JPS57173297A - Speaker diaphragm and its manufacture - Google Patents

Speaker diaphragm and its manufacture

Info

Publication number
JPS57173297A
JPS57173297A JP5799481A JP5799481A JPS57173297A JP S57173297 A JPS57173297 A JP S57173297A JP 5799481 A JP5799481 A JP 5799481A JP 5799481 A JP5799481 A JP 5799481A JP S57173297 A JPS57173297 A JP S57173297A
Authority
JP
Japan
Prior art keywords
aluminum plate
core
stuck
prescribed interval
foamed 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.)
Granted
Application number
JP5799481A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0237759B2 (enrdf_load_stackoverflow
Inventor
Yutaka Mae
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.)
TRIO KENWOOD CORP
Trio KK
Kenwood KK
Original Assignee
TRIO KENWOOD CORP
Trio KK
Kenwood KK
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 TRIO KENWOOD CORP, Trio KK, Kenwood KK filed Critical TRIO KENWOOD CORP
Priority to JP5799481A priority Critical patent/JPS57173297A/ja
Publication of JPS57173297A publication Critical patent/JPS57173297A/ja
Publication of JPH0237759B2 publication Critical patent/JPH0237759B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/06Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10Plane 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)
JP5799481A 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture Granted JPS57173297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5799481A JPS57173297A (en) 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5799481A JPS57173297A (en) 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture

Publications (2)

Publication Number Publication Date
JPS57173297A true JPS57173297A (en) 1982-10-25
JPH0237759B2 JPH0237759B2 (enrdf_load_stackoverflow) 1990-08-27

Family

ID=13071552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5799481A Granted JPS57173297A (en) 1981-04-17 1981-04-17 Speaker diaphragm and its manufacture

Country Status (1)

Country Link
JP (1) JPS57173297A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133125A (en) * 1978-04-06 1979-10-16 Matsushita Electric Ind Co Ltd Diaphragm for speaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54133125A (en) * 1978-04-06 1979-10-16 Matsushita Electric Ind Co Ltd Diaphragm for speaker

Also Published As

Publication number Publication date
JPH0237759B2 (enrdf_load_stackoverflow) 1990-08-27

Similar Documents

Publication Publication Date Title
IT8012506A0 (it) Dispositivo a regolazione elettronica per il taglio progressivo in foglietti di una bobina di nastro dimateriale in foglio anche stampato
DE3062908D1 (en) Thin magnetic film heads
AU543500B2 (en) Piezoelectric transducer
AU554964B2 (en) Ligator with rocking clip retaining escapement
AU5645780A (en) Pocketed spring assembly
AU527759B2 (en) Sheets coated with thermally responsive material
AU5688080A (en) Piezo-electric film manufacture
JPS5644118A (en) Thin film magnetic head and production thereof
GB8331722D0 (en) Manufacturing thin film magnetic head
DE3377888D1 (en) Electro-acoustic transducer with diaphragm
JPS57173297A (en) Speaker diaphragm and its manufacture
FR2336721B1 (enrdf_load_stackoverflow)
PT70809A (en) Process for the preparation of carbonylalkyl phenoxycarboxylic with herbicidal effect
JPS5613896A (en) Speaker diaphragm
AU4841179A (en) Dispenser with wetted sheet-like material
JPS56112705A (en) Increase in adhesion of permanent magnet to magnetic unit
JPS5624016A (en) Gas absorbing element
JPS55130188A (en) Device for supporting laser tube
JPS56114498A (en) Plane diaphragm
JPS56114497A (en) Plane diaphragm
JPS55130108A (en) Voice coil and manufacture thereof
JPS5639697A (en) Voice coil unit
GB8328339D0 (en) Manufacturing magnetic thin film transducer heads
JPS56129498A (en) Manufacture for diaphragm plate for speaker
SU580171A1 (ru) Устройство дл намотки нитевидного материала