JPH01135892U - - Google Patents

Info

Publication number
JPH01135892U
JPH01135892U JP3197988U JP3197988U JPH01135892U JP H01135892 U JPH01135892 U JP H01135892U JP 3197988 U JP3197988 U JP 3197988U JP 3197988 U JP3197988 U JP 3197988U JP H01135892 U JPH01135892 U JP H01135892U
Authority
JP
Japan
Prior art keywords
bobbin
equalizer
electroacoustic transducer
edge portion
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.)
Pending
Application number
JP3197988U
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 JP3197988U priority Critical patent/JPH01135892U/ja
Publication of JPH01135892U publication Critical patent/JPH01135892U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Description

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

第１図は本考案の一実施例を示す全体縦断面図
、第２図は本考案の要部を示す拡大縦断面図、第
３図は本考案の他の実施例の要部を示す拡大縦断
面図、第４図および第５図は従来の電気音響変換
器の一例を示す図であつて、第４図は全体縦断面
図および第５図は一部拡大縦断面図、第６図は電
気音響変換器の出力音圧周波数特性（ｆ特性）を
示す説明図である。 １……ヨーク、２……永久磁石、３……イコラ
イザー、４……貫通孔、５……スロート、６……
埋込みボルト、７……振動板、７ａ，７ｂ……エ
ツジ部、８……ボビン、９……プレート、１０…
…ボイスコイル、１１……磁気ギヤツプ、１２…
…センターリング、１３……スペーサー、１４…
…音道。 Fig. 1 is an overall vertical sectional view showing one embodiment of the invention, Fig. 2 is an enlarged longitudinal sectional view showing the main parts of the invention, and Fig. 3 is an enlarged view showing the main parts of another embodiment of the invention. 4 and 5 are views showing an example of a conventional electroacoustic transducer, in which FIG. 4 is an overall longitudinal sectional view, FIG. 5 is a partially enlarged longitudinal sectional view, and FIG. 6 is a longitudinal sectional view. FIG. 2 is an explanatory diagram showing the output sound pressure frequency characteristic (f characteristic) of the electroacoustic transducer. 1... Yoke, 2... Permanent magnet, 3... Equalizer, 4... Through hole, 5... Throat, 6...
Embedded bolt, 7... Vibration plate, 7a, 7b... Edge portion, 8... Bobbin, 9... Plate, 10...
...Voice coil, 11...Magnetic gap, 12...
...Center ring, 13...Spacer, 14...
…Ondo.

Claims (1)

【実用新案登録請求の範囲】 (1) 半球状のイコライザーの外周面に沿つて所
定の間隙をもつて配設される半球状の振動板と、
この振動板の外周端部に接合される円筒状のボビ
ンと、このボビンに向かつて突設される先細りの
プレートと、このプレートの下方に設けられ、前
記イコライザーを位置決めするセンターリングと
を備え、前記プレートとイコライザーとの相対向
するボビンの外周にボイスコイルを巻回してなる
電気音響変換器において、前記ボビンの下端外側
にエツジ部を形成し、このエツジ部の外周端部を
スペーサーを介してセンターリングの上面に近接
させて固着・保持させることを特徴とする電気音
響変換器。 (2) 実用新案登録請求の範囲第１項において、
前記振動板とボビンの接合部の外方に水平方向に
伸びるエツジ部を配設してなる電気音響変換器。[Claims for Utility Model Registration] (1) A hemispherical diaphragm disposed with a predetermined gap along the outer circumferential surface of a hemispherical equalizer;
A cylindrical bobbin joined to the outer peripheral end of the diaphragm, a tapered plate protruding toward the bobbin, and a center ring provided below the plate for positioning the equalizer, In an electroacoustic transducer in which a voice coil is wound around the outer periphery of a bobbin where the plate and the equalizer face each other, an edge portion is formed on the outside of the lower end of the bobbin, and the outer periphery of the edge portion is connected with a spacer. An electroacoustic transducer characterized by being fixed and held close to the upper surface of a center ring. (2) In paragraph 1 of the claims for utility model registration,
An electroacoustic transducer comprising an edge portion extending in a horizontal direction outward from a joint portion between the diaphragm and the bobbin.
JP3197988U 1988-03-10 1988-03-10 Pending JPH01135892U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3197988U JPH01135892U (en) 1988-03-10 1988-03-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3197988U JPH01135892U (en) 1988-03-10 1988-03-10

Publications (1)

Publication Number Publication Date
JPH01135892U true JPH01135892U (en) 1989-09-18

Family

ID=31258245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3197988U Pending JPH01135892U (en) 1988-03-10 1988-03-10

Country Status (1)

Country Link
JP (1) JPH01135892U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS617196B2 (en) * 1977-12-27 1986-03-04 Asahi Glass Co Ltd
JPS6330097B2 (en) * 1986-02-26 1988-06-16 Hashiba Tetsuko Kk

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS617196B2 (en) * 1977-12-27 1986-03-04 Asahi Glass Co Ltd
JPS6330097B2 (en) * 1986-02-26 1988-06-16 Hashiba Tetsuko Kk

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