FR2354675B2 - - Google Patents

Info

Publication number
FR2354675B2
FR2354675B2 FR7617335A FR7617335A FR2354675B2 FR 2354675 B2 FR2354675 B2 FR 2354675B2 FR 7617335 A FR7617335 A FR 7617335A FR 7617335 A FR7617335 A FR 7617335A FR 2354675 B2 FR2354675 B2 FR 2354675B2
Authority
FR
France
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
FR7617335A
Other languages
French (fr)
Other versions
FR2354675A2 (fr
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 JP50064103A external-priority patent/JPS51140619A/ja
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to FR7617335A priority Critical patent/FR2354675A2/fr
Publication of FR2354675A2 publication Critical patent/FR2354675A2/fr
Application granted granted Critical
Publication of FR2354675B2 publication Critical patent/FR2354675B2/fr
Granted 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H04R7/127—Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR7617335A 1975-05-30 1976-06-09 Piece vibrante pour transducteur et son procede de fabrication Granted FR2354675A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7617335A FR2354675A2 (fr) 1975-05-30 1976-06-09 Piece vibrante pour transducteur et son procede de fabrication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50064103A JPS51140619A (en) 1975-05-30 1975-05-30 Vibration member for acoustic convertor
FR7617335A FR2354675A2 (fr) 1975-05-30 1976-06-09 Piece vibrante pour transducteur et son procede de fabrication

Publications (2)

Publication Number Publication Date
FR2354675A2 FR2354675A2 (fr) 1978-01-06
FR2354675B2 true FR2354675B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-11-17

Family

ID=26219477

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7617335A Granted FR2354675A2 (fr) 1975-05-30 1976-06-09 Piece vibrante pour transducteur et son procede de fabrication

Country Status (1)

Country Link
FR (1) FR2354675A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR2354675A2 (fr) 1978-01-06

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