-25
US6668063B2 (en) 2003-12-23

Similar Documents

Publication Publication Date Title
DE60220346D1 (de) Elektroakustischer Wandler
DE60217754D1 (de) Piezoelektrische Vorrichtung
DE60232593D1 (de) Kompakte schwingungsunterdrückungsvorrichtung
DE60223874D1 (de) Ultraschalldiagnostikgerät
DE60128766D1 (de) Elektroakustischer Wandler
DE60117346D1 (de) Elektroakustischer Wandler
GB2395617B (en) Acoustic device
GB2379568B (en) Surface acoustic wave device
DE10225189B4 (de) Oberflächenwellenbauelement
FR2822012B1 (fr) Appareil electrique a transducteur electro-acoustique
FR2849290B1 (fr) Appareil electrique du type modulaire a faces de raccordement inclinees
ATE285585T1 (de) Messwandler
GB0107071D0 (en) An acoustic transducer assembly
DE60130937D1 (de) Akustische Oberflächenwellenvorrichtung
ATA15032001A (de) Elektroakustischer wandler
DE60233242D1 (de) Signalerzeugungsvorrichtung
DE60239850D1 (de) Akustische Oberflächenwellenanordnung
FR2838556B1 (fr) Appareil electrique interrupteur
FR2849527B1 (fr) Transformateur electrique a signature acoustique reduite
GB2400264B (en) Acoustic device
ATA6522001A (de) Piezoelektrische vorrichtung
EP1420514A4 (fr) Dispositif d'onde acoustique de surface
DE60123537D1 (de) Elektroakustischer Wandler
ATE436157T1 (de) Elektroakustischer wandler
GB2392579B (en) Acoustic device

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse