JPH01108696U - - Google Patents

Info

Publication number
JPH01108696U
JPH01108696U JP329688U JP329688U JPH01108696U JP H01108696 U JPH01108696 U JP H01108696U JP 329688 U JP329688 U JP 329688U JP 329688 U JP329688 U JP 329688U JP H01108696 U JPH01108696 U JP H01108696U
Authority
JP
Japan
Prior art keywords
frame
pole part
plate
holes
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
JP329688U
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 JP329688U priority Critical patent/JPH01108696U/ja
Publication of JPH01108696U publication Critical patent/JPH01108696U/ja
Pending legal-status Critical Current

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Landscapes

  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)

Description

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

第1図は本考案実施例の断面図、第2図は同実
施例の一部切欠斜視図、第3図は従来例の断面図
である。 1はフレーム、2はヨーク、3は音声コイル、
4は振動板、5は漏孔、6はスリツト、7は貫通
孔である。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a partially cutaway perspective view of the same embodiment, and FIG. 3 is a sectional view of a conventional example. 1 is the frame, 2 is the yoke, 3 is the voice coil,
4 is a diaphragm, 5 is a leakage hole, 6 is a slit, and 7 is a through hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 変換器の主軸方向に着磁されたリング状プラス
チツクマグネツトからなるフレーム1と、該フレ
ーム1の底面に固定され且つ該フレーム1底面と
の対向部に複数個の漏孔5が穿設されている板状
部2aと該板状部2aの中心部に突設されたポー
ル部2bとからなるヨーク2と、該ポール部2b
に巻回されている音声コイル3と、前記ポール部
2bと対向する部位若しくは全体が磁性体板から
なり且つ該ポール部2bと僅かな間隙を隔ててフ
レーム1に保持されている振動板4とからなり、
前記フレーム1の振動板4の背部で且つ前記複数
個の漏孔5とは異なる位置に音響質量となる複数
個の貫通孔7が穿設されると共に、フレーム1の
底面と前記板状部2aとの間に漏孔5と貫通孔7
とを連通させるスリツト6が形成されていること
を特徴とする電気音響変換器。
A frame 1 made of a ring-shaped plastic magnet magnetized in the direction of the main axis of the converter, and a plurality of leak holes 5 fixed to the bottom surface of the frame 1 and bored in a portion facing the bottom surface of the frame 1. A yoke 2 consisting of a plate-like part 2a and a pole part 2b protruding from the center of the plate-like part 2a, and the pole part 2b.
a voice coil 3 wound around the pole part 2b, and a diaphragm 4 whose entire portion or part facing the pole part 2b is made of a magnetic plate and which is held on the frame 1 with a slight gap from the pole part 2b. Consisting of
A plurality of through holes 7 serving as acoustic masses are bored at the back of the diaphragm 4 of the frame 1 and at positions different from the plurality of leak holes 5, and the bottom surface of the frame 1 and the plate-shaped portion 2a leak hole 5 and through hole 7 between
An electroacoustic transducer characterized in that a slit 6 is formed to communicate with the electroacoustic transducer.
JP329688U 1988-01-13 1988-01-13 Pending JPH01108696U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP329688U JPH01108696U (en) 1988-01-13 1988-01-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP329688U JPH01108696U (en) 1988-01-13 1988-01-13

Publications (1)

Publication Number Publication Date
JPH01108696U true JPH01108696U (en) 1989-07-24

Family

ID=31204806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP329688U Pending JPH01108696U (en) 1988-01-13 1988-01-13

Country Status (1)

Country Link
JP (1) JPH01108696U (en)

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