FR2599207B1 - PIEZOELECTRIC SPEAKER TYPE DEVICE - Google Patents

PIEZOELECTRIC SPEAKER TYPE DEVICE

Info

Publication number
FR2599207B1
FR2599207B1 FR8607390A FR8607390A FR2599207B1 FR 2599207 B1 FR2599207 B1 FR 2599207B1 FR 8607390 A FR8607390 A FR 8607390A FR 8607390 A FR8607390 A FR 8607390A FR 2599207 B1 FR2599207 B1 FR 2599207B1
Authority
FR
France
Prior art keywords
type device
piezoelectric speaker
speaker type
piezoelectric
type
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
FR8607390A
Other languages
French (fr)
Other versions
FR2599207A1 (en
Inventor
Hugues Baudry
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.)
Laboratoires dElectronique Philips SAS
Original Assignee
Laboratoires dElectronique et de Physique Appliquee
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 Laboratoires dElectronique et de Physique Appliquee filed Critical Laboratoires dElectronique et de Physique Appliquee
Priority to FR8607390A priority Critical patent/FR2599207B1/en
Publication of FR2599207A1 publication Critical patent/FR2599207A1/en
Application granted granted Critical
Publication of FR2599207B1 publication Critical patent/FR2599207B1/en
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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR8607390A 1986-05-23 1986-05-23 PIEZOELECTRIC SPEAKER TYPE DEVICE Expired FR2599207B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8607390A FR2599207B1 (en) 1986-05-23 1986-05-23 PIEZOELECTRIC SPEAKER TYPE DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8607390A FR2599207B1 (en) 1986-05-23 1986-05-23 PIEZOELECTRIC SPEAKER TYPE DEVICE

Publications (2)

Publication Number Publication Date
FR2599207A1 FR2599207A1 (en) 1987-11-27
FR2599207B1 true FR2599207B1 (en) 1989-05-26

Family

ID=9335554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8607390A Expired FR2599207B1 (en) 1986-05-23 1986-05-23 PIEZOELECTRIC SPEAKER TYPE DEVICE

Country Status (1)

Country Link
FR (1) FR2599207B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4363554B2 (en) * 1999-10-08 2009-11-11 タイコエレクトロニクスアンプ株式会社 Helmet with built-in speaker for motorcycle riders
CN114390424B (en) * 2021-09-02 2023-10-31 苏州清听声学科技有限公司 Directional sound production screen insulating layer silk-screen printing method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967957A (en) * 1957-09-17 1961-01-10 Massa Frank Electroacoustic transducer
US3115588A (en) * 1958-02-05 1963-12-24 Raytheon Co Electroacoustical apparatus
US3501698A (en) * 1967-08-25 1970-03-17 Bendix Corp Method and apparatus for testing circuits on circuit boards for continuity including the use of electrosensitive paper responsive to current flow throuh the circuits
DE2125784C3 (en) * 1971-05-25 1980-09-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electroacoustic converter
DE2831377A1 (en) * 1978-07-17 1980-01-31 Siemens Ag ELECTROACOUSTIC CONVERTER
FR2570223B1 (en) * 1984-09-07 1986-12-05 Labo Electronique Physique PIEZOELECTRIC DEVICE AND METHOD FOR PRODUCING SUCH A DEVICE

Also Published As

Publication number Publication date
FR2599207A1 (en) 1987-11-27

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse