JPS53124414A - Speaker and its production - Google Patents

Speaker and its production

Info

Publication number
JPS53124414A
JPS53124414A JP3902577A JP3902577A JPS53124414A JP S53124414 A JPS53124414 A JP S53124414A JP 3902577 A JP3902577 A JP 3902577A JP 3902577 A JP3902577 A JP 3902577A JP S53124414 A JPS53124414 A JP S53124414A
Authority
JP
Japan
Prior art keywords
speaker
production
elongation
diaphragm
sheet
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
JP3902577A
Other languages
Japanese (ja)
Other versions
JPS5925519B2 (en
Inventor
Norihiko Takami
Tamotsu Ito
Isao Kito
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3902577A priority Critical patent/JPS5925519B2/en
Publication of JPS53124414A publication Critical patent/JPS53124414A/en
Publication of JPS5925519B2 publication Critical patent/JPS5925519B2/en
Expired 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

Landscapes

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

Abstract

PURPOSE:To readily produce a speaker of a wide reproduction band by making the rate of elongation of a sheet of a metal or high polymer material around its central part smaller than that at its peripheral part in forming a diaphragm.
JP3902577A 1977-04-07 1977-04-07 Speaker manufacturing method Expired JPS5925519B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3902577A JPS5925519B2 (en) 1977-04-07 1977-04-07 Speaker manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3902577A JPS5925519B2 (en) 1977-04-07 1977-04-07 Speaker manufacturing method

Publications (2)

Publication Number Publication Date
JPS53124414A true JPS53124414A (en) 1978-10-30
JPS5925519B2 JPS5925519B2 (en) 1984-06-18

Family

ID=12541558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3902577A Expired JPS5925519B2 (en) 1977-04-07 1977-04-07 Speaker manufacturing method

Country Status (1)

Country Link
JP (1) JPS5925519B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56168493A (en) * 1980-05-30 1981-12-24 Pioneer Electronic Corp Production of speaker diaphragm
JPS57146493U (en) * 1981-03-10 1982-09-14
WO2004004410A1 (en) * 2002-06-26 2004-01-08 Matsushita Electric Industrial Co., Ltd. Loudspeaker edge
WO2013141373A1 (en) * 2012-03-23 2013-09-26 ヤマハ株式会社 Speaker diaphragm

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61186945A (en) * 1985-02-15 1986-08-20 Fuji Photo Film Co Ltd Photographing device
JPS61255334A (en) * 1985-05-08 1986-11-13 Toshiba Corp Ct system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56168493A (en) * 1980-05-30 1981-12-24 Pioneer Electronic Corp Production of speaker diaphragm
JPS57146493U (en) * 1981-03-10 1982-09-14
WO2004004410A1 (en) * 2002-06-26 2004-01-08 Matsushita Electric Industrial Co., Ltd. Loudspeaker edge
US7480390B2 (en) 2002-06-26 2009-01-20 Panasonic Corporation Loudspeaker edge
WO2013141373A1 (en) * 2012-03-23 2013-09-26 ヤマハ株式会社 Speaker diaphragm

Also Published As

Publication number Publication date
JPS5925519B2 (en) 1984-06-18

Similar Documents

Publication Publication Date Title
JPS542783A (en) Production of pressure or differential pressure measuring apparatus
JPS53124414A (en) Speaker and its production
JPS5278425A (en) Diaphragm for speaker
JPS5233517A (en) Multi-way loudspeaker system
JPS5470818A (en) Production of speaker diaphragm
JPS5230419A (en) Dome-type speaker and device for its making
JPS53133018A (en) Coaxial type speaker
JPS5369024A (en) Speaker
JPS5288326A (en) Microphone
JPS5251929A (en) Diaphragm for speakers
JPS5242088A (en) Crystal oscillating element
JPS5396822A (en) Production of diaphragme for speaker
JPS523423A (en) Cone type speaker
JPS5364018A (en) Speaker system
JPS51122425A (en) Speaker system
JPS51114119A (en) Omnidirectional speaker
JPS5238213A (en) Stereo microphone
JPS5369023A (en) Production of speaker baffle
JPS5212823A (en) Diaphram for speakers
JPS5437722A (en) Diaphragm for speakers
JPS5216218A (en) Speaker spider
JPS5421716A (en) Production of back electrode plate of electrostatic tape transducer
JPS524818A (en) Speaker
JPS51120355A (en) Process for making diaphragm by photoetching
JPS53102731A (en) Speaker diaphragm and its manufacture