JPS56107698A - Dynamic loudspeaker - Google Patents

Dynamic loudspeaker

Info

Publication number
JPS56107698A
JPS56107698A JP1078580A JP1078580A JPS56107698A JP S56107698 A JPS56107698 A JP S56107698A JP 1078580 A JP1078580 A JP 1078580A JP 1078580 A JP1078580 A JP 1078580A JP S56107698 A JPS56107698 A JP S56107698A
Authority
JP
Japan
Prior art keywords
winding
voice coil
width
increased
constitution
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
JP1078580A
Other languages
Japanese (ja)
Inventor
Kazumasa Yamamoto
Takahisa Aoi
Teruo Kobayashi
Katsunori Fujimura
Mitsuhiro Hasegawa
Nobuhisa Atoji
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 JP1078580A priority Critical patent/JPS56107698A/en
Publication of JPS56107698A publication Critical patent/JPS56107698A/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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction

Abstract

PURPOSE:To reduce driving force distortion by winding a coil length per each width unit of a voice coil so that it is increased gradually as it goes on from the center part to both the ends, over the winding width of the voice coil. CONSTITUTION:The winding width of the voice coil 10 is made wider than the thickness of a plate magnetic pole 4. As for this voice coil 10, the number of winding is increased in the winding width direction as it approaches to both end parts, by grading the number of winding of the voice coil. That is to say, the voice coil length per each winding width in the voice coil winding length is increased in order as it goes on from the center part to both ends. According to such a constitution, the driving force distortion is reduced by compensating the unequality of void magnetic flux density distribution of the magnetic circuit.
JP1078580A 1980-01-30 1980-01-30 Dynamic loudspeaker Pending JPS56107698A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1078580A JPS56107698A (en) 1980-01-30 1980-01-30 Dynamic loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1078580A JPS56107698A (en) 1980-01-30 1980-01-30 Dynamic loudspeaker

Publications (1)

Publication Number Publication Date
JPS56107698A true JPS56107698A (en) 1981-08-26

Family

ID=11759983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1078580A Pending JPS56107698A (en) 1980-01-30 1980-01-30 Dynamic loudspeaker

Country Status (1)

Country Link
JP (1) JPS56107698A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58106997A (en) * 1981-12-21 1983-06-25 Sony Corp Dynamic speaker
KR100717061B1 (en) 2005-12-08 2007-05-10 삼성전자주식회사 Loudspeaker
CN104219606A (en) * 2014-08-15 2014-12-17 宁波音王电声股份有限公司 Ultra-long magnetic field moving-coil speaker
CN112055289A (en) * 2020-06-29 2020-12-08 歌尔股份有限公司 Voice coil and sound generating device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58106997A (en) * 1981-12-21 1983-06-25 Sony Corp Dynamic speaker
JPH0472439B2 (en) * 1981-12-21 1992-11-18 Sony Corp
KR100717061B1 (en) 2005-12-08 2007-05-10 삼성전자주식회사 Loudspeaker
CN104219606A (en) * 2014-08-15 2014-12-17 宁波音王电声股份有限公司 Ultra-long magnetic field moving-coil speaker
CN112055289A (en) * 2020-06-29 2020-12-08 歌尔股份有限公司 Voice coil and sound generating device

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