JPH0237760B2 - - Google Patents

Info

Publication number
JPH0237760B2
JPH0237760B2 JP56169091A JP16909181A JPH0237760B2 JP H0237760 B2 JPH0237760 B2 JP H0237760B2 JP 56169091 A JP56169091 A JP 56169091A JP 16909181 A JP16909181 A JP 16909181A JP H0237760 B2 JPH0237760 B2 JP H0237760B2
Authority
JP
Japan
Prior art keywords
diaphragm
film
mold
molding
vacuum
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
JP56169091A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5869198A (ja
Inventor
Michizo Saeki
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 JP16909181A priority Critical patent/JPS5869198A/ja
Publication of JPS5869198A publication Critical patent/JPS5869198A/ja
Publication of JPH0237760B2 publication Critical patent/JPH0237760B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP16909181A 1981-10-21 1981-10-21 コ−ン形振動板の成形方法 Granted JPS5869198A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16909181A JPS5869198A (ja) 1981-10-21 1981-10-21 コ−ン形振動板の成形方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16909181A JPS5869198A (ja) 1981-10-21 1981-10-21 コ−ン形振動板の成形方法

Publications (2)

Publication Number Publication Date
JPS5869198A JPS5869198A (ja) 1983-04-25
JPH0237760B2 true JPH0237760B2 (enrdf_load_stackoverflow) 1990-08-27

Family

ID=15880150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16909181A Granted JPS5869198A (ja) 1981-10-21 1981-10-21 コ−ン形振動板の成形方法

Country Status (1)

Country Link
JP (1) JPS5869198A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4872376B2 (ja) * 2006-02-22 2012-02-08 パナソニック電工株式会社 熱可塑性樹脂シート

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55162696A (en) * 1979-06-06 1980-12-18 Matsushita Electric Ind Co Ltd Manufacture for speaker diaphragm plate

Also Published As

Publication number Publication date
JPS5869198A (ja) 1983-04-25

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