JPS6237879B2 - - Google Patents

Info

Publication number
JPS6237879B2
JPS6237879B2 JP54048466A JP4846679A JPS6237879B2 JP S6237879 B2 JPS6237879 B2 JP S6237879B2 JP 54048466 A JP54048466 A JP 54048466A JP 4846679 A JP4846679 A JP 4846679A JP S6237879 B2 JPS6237879 B2 JP S6237879B2
Authority
JP
Japan
Prior art keywords
diaphragm
loss
large loss
edge
surface materials
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
JP54048466A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55140397A (en
Inventor
Koshin Shimada
Tatsuo Fukuyama
Takafumi Ueno
Kenichi Takahashi
Morihiro Myazaki
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 JP4846679A priority Critical patent/JPS55140397A/ja
Publication of JPS55140397A publication Critical patent/JPS55140397A/ja
Publication of JPS6237879B2 publication Critical patent/JPS6237879B2/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)
  • Diaphragms For Electromechanical Transducers (AREA)
JP4846679A 1979-04-18 1979-04-18 Diaphragm Granted JPS55140397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4846679A JPS55140397A (en) 1979-04-18 1979-04-18 Diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4846679A JPS55140397A (en) 1979-04-18 1979-04-18 Diaphragm

Publications (2)

Publication Number Publication Date
JPS55140397A JPS55140397A (en) 1980-11-01
JPS6237879B2 true JPS6237879B2 (en, 2012) 1987-08-14

Family

ID=12804142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4846679A Granted JPS55140397A (en) 1979-04-18 1979-04-18 Diaphragm

Country Status (1)

Country Link
JP (1) JPS55140397A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006270844A (ja) * 2005-03-25 2006-10-05 Yamaha Corp スピーカ用振動板、スピーカユニット、スピーカ装置及びスピーカ用振動板の製造方法
JP2007336426A (ja) * 2006-06-19 2007-12-27 Foster Electric Co Ltd スピーカ

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030811A1 (de) * 2007-04-26 2008-11-06 Airbus Deutschland Gmbh Flachlautsprecher
WO2014162412A1 (ja) * 2013-04-01 2014-10-09 パイオニア株式会社 スピーカ装置用振動板

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5638876Y2 (en, 2012) * 1976-10-22 1981-09-10
JPS5822000B2 (ja) * 1977-09-05 1983-05-06 三菱電機株式会社 コ−ン形ハニカム状振動板

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006270844A (ja) * 2005-03-25 2006-10-05 Yamaha Corp スピーカ用振動板、スピーカユニット、スピーカ装置及びスピーカ用振動板の製造方法
JP2007336426A (ja) * 2006-06-19 2007-12-27 Foster Electric Co Ltd スピーカ

Also Published As

Publication number Publication date
JPS55140397A (en) 1980-11-01

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