JPS5422819A - Speaker diaphragm - Google Patents

Speaker diaphragm

Info

Publication number
JPS5422819A
JPS5422819A JP8858677A JP8858677A JPS5422819A JP S5422819 A JPS5422819 A JP S5422819A JP 8858677 A JP8858677 A JP 8858677A JP 8858677 A JP8858677 A JP 8858677A JP S5422819 A JPS5422819 A JP S5422819A
Authority
JP
Japan
Prior art keywords
speaker diaphragm
porous structure
voids
reinforce
plating
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.)
Pending
Application number
JP8858677A
Other languages
Japanese (ja)
Inventor
Shoji Sugaya
Yasushi Miyoshi
Shintaro Hirose
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.)
Tokyo Sanyo Electric Co Ltd
Sanyo Electric Co Ltd
Original Assignee
Tokyo Sanyo Electric Co Ltd
Sanyo Electric 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 Tokyo Sanyo Electric Co Ltd, Sanyo Electric Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP8858677A priority Critical patent/JPS5422819A/en
Publication of JPS5422819A publication Critical patent/JPS5422819A/en
Pending 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

Abstract

PURPOSE:To reinforce a porous structure, which is made of carbon having high percentage of voids, so as to improve the acoustic reproducing characteristics by plating the surface of the porous structure with a highly rigid material.
JP8858677A 1977-07-20 1977-07-20 Speaker diaphragm Pending JPS5422819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8858677A JPS5422819A (en) 1977-07-20 1977-07-20 Speaker diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8858677A JPS5422819A (en) 1977-07-20 1977-07-20 Speaker diaphragm

Publications (1)

Publication Number Publication Date
JPS5422819A true JPS5422819A (en) 1979-02-21

Family

ID=13946936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8858677A Pending JPS5422819A (en) 1977-07-20 1977-07-20 Speaker diaphragm

Country Status (1)

Country Link
JP (1) JPS5422819A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100599A (en) * 1980-01-16 1981-08-12 Pilot Precision Co Ltd Diaphragm for speaker
JPS5734693U (en) * 1980-07-29 1982-02-23

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56100599A (en) * 1980-01-16 1981-08-12 Pilot Precision Co Ltd Diaphragm for speaker
JPS5734693U (en) * 1980-07-29 1982-02-23

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