JPH0550200B2 - - Google Patents

Info

Publication number
JPH0550200B2
JPH0550200B2 JP59033833A JP3383384A JPH0550200B2 JP H0550200 B2 JPH0550200 B2 JP H0550200B2 JP 59033833 A JP59033833 A JP 59033833A JP 3383384 A JP3383384 A JP 3383384A JP H0550200 B2 JPH0550200 B2 JP H0550200B2
Authority
JP
Japan
Prior art keywords
scale material
inorganic scale
elastic modulus
density
low
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 - Lifetime
Application number
JP59033833A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60177796A (ja
Inventor
Shinya Mizone
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.)
Onkyo Corp
Original Assignee
Onkyo Corp
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 Onkyo Corp filed Critical Onkyo Corp
Priority to JP3383384A priority Critical patent/JPS60177796A/ja
Publication of JPS60177796A publication Critical patent/JPS60177796A/ja
Publication of JPH0550200B2 publication Critical patent/JPH0550200B2/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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of 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)
JP3383384A 1984-02-23 1984-02-23 電気音響変換器用振動板の製造方法 Granted JPS60177796A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3383384A JPS60177796A (ja) 1984-02-23 1984-02-23 電気音響変換器用振動板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3383384A JPS60177796A (ja) 1984-02-23 1984-02-23 電気音響変換器用振動板の製造方法

Publications (2)

Publication Number Publication Date
JPS60177796A JPS60177796A (ja) 1985-09-11
JPH0550200B2 true JPH0550200B2 (enrdf_load_stackoverflow) 1993-07-28

Family

ID=12397490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3383384A Granted JPS60177796A (ja) 1984-02-23 1984-02-23 電気音響変換器用振動板の製造方法

Country Status (1)

Country Link
JP (1) JPS60177796A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132899A (en) * 1980-03-21 1981-10-17 Matsushita Electric Ind Co Ltd Diaphragm plate for speaker

Also Published As

Publication number Publication date
JPS60177796A (ja) 1985-09-11

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