JPS62186596U - - Google Patents

Info

Publication number
JPS62186596U
JPS62186596U JP7476186U JP7476186U JPS62186596U JP S62186596 U JPS62186596 U JP S62186596U JP 7476186 U JP7476186 U JP 7476186U JP 7476186 U JP7476186 U JP 7476186U JP S62186596 U JPS62186596 U JP S62186596U
Authority
JP
Japan
Prior art keywords
magnetic
gaps
directions
voice coils
voice coil
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
JP7476186U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP7476186U priority Critical patent/JPS62186596U/ja
Publication of JPS62186596U publication Critical patent/JPS62186596U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

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

第１図および第２図はこの考案の動電型スピー
カの原理を説明するための要部の断面図およびボ
イスコイルの斜視図、第３図および第４図はこの
考案の１実施例を示し、第３図は要部の断面図、
第４図ａおよびｂは電気インピーダンス特性図お
よび出力音圧周波数特性図、第５図は従来例の一
部の断面図である。 ９……ボイスコイルボビン、１０，１１……ボ
イスコイル、１２，１３……磁気空隙、２３……
磁気回路。 Figures 1 and 2 are sectional views of essential parts and perspective views of the voice coil for explaining the principle of the electrodynamic speaker of this invention, and Figures 3 and 4 show one embodiment of this invention. , Figure 3 is a sectional view of the main part,
4a and 4b are electrical impedance characteristic diagrams and output sound pressure frequency characteristic diagrams, and FIG. 5 is a sectional view of a part of a conventional example. 9... Voice coil bobbin, 10, 11... Voice coil, 12, 13... Magnetic gap, 23...
magnetic circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気回路の磁気空隙に上下動自在に挿入された
ボイスコイルを有する動電型スピーカにおいて、
同一のボイスコイルボビンの上、下に２つのボイ
スコイルを該両ボイスコイルによるそれぞれの磁
束の向きが逆になるように設け、前記磁気空隙を
上部と下部の２つの磁気空隙とするとともに、前
記両磁気空隙の磁界の向きを逆にし、前記両ボイ
スコイルを前記両磁気空隙にそれぞれ位置させた
動電型スピーカ。 In an electrodynamic speaker having a voice coil vertically movably inserted into the magnetic gap of a magnetic circuit,
Two voice coils are provided above and below the same voice coil bobbin so that the directions of the respective magnetic fluxes from the two voice coils are opposite, and the magnetic gaps are formed into two magnetic gaps, an upper and a lower magnetic gap, and An electrodynamic speaker in which the directions of the magnetic fields in the magnetic gaps are reversed, and both voice coils are positioned in the magnetic gaps.
JP7476186U 1986-05-19 1986-05-19 Pending JPS62186596U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7476186U JPS62186596U (en) 1986-05-19 1986-05-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7476186U JPS62186596U (en) 1986-05-19 1986-05-19

Publications (1)

Publication Number Publication Date
JPS62186596U true JPS62186596U (en) 1987-11-27

Family

ID=30920277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7476186U Pending JPS62186596U (en) 1986-05-19 1986-05-19

Country Status (1)

Country Link
JP (1) JPS62186596U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008118331A (en) * 2006-11-02 2008-05-22 Matsushita Electric Ind Co Ltd Speaker
JP2014003356A (en) * 2012-06-15 2014-01-09 Junichi Kakumoto Voice coil, magnetic circuit, speaker, sound playback system and its application device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008118331A (en) * 2006-11-02 2008-05-22 Matsushita Electric Ind Co Ltd Speaker
JP2014003356A (en) * 2012-06-15 2014-01-09 Junichi Kakumoto Voice coil, magnetic circuit, speaker, sound playback system and its application device

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