JPS6220759B2 - - Google Patents

Info

Publication number
JPS6220759B2
JPS6220759B2 JP14850581A JP14850581A JPS6220759B2 JP S6220759 B2 JPS6220759 B2 JP S6220759B2 JP 14850581 A JP14850581 A JP 14850581A JP 14850581 A JP14850581 A JP 14850581A JP S6220759 B2 JPS6220759 B2 JP S6220759B2
Authority
JP
Japan
Prior art keywords
speaker diaphragm
cone
recess
upper mold
mold
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
JP14850581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5848598A (ja
Inventor
Yoshiaki Yonetani
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 JP56148505A priority Critical patent/JPS5848598A/ja
Publication of JPS5848598A publication Critical patent/JPS5848598A/ja
Publication of JPS6220759B2 publication Critical patent/JPS6220759B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP56148505A 1981-09-18 1981-09-18 スピ−カ用振動板成型装置 Granted JPS5848598A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56148505A JPS5848598A (ja) 1981-09-18 1981-09-18 スピ−カ用振動板成型装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56148505A JPS5848598A (ja) 1981-09-18 1981-09-18 スピ−カ用振動板成型装置

Publications (2)

Publication Number Publication Date
JPS5848598A JPS5848598A (ja) 1983-03-22
JPS6220759B2 true JPS6220759B2 (enrdf_load_stackoverflow) 1987-05-08

Family

ID=15454256

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56148505A Granted JPS5848598A (ja) 1981-09-18 1981-09-18 スピ−カ用振動板成型装置

Country Status (1)

Country Link
JP (1) JPS5848598A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0513650U (ja) * 1991-08-02 1993-02-23 日立金属株式会社 ダイカスト用スリーブ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0513650U (ja) * 1991-08-02 1993-02-23 日立金属株式会社 ダイカスト用スリーブ

Also Published As

Publication number Publication date
JPS5848598A (ja) 1983-03-22

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