JPS5723389A - Diaphragm for loudspeaker - Google Patents

Diaphragm for loudspeaker

Info

Publication number
JPS5723389A
JPS5723389A JP9791880A JP9791880A JPS5723389A JP S5723389 A JPS5723389 A JP S5723389A JP 9791880 A JP9791880 A JP 9791880A JP 9791880 A JP9791880 A JP 9791880A JP S5723389 A JPS5723389 A JP S5723389A
Authority
JP
Japan
Prior art keywords
resin
diaphragm
loudspeaker
skin layer
high hardness
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
JP9791880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS639440B2 (https=
Inventor
Noboru Koizumi
Kazuro Okuzawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9791880A priority Critical patent/JPS5723389A/ja
Publication of JPS5723389A publication Critical patent/JPS5723389A/ja
Publication of JPS639440B2 publication Critical patent/JPS639440B2/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)
  • Laminated Bodies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP9791880A 1980-07-16 1980-07-16 Diaphragm for loudspeaker Granted JPS5723389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9791880A JPS5723389A (en) 1980-07-16 1980-07-16 Diaphragm for loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9791880A JPS5723389A (en) 1980-07-16 1980-07-16 Diaphragm for loudspeaker

Publications (2)

Publication Number Publication Date
JPS5723389A true JPS5723389A (en) 1982-02-06
JPS639440B2 JPS639440B2 (https=) 1988-02-29

Family

ID=14205074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9791880A Granted JPS5723389A (en) 1980-07-16 1980-07-16 Diaphragm for loudspeaker

Country Status (1)

Country Link
JP (1) JPS5723389A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60158545A (ja) * 1984-01-27 1985-08-19 Mitsubishi Electric Corp 無電極放電ランプ
JPS60158544A (ja) * 1984-01-27 1985-08-19 Mitsubishi Electric Corp 無電極放電ランプ
JPH0232295U (https=) * 1988-08-24 1990-02-28

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5476134A (en) * 1977-11-29 1979-06-18 Mitsubishi Electric Corp Manufacture of speaker diaphragm

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5476134A (en) * 1977-11-29 1979-06-18 Mitsubishi Electric Corp Manufacture of speaker diaphragm

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60158545A (ja) * 1984-01-27 1985-08-19 Mitsubishi Electric Corp 無電極放電ランプ
JPS60158544A (ja) * 1984-01-27 1985-08-19 Mitsubishi Electric Corp 無電極放電ランプ
JPH0232295U (https=) * 1988-08-24 1990-02-28

Also Published As

Publication number Publication date
JPS639440B2 (https=) 1988-02-29

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