FR2542550B1 - Transducteur electroacoustique a correction acoustique integree - Google Patents

Transducteur electroacoustique a correction acoustique integree

Info

Publication number
FR2542550B1
FR2542550B1 FR8303698A FR8303698A FR2542550B1 FR 2542550 B1 FR2542550 B1 FR 2542550B1 FR 8303698 A FR8303698 A FR 8303698A FR 8303698 A FR8303698 A FR 8303698A FR 2542550 B1 FR2542550 B1 FR 2542550B1
Authority
FR
France
Prior art keywords
electroacoustic transducer
acoustic correction
integrated acoustic
integrated
correction
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
FR8303698A
Other languages
English (en)
Other versions
FR2542550A1 (fr
Inventor
Pierre Ravinet
Christian Claudepierre
Denis Guillou
Francois Micheron
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8303698A priority Critical patent/FR2542550B1/fr
Publication of FR2542550A1 publication Critical patent/FR2542550A1/fr
Application granted granted Critical
Publication of FR2542550B1 publication Critical patent/FR2542550B1/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; 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 
FR8303698A 1983-03-07 1983-03-07 Transducteur electroacoustique a correction acoustique integree Expired FR2542550B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8303698A FR2542550B1 (fr) 1983-03-07 1983-03-07 Transducteur electroacoustique a correction acoustique integree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8303698A FR2542550B1 (fr) 1983-03-07 1983-03-07 Transducteur electroacoustique a correction acoustique integree

Publications (2)

Publication Number Publication Date
FR2542550A1 FR2542550A1 (fr) 1984-09-14
FR2542550B1 true FR2542550B1 (fr) 1986-11-14

Family

ID=9286566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8303698A Expired FR2542550B1 (fr) 1983-03-07 1983-03-07 Transducteur electroacoustique a correction acoustique integree

Country Status (1)

Country Link
FR (1) FR2542550B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4905276A (en) * 1988-06-15 1990-02-27 Harry Catey Telephone earpiece extension attachment
BE1011085A4 (nl) * 1997-04-03 1999-04-06 Sonitron Naamloze Vennootschap Element voor het weergeven en/of opnemen van geluid.
EP2741524B1 (fr) * 2012-12-04 2019-02-13 Baumer Electric AG Transducteur électroacoustique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704133A (en) * 1951-01-26 1955-03-15 Telephonics Corp Acoustic filter
US3085297A (en) * 1956-08-28 1963-04-16 Douglas Aircraft Co Inc Door for pressurized cabin
BE562680A (fr) * 1956-11-26
FR1285468A (fr) * 1960-02-12 1962-02-23 Int Standard Electric Corp Perfectionnements aux transducteurs électro-acoustiques
FR2511570A1 (fr) * 1981-08-11 1983-02-18 Thomson Csf Transducteur electroacoustique a polymere piezoelectrique

Also Published As

Publication number Publication date
FR2542550A1 (fr) 1984-09-14

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse