JPS51113726A - Loud speaker - Google Patents

Loud speaker

Info

Publication number
JPS51113726A
JPS51113726A JP3805375A JP3805375A JPS51113726A JP S51113726 A JPS51113726 A JP S51113726A JP 3805375 A JP3805375 A JP 3805375A JP 3805375 A JP3805375 A JP 3805375A JP S51113726 A JPS51113726 A JP S51113726A
Authority
JP
Japan
Prior art keywords
loud speaker
offer
stable performance
against external
performance against
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
JP3805375A
Other languages
Japanese (ja)
Inventor
Norihiko Takami
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 JP3805375A priority Critical patent/JPS51113726A/en
Publication of JPS51113726A publication Critical patent/JPS51113726A/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
    • H04R9/025—Magnetic circuit

Landscapes

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

Abstract

PURPOSE:To offer a loud speaker with stable performance against external mechanical impact.
JP3805375A 1975-03-31 1975-03-31 Loud speaker Pending JPS51113726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3805375A JPS51113726A (en) 1975-03-31 1975-03-31 Loud speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3805375A JPS51113726A (en) 1975-03-31 1975-03-31 Loud speaker

Publications (1)

Publication Number Publication Date
JPS51113726A true JPS51113726A (en) 1976-10-07

Family

ID=12514764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3805375A Pending JPS51113726A (en) 1975-03-31 1975-03-31 Loud speaker

Country Status (1)

Country Link
JP (1) JPS51113726A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006082874A1 (en) * 2005-02-07 2006-08-10 Matsushita Electric Industrial Co., Ltd. Speaker, and electronic apparatus and device using the same
JP2006217451A (en) * 2005-02-07 2006-08-17 Matsushita Electric Ind Co Ltd Speaker and electronic equipment, and apparatus using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006082874A1 (en) * 2005-02-07 2006-08-10 Matsushita Electric Industrial Co., Ltd. Speaker, and electronic apparatus and device using the same
JP2006217451A (en) * 2005-02-07 2006-08-17 Matsushita Electric Ind Co Ltd Speaker and electronic equipment, and apparatus using the same

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