JPS58106996A - スピ−カ - Google Patents

スピ−カ

Info

Publication number
JPS58106996A
JPS58106996A JP56205454A JP20545481A JPS58106996A JP S58106996 A JPS58106996 A JP S58106996A JP 56205454 A JP56205454 A JP 56205454A JP 20545481 A JP20545481 A JP 20545481A JP S58106996 A JPS58106996 A JP S58106996A
Authority
JP
Japan
Prior art keywords
magnetic
voice coil
speaker
coil
diaphragm
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
JP56205454A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6217439B2 (enExample
Inventor
Shinichi Oki
信一 大木
Kiyoshi Yamagishi
清 山岸
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 JP56205454A priority Critical patent/JPS58106996A/ja
Publication of JPS58106996A publication Critical patent/JPS58106996A/ja
Publication of JPS6217439B2 publication Critical patent/JPS6217439B2/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H04R9/027—Air gaps using a magnetic fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP56205454A 1981-12-18 1981-12-18 スピ−カ Granted JPS58106996A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56205454A JPS58106996A (ja) 1981-12-18 1981-12-18 スピ−カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56205454A JPS58106996A (ja) 1981-12-18 1981-12-18 スピ−カ

Publications (2)

Publication Number Publication Date
JPS58106996A true JPS58106996A (ja) 1983-06-25
JPS6217439B2 JPS6217439B2 (enExample) 1987-04-17

Family

ID=16507142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56205454A Granted JPS58106996A (ja) 1981-12-18 1981-12-18 スピ−カ

Country Status (1)

Country Link
JP (1) JPS58106996A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61245796A (ja) * 1985-04-24 1986-11-01 Pioneer Electronic Corp スピ−カ用センタ−キヤツプ
WO2006013966A1 (ja) * 2004-08-06 2006-02-09 Ferrotec Corporation 磁性流体が充填されたスピーカ
WO2019031353A1 (ja) * 2017-08-08 2019-02-14 パナソニックＩｐマネジメント株式会社 スピーカおよび音響装置
JP2019033482A (ja) * 2017-08-08 2019-02-28 パナソニックＩｐマネジメント株式会社 スピーカおよび音響装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04201745A (ja) * 1990-11-30 1992-07-22 Oki Electric Ind Co Ltd 自動車用パワーシート

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61245796A (ja) * 1985-04-24 1986-11-01 Pioneer Electronic Corp スピ−カ用センタ−キヤツプ
WO2006013966A1 (ja) * 2004-08-06 2006-02-09 Ferrotec Corporation 磁性流体が充填されたスピーカ
WO2019031353A1 (ja) * 2017-08-08 2019-02-14 パナソニックＩｐマネジメント株式会社 スピーカおよび音響装置
JP2019033482A (ja) * 2017-08-08 2019-02-28 パナソニックＩｐマネジメント株式会社 スピーカおよび音響装置

Also Published As

Publication number Publication date
JPS6217439B2 (enExample) 1987-04-17

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