FR2820935B1 - Dispositif d'emission acoustique etanche - Google Patents

Dispositif d'emission acoustique etanche

Info

Publication number
FR2820935B1
FR2820935B1 FR0101787A FR0101787A FR2820935B1 FR 2820935 B1 FR2820935 B1 FR 2820935B1 FR 0101787 A FR0101787 A FR 0101787A FR 0101787 A FR0101787 A FR 0101787A FR 2820935 B1 FR2820935 B1 FR 2820935B1
Authority
FR
France
Prior art keywords
transmission device
acoustic transmission
waterproof acoustic
waterproof
transmission
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
FR0101787A
Other languages
English (en)
Other versions
FR2820935A1 (fr
Inventor
Freddy Donnenwirth
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.)
Sagemcom Energy and Telecom SAS
Original Assignee
Sagem 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 Sagem SA filed Critical Sagem SA
Priority to FR0101787A priority Critical patent/FR2820935B1/fr
Publication of FR2820935A1 publication Critical patent/FR2820935A1/fr
Application granted granted Critical
Publication of FR2820935B1 publication Critical patent/FR2820935B1/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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H04R1/086—Protective screens, e.g. all weather or wind screens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)
FR0101787A 2001-02-09 2001-02-09 Dispositif d'emission acoustique etanche Expired - Fee Related FR2820935B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0101787A FR2820935B1 (fr) 2001-02-09 2001-02-09 Dispositif d'emission acoustique etanche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0101787A FR2820935B1 (fr) 2001-02-09 2001-02-09 Dispositif d'emission acoustique etanche

Publications (2)

Publication Number Publication Date
FR2820935A1 FR2820935A1 (fr) 2002-08-16
FR2820935B1 true FR2820935B1 (fr) 2003-06-20

Family

ID=8859838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0101787A Expired - Fee Related FR2820935B1 (fr) 2001-02-09 2001-02-09 Dispositif d'emission acoustique etanche

Country Status (1)

Country Link
FR (1) FR2820935B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106572416A (zh) * 2016-10-28 2017-04-19 刘颂东 水下振动波的低损/高保真的输出及接收装置
CN108650581A (zh) * 2018-06-28 2018-10-12 赣州得辉达科技有限公司 一种潜水音箱

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3418798B2 (ja) * 1993-11-01 2003-06-23 富士通株式会社 移動通信用端末機
JP2869505B2 (ja) * 1994-02-04 1999-03-10 リオン株式会社 マイクロホン用防水装置
JPH10210121A (ja) * 1997-01-28 1998-08-07 Kokusai Electric Co Ltd 移動体通信装置
DE19838391A1 (de) * 1998-08-24 2000-03-02 Siemens Audiologische Technik Telefon, insbesondere Mobiltelefon

Also Published As

Publication number Publication date
FR2820935A1 (fr) 2002-08-16

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
TP Transmission of property

Effective date: 20120725

Owner name: SAGECOM ENERGY & TELECOM SAS, FR

ST Notification of lapse

Effective date: 20141031