JPS52111715A - Speaker device - Google Patents

Speaker device

Info

Publication number
JPS52111715A
JPS52111715A JP2875976A JP2875976A JPS52111715A JP S52111715 A JPS52111715 A JP S52111715A JP 2875976 A JP2875976 A JP 2875976A JP 2875976 A JP2875976 A JP 2875976A JP S52111715 A JPS52111715 A JP S52111715A
Authority
JP
Japan
Prior art keywords
speaker device
voice coil
jointing
diaphragm
radiation
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.)
Pending
Application number
JP2875976A
Other languages
Japanese (ja)
Inventor
Tsuneo Nitta
Norio Mogi
Kazuo Suzuki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2875976A priority Critical patent/JPS52111715A/en
Publication of JPS52111715A publication Critical patent/JPS52111715A/en
Pending 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

PURPOSE:To improve the radiation of a voice coil and make its high input possible by jointing the diaphragm, which is made of foamed metal, to a voice coil bobbin having excellent heat conductivity.
JP2875976A 1976-03-17 1976-03-17 Speaker device Pending JPS52111715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2875976A JPS52111715A (en) 1976-03-17 1976-03-17 Speaker device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2875976A JPS52111715A (en) 1976-03-17 1976-03-17 Speaker device

Publications (1)

Publication Number Publication Date
JPS52111715A true JPS52111715A (en) 1977-09-19

Family

ID=12257327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2875976A Pending JPS52111715A (en) 1976-03-17 1976-03-17 Speaker device

Country Status (1)

Country Link
JP (1) JPS52111715A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54108621A (en) * 1978-02-13 1979-08-25 Sanyo Electric Co Ltd Speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54108621A (en) * 1978-02-13 1979-08-25 Sanyo Electric Co Ltd Speaker

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