JPS61396U - flat speaker - Google Patents

flat speaker

Info

Publication number
JPS61396U
JPS61396U JP8336484U JP8336484U JPS61396U JP S61396 U JPS61396 U JP S61396U JP 8336484 U JP8336484 U JP 8336484U JP 8336484 U JP8336484 U JP 8336484U JP S61396 U JPS61396 U JP S61396U
Authority
JP
Japan
Prior art keywords
magnetic pole
diaphragm
mounting hole
voice coil
magnetic
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
JP8336484U
Other languages
Japanese (ja)
Other versions
JPH0241992Y2 (en
Inventor
土紀典 和田
Original Assignee
オンキヨー株式会社
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 オンキヨー株式会社 filed Critical オンキヨー株式会社
Priority to JP8336484U priority Critical patent/JPS61396U/en
Publication of JPS61396U publication Critical patent/JPS61396U/en
Application granted granted Critical
Publication of JPH0241992Y2 publication Critical patent/JPH0241992Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図、ａ， ｂおよび第２図は本考案平板型スピーカ
ーの正面図、断面図、および要部分解斜視図、第３図ａ
，ｂはそれぞれ従来例の断面図である。 ■は振動板、１１はボイスコイルの取付孔、１２は切欠
部、１３は振動板本体、Ｔは磁気回路、２１はマグネッ
ト、２２は中心磁極、２３は下部プレート、２４は外部
磁極、３はボイスコイル、４はフレームである。Figures 1, a, b and 2 are a front view, a sectional view, and an exploded perspective view of the main parts of the flat speaker of the present invention, and Figure 3 a
, b are sectional views of conventional examples. ■ is a diaphragm, 11 is a voice coil mounting hole, 12 is a notch, 13 is a diaphragm body, T is a magnetic circuit, 21 is a magnet, 22 is a center magnetic pole, 23 is a lower plate, 24 is an external magnetic pole, 3 is a Voice coil, 4 is a frame.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 平板型の振動板本体１３の所定位置にボイスコイル３の
取付孔１１を穿設し、当該取付孔１１の周辺複数箇所に
外部磁極２４貫挿用の切欠部１２を形成し、当該切欠部
１２において架橋するごとくにして前記取付孔１１内周
にボイスコイル３を貼着した振動板Ｔと、マグネット２
１、中心磁極２２、当該中心磁極２２に対向し、且つ前
記切欠部１２に対応して放射状に配置した外部磁極２４
、および外部磁極２４を結合する下部プレート２３とか
らなる磁気回路Ｔを有し、当該磁気回路Ｔの外部磁極２
４を振動板Ｔの切欠部１２に、また、中心磁極２２を取
付孔１１にそれぞれ貫挿して外部磁極２４と中心磁極２
２とで形成される磁気空隙２５内にボイスコイル３が位
置するごとくに振動板１と磁気回路２とをフレーム４で
保持した構成を有することを特徴とする平板型スピーカ
ー。A mounting hole 11 for the voice coil 3 is formed at a predetermined position in the flat plate-shaped diaphragm body 13, and cutouts 12 for inserting the external magnetic pole 24 are formed at multiple locations around the mounting hole 11. A diaphragm T with a voice coil 3 attached to the inner periphery of the mounting hole 11 so as to be bridged at the diaphragm T, and a magnet 2
1. A central magnetic pole 22, and external magnetic poles 24 facing the central magnetic pole 22 and arranged radially in correspondence with the notch 12.
, and a lower plate 23 that couples an external magnetic pole 24, the external magnetic pole 2 of the magnetic circuit T has a
4 into the notch 12 of the diaphragm T, and the center magnetic pole 22 into the mounting hole 11, respectively, to connect the outer magnetic pole 24 and the center magnetic pole 2.
1. A flat-plate speaker characterized by having a structure in which a diaphragm 1 and a magnetic circuit 2 are held by a frame 4 such that a voice coil 3 is located in a magnetic gap 25 formed by the diaphragm 1 and the magnetic circuit 2.
JP8336484U 1984-06-04 1984-06-04 flat speaker Granted JPS61396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8336484U JPS61396U (en) 1984-06-04 1984-06-04 flat speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8336484U JPS61396U (en) 1984-06-04 1984-06-04 flat speaker

Publications (2)

Publication Number Publication Date
JPS61396U true JPS61396U (en) 1986-01-06
JPH0241992Y2 JPH0241992Y2 (en) 1990-11-08

Family

ID=30631927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8336484U Granted JPS61396U (en) 1984-06-04 1984-06-04 flat speaker

Country Status (1)

Country Link
JP (1) JPS61396U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017149984A1 (en) * 2016-02-29 2017-09-08 パナソニックＩｐマネジメント株式会社 Speaker
WO2019073697A1 (en) * 2017-10-13 2019-04-18 フォスター電機株式会社 Speaker unit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017149984A1 (en) * 2016-02-29 2017-09-08 パナソニックＩｐマネジメント株式会社 Speaker
JPWO2017149984A1 (en) * 2016-02-29 2018-12-20 パナソニックＩｐマネジメント株式会社 Speaker
WO2019073697A1 (en) * 2017-10-13 2019-04-18 フォスター電機株式会社 Speaker unit
CN111194560A (en) * 2017-10-13 2020-05-22 丰达电机株式会社 Speaker unit
JPWO2019073697A1 (en) * 2017-10-13 2020-10-22 フォスター電機株式会社 Speaker unit
EP3697105A4 (en) * 2017-10-13 2020-12-09 Foster Electric Co. Ltd. Speaker unit
CN111194560B (en) * 2017-10-13 2022-02-22 丰达电机株式会社 Speaker unit

Also Published As

Publication number Publication date
JPH0241992Y2 (en) 1990-11-08

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