JPS57173297A - Speaker diaphragm and its manufacture - Google Patents

Speaker diaphragm and its manufacture

Info

Publication number
JPS57173297A
JPS57173297A JP5799481A JP5799481A JPS57173297A JP S57173297 A JPS57173297 A JP S57173297A JP 5799481 A JP5799481 A JP 5799481A JP 5799481 A JP5799481 A JP 5799481A JP S57173297 A JPS57173297 A JP S57173297A
Authority
JP
Japan
Prior art keywords
aluminum plate
core
stuck
prescribed interval
foamed material
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.)
Granted
Application number
JP5799481A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0237759B2 (https=
Inventor
Yutaka Mae
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.)
TRIO KENWOOD CORP
Trio KK
Kenwood KK
Original Assignee
TRIO KENWOOD CORP
Trio KK
Kenwood KK
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 TRIO KENWOOD CORP, Trio KK, Kenwood KK filed Critical TRIO KENWOOD CORP
Priority to JP5799481A priority Critical patent/JPS57173297A/ja
Publication of JPS57173297A publication Critical patent/JPS57173297A/ja
Publication of JPH0237759B2 publication Critical patent/JPH0237759B2/ja
Granted 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
    • H04R7/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP5799481A 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture Granted JPS57173297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5799481A JPS57173297A (en) 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5799481A JPS57173297A (en) 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture

Publications (2)

Publication Number Publication Date
JPS57173297A true JPS57173297A (en) 1982-10-25
JPH0237759B2 JPH0237759B2 (https=) 1990-08-27

Family

ID=13071552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5799481A Granted JPS57173297A (en) 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture

Country Status (1)

Country Link
JP (1) JPS57173297A (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133125A (en) * 1978-04-06 1979-10-16 Matsushita Electric Ind Co Ltd Diaphragm for speaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133125A (en) * 1978-04-06 1979-10-16 Matsushita Electric Ind Co Ltd Diaphragm for speaker

Also Published As

Publication number Publication date
JPH0237759B2 (https=) 1990-08-27

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