JPS5421717A - Diaphragm for speakers - Google Patents

Diaphragm for speakers

Info

Publication number
JPS5421717A
JPS5421717A JP8690877A JP8690877A JPS5421717A JP S5421717 A JPS5421717 A JP S5421717A JP 8690877 A JP8690877 A JP 8690877A JP 8690877 A JP8690877 A JP 8690877A JP S5421717 A JPS5421717 A JP S5421717A
Authority
JP
Japan
Prior art keywords
diaphragm
speakers
pulp
achieves
sound pressure
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
JP8690877A
Other languages
Japanese (ja)
Other versions
JPS575393B2 (en
Inventor
Hirotoshi Niiguchi
Mitsuru Yashiro
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 JP8690877A priority Critical patent/JPS5421717A/en
Publication of JPS5421717A publication Critical patent/JPS5421717A/en
Publication of JPS575393B2 publication Critical patent/JPS575393B2/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

PURPOSE:To obtain a diaphragm which achieves flatter sound pressure-frequency characteristics and less distortions by mixing alpha type hemihydrate gypsum whiskers and pulp, etc.
JP8690877A 1977-07-19 1977-07-19 Diaphragm for speakers Granted JPS5421717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8690877A JPS5421717A (en) 1977-07-19 1977-07-19 Diaphragm for speakers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8690877A JPS5421717A (en) 1977-07-19 1977-07-19 Diaphragm for speakers

Publications (2)

Publication Number Publication Date
JPS5421717A true JPS5421717A (en) 1979-02-19
JPS575393B2 JPS575393B2 (en) 1982-01-30

Family

ID=13899928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8690877A Granted JPS5421717A (en) 1977-07-19 1977-07-19 Diaphragm for speakers

Country Status (1)

Country Link
JP (1) JPS5421717A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498500A (en) * 2016-10-26 2017-03-15 四川理工学院 A kind of method for preparing calcium sulfate crystal whiskers using non-hardening magnesia rich slags

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240323A (en) * 1975-09-27 1977-03-29 Sharp Corp Manufacturing process of speaker diaphragm
JPS5240325A (en) * 1975-09-27 1977-03-29 Sharp Corp Manufacturing process for speaker diaphragm

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240323A (en) * 1975-09-27 1977-03-29 Sharp Corp Manufacturing process of speaker diaphragm
JPS5240325A (en) * 1975-09-27 1977-03-29 Sharp Corp Manufacturing process for speaker diaphragm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498500A (en) * 2016-10-26 2017-03-15 四川理工学院 A kind of method for preparing calcium sulfate crystal whiskers using non-hardening magnesia rich slags
CN106498500B (en) * 2016-10-26 2019-01-08 四川理工学院 A method of calcium sulfate crystal whiskers are prepared using non-hardening magnesia rich slags

Also Published As

Publication number Publication date
JPS575393B2 (en) 1982-01-30

Similar Documents

Publication Publication Date Title
JPS5379525A (en) Compound diaphtagm for speakers
CA1027488A (en) Crossover network for a multi-element loudspeaker
JPS5421717A (en) Diaphragm for speakers
JPS5233517A (en) Multi-way loudspeaker system
JPS524802A (en) Headphones
JPS523424A (en) Non-combustible speaker vibration plate
JPS5376823A (en) Plane driving type speaker
JPS53129023A (en) Dynamic loudspeaker
JPS5439624A (en) Diaphragm for speakers
JPS5364018A (en) Speaker system
JPS5342721A (en) Head phone driver
JPS53133018A (en) Coaxial type speaker
JPS5229724A (en) Speaker dome diaphragm
JPS5251929A (en) Diaphragm for speakers
JPS5393817A (en) Acoustic diaphragm
JPS5437722A (en) Diaphragm for speakers
JPS5263320A (en) Speaker
JPS53100221A (en) Speaker
JPS52113717A (en) Electro-acoustic transducer
JPS53133021A (en) Diaphragm for speakers
JPS53116102A (en) Acoustic reproducer
JPS53102022A (en) Speaker unit
JPS5223321A (en) Drum
JPS5427420A (en) Multiway speaker device
JPS5220295A (en) Method of manufactur of magnetic thin film