JPH0434359B2 - - Google Patents

Info

Publication number
JPH0434359B2
JPH0434359B2 JP58131242A JP13124283A JPH0434359B2 JP H0434359 B2 JPH0434359 B2 JP H0434359B2 JP 58131242 A JP58131242 A JP 58131242A JP 13124283 A JP13124283 A JP 13124283A JP H0434359 B2 JPH0434359 B2 JP H0434359B2
Authority
JP
Japan
Prior art keywords
boron
diaphragm
core material
core
skin material
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
JP58131242A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6022899A (ja
Inventor
Hiroshi Takeuchi
Yoshiaki Maruno
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 JP58131242A priority Critical patent/JPS6022899A/ja
Publication of JPS6022899A publication Critical patent/JPS6022899A/ja
Publication of JPH0434359B2 publication Critical patent/JPH0434359B2/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)
  • Laminated Bodies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP58131242A 1983-07-18 1983-07-18 スピ−カ用振動板 Granted JPS6022899A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58131242A JPS6022899A (ja) 1983-07-18 1983-07-18 スピ−カ用振動板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58131242A JPS6022899A (ja) 1983-07-18 1983-07-18 スピ−カ用振動板

Publications (2)

Publication Number Publication Date
JPS6022899A JPS6022899A (ja) 1985-02-05
JPH0434359B2 true JPH0434359B2 (enrdf_load_stackoverflow) 1992-06-05

Family

ID=15053324

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58131242A Granted JPS6022899A (ja) 1983-07-18 1983-07-18 スピ−カ用振動板

Country Status (1)

Country Link
JP (1) JPS6022899A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2007034781A1 (ja) 2005-09-20 2009-03-26 株式会社ビームテック スピーカ、スピーカ用の振動板およびサスペンション
CN107820193A (zh) * 2017-09-27 2018-03-20 江苏裕成电子有限公司 振膜与振膜制作方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5815398A (ja) * 1981-07-22 1983-01-28 Matsushita Electric Ind Co Ltd スピ−カ用振動板

Also Published As

Publication number Publication date
JPS6022899A (ja) 1985-02-05

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