JPH0141079B2 - - Google Patents

Info

Publication number
JPH0141079B2
JPH0141079B2 JP4968681A JP4968681A JPH0141079B2 JP H0141079 B2 JPH0141079 B2 JP H0141079B2 JP 4968681 A JP4968681 A JP 4968681A JP 4968681 A JP4968681 A JP 4968681A JP H0141079 B2 JPH0141079 B2 JP H0141079B2
Authority
JP
Japan
Prior art keywords
metal plate
diaphragm
magnesium metal
whiskers
aluminum oxide
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
JP4968681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57164696A (en
Inventor
Fumio Hayakawa
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 JP4968681A priority Critical patent/JPS57164696A/ja
Publication of JPS57164696A publication Critical patent/JPS57164696A/ja
Publication of JPH0141079B2 publication Critical patent/JPH0141079B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP4968681A 1981-04-01 1981-04-01 Manufacture of diaphragm plate for speaker Granted JPS57164696A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4968681A JPS57164696A (en) 1981-04-01 1981-04-01 Manufacture of diaphragm plate for speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4968681A JPS57164696A (en) 1981-04-01 1981-04-01 Manufacture of diaphragm plate for speaker

Publications (2)

Publication Number Publication Date
JPS57164696A JPS57164696A (en) 1982-10-09
JPH0141079B2 true JPH0141079B2 (enrdf_load_stackoverflow) 1989-09-01

Family

ID=12838059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4968681A Granted JPS57164696A (en) 1981-04-01 1981-04-01 Manufacture of diaphragm plate for speaker

Country Status (1)

Country Link
JP (1) JPS57164696A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006093154A1 (ja) * 2005-02-28 2006-09-08 Pioneer Corporation 筐体、スピーカー装置用構成部材及びそれらの製造方法

Also Published As

Publication number Publication date
JPS57164696A (en) 1982-10-09

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