JPS6355838B2 - - Google Patents

Info

Publication number
JPS6355838B2
JPS6355838B2 JP18294982A JP18294982A JPS6355838B2 JP S6355838 B2 JPS6355838 B2 JP S6355838B2 JP 18294982 A JP18294982 A JP 18294982A JP 18294982 A JP18294982 A JP 18294982A JP S6355838 B2 JPS6355838 B2 JP S6355838B2
Authority
JP
Japan
Prior art keywords
diaphragm
core material
peaks
core
circumferential 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
JP18294982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5972897A (ja
Inventor
Makoto Takashima
Tatsuo Fukuyama
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 JP18294982A priority Critical patent/JPS5972897A/ja
Publication of JPS5972897A publication Critical patent/JPS5972897A/ja
Publication of JPS6355838B2 publication Critical patent/JPS6355838B2/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; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP18294982A 1982-10-20 1982-10-20 スピ−カ振動板 Granted JPS5972897A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18294982A JPS5972897A (ja) 1982-10-20 1982-10-20 スピ−カ振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18294982A JPS5972897A (ja) 1982-10-20 1982-10-20 スピ−カ振動板

Publications (2)

Publication Number Publication Date
JPS5972897A JPS5972897A (ja) 1984-04-24
JPS6355838B2 true JPS6355838B2 (enrdf_load_stackoverflow) 1988-11-04

Family

ID=16127167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18294982A Granted JPS5972897A (ja) 1982-10-20 1982-10-20 スピ−カ振動板

Country Status (1)

Country Link
JP (1) JPS5972897A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63155998A (ja) * 1986-12-19 1988-06-29 Matsushita Electric Ind Co Ltd 平板振動板

Also Published As

Publication number Publication date
JPS5972897A (ja) 1984-04-24

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