FR2777149B1 - Membranes resonateurs a frequences differentes - Google Patents

Membranes resonateurs a frequences differentes

Info

Publication number
FR2777149B1
FR2777149B1 FR9810741A FR9810741A FR2777149B1 FR 2777149 B1 FR2777149 B1 FR 2777149B1 FR 9810741 A FR9810741 A FR 9810741A FR 9810741 A FR9810741 A FR 9810741A FR 2777149 B1 FR2777149 B1 FR 2777149B1
Authority
FR
France
Prior art keywords
different frequencies
resonator
membranes
resonator membranes
frequencies
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
FR9810741A
Other languages
English (en)
Other versions
FR2777149A1 (fr
Inventor
Marc Charbonneaux
Patrice Morchain
Claude Annie Perrichon
Pierre Piccaluga
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.)
Individual
Original Assignee
Individual
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
Priority claimed from FR9804596A external-priority patent/FR2777148A1/fr
Application filed by Individual filed Critical Individual
Priority to FR9810741A priority Critical patent/FR2777149B1/fr
Priority to EP99932954A priority patent/EP1112669A1/fr
Priority to CN99811604A priority patent/CN1321404A/zh
Priority to JP2000567049A priority patent/JP2002523810A/ja
Priority to CA002341590A priority patent/CA2341590A1/fr
Priority to IL14162599A priority patent/IL141625A0/xx
Priority to HK02103375.7A priority patent/HK1045435A1/zh
Priority to US09/784,438 priority patent/US6627805B1/en
Priority to KR1020017002389A priority patent/KR20010079686A/ko
Priority to BR9913332-6A priority patent/BR9913332A/pt
Priority to AU49159/99A priority patent/AU762666B2/en
Priority to PCT/FR1999/001809 priority patent/WO2000011909A1/fr
Publication of FR2777149A1 publication Critical patent/FR2777149A1/fr
Priority to NO20010924A priority patent/NO20010924L/no
Priority to IL141625A priority patent/IL141625A/en
Publication of FR2777149B1 publication Critical patent/FR2777149B1/fr
Application granted granted Critical
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; 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
    • 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
    • H04R7/04—Plane diaphragms

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR9810741A 1998-04-07 1998-08-24 Membranes resonateurs a frequences differentes Expired - Fee Related FR2777149B1 (fr)

Priority Applications (14)

Application Number Priority Date Filing Date Title
FR9810741A FR2777149B1 (fr) 1998-04-07 1998-08-24 Membranes resonateurs a frequences differentes
KR1020017002389A KR20010079686A (ko) 1998-08-24 1999-07-22 서로 다른 주파수에서 공명시키는 진동판
AU49159/99A AU762666B2 (en) 1998-08-24 1999-07-22 Resonating diaphragms with different frequencies
JP2000567049A JP2002523810A (ja) 1998-08-24 1999-07-22 異なる周波数で共鳴する膜
CA002341590A CA2341590A1 (fr) 1998-08-24 1999-07-22 Membranes resonateurs a frequences differentes
IL14162599A IL141625A0 (en) 1998-08-24 1999-07-22 Resonating diaphragms with different frequencies
HK02103375.7A HK1045435A1 (zh) 1998-08-24 1999-07-22 差頻共振膜
US09/784,438 US6627805B1 (en) 1998-08-24 1999-07-22 Audio device and method including a membrane having at least two tongues with different resonant frequencies
EP99932954A EP1112669A1 (fr) 1998-08-24 1999-07-22 Membranes resonateurs a frequences differentes
BR9913332-6A BR9913332A (pt) 1998-08-24 1999-07-22 Membranas ressonantes a diferentes frequências
CN99811604A CN1321404A (zh) 1998-08-24 1999-07-22 差频共振膜
PCT/FR1999/001809 WO2000011909A1 (fr) 1998-08-24 1999-07-22 Membranes resonateurs a frequences differentes
NO20010924A NO20010924L (no) 1998-08-24 2001-02-23 Resonerende membraner med forskjellige frekvenser
IL141625A IL141625A (en) 1998-08-24 2001-02-23 Diaphragms resonate at different frequencies

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9804596A FR2777148A1 (fr) 1998-04-07 1998-04-07 Membrane, resonateurs a frequences differentes
FR9810741A FR2777149B1 (fr) 1998-04-07 1998-08-24 Membranes resonateurs a frequences differentes

Publications (2)

Publication Number Publication Date
FR2777149A1 FR2777149A1 (fr) 1999-10-08
FR2777149B1 true FR2777149B1 (fr) 2002-12-06

Family

ID=26234262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9810741A Expired - Fee Related FR2777149B1 (fr) 1998-04-07 1998-08-24 Membranes resonateurs a frequences differentes

Country Status (1)

Country Link
FR (1) FR2777149B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9913332A (pt) 1998-08-24 2001-05-15 Pica Sound Internat Membranas ressonantes a diferentes frequências

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2845135A (en) * 1955-09-26 1958-07-29 Arthur Blumenfeld Auxiliary wave propagating and directing attachment for loudspeaker diaphragms
US4997058A (en) * 1989-10-02 1991-03-05 Bertagni Jose J Sound transducer
AT397898B (de) * 1991-09-25 1994-07-25 Akg Akustische Kino Geraete Membran für elektrodynamische wandler
US5418337A (en) * 1993-05-28 1995-05-23 Bose Corporation Loudspeaker driver surrounding

Also Published As

Publication number Publication date
FR2777149A1 (fr) 1999-10-08

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse
FC Favourable decision of inpi director general on an application for restauration.
RN Application for restoration
TP Transmission of property
ST Notification of lapse

Effective date: 20080430