JPS6359320B2 - - Google Patents

Info

Publication number
JPS6359320B2
JPS6359320B2 JP22432582A JP22432582A JPS6359320B2 JP S6359320 B2 JPS6359320 B2 JP S6359320B2 JP 22432582 A JP22432582 A JP 22432582A JP 22432582 A JP22432582 A JP 22432582A JP S6359320 B2 JPS6359320 B2 JP S6359320B2
Authority
JP
Japan
Prior art keywords
core material
frame
diaphragm
protrusions
radial direction
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
Application number
JP22432582A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59114996A (ja
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 filed Critical
Priority to JP57224325A priority Critical patent/JPS59114996A/ja
Publication of JPS59114996A publication Critical patent/JPS59114996A/ja
Publication of JPS6359320B2 publication Critical patent/JPS6359320B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP57224325A 1982-12-20 1982-12-20 スピ−カ振動板およびその製造方法 Granted JPS59114996A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57224325A JPS59114996A (ja) 1982-12-20 1982-12-20 スピ−カ振動板およびその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57224325A JPS59114996A (ja) 1982-12-20 1982-12-20 スピ−カ振動板およびその製造方法

Publications (2)

Publication Number Publication Date
JPS59114996A JPS59114996A (ja) 1984-07-03
JPS6359320B2 true JPS6359320B2 (ref) 1988-11-18

Family

ID=16811980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57224325A Granted JPS59114996A (ja) 1982-12-20 1982-12-20 スピ−カ振動板およびその製造方法

Country Status (1)

Country Link
JP (1) JPS59114996A (ref)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7326870B2 (ja) * 2019-05-23 2023-08-16 カシオ計算機株式会社 機器及び鍵盤楽器

Also Published As

Publication number Publication date
JPS59114996A (ja) 1984-07-03

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