JPS58129795U - electroacoustic transducer - Google Patents
electroacoustic transducerInfo
- Publication number
- JPS58129795U JPS58129795U JP2559982U JP2559982U JPS58129795U JP S58129795 U JPS58129795 U JP S58129795U JP 2559982 U JP2559982 U JP 2559982U JP 2559982 U JP2559982 U JP 2559982U JP S58129795 U JPS58129795 U JP S58129795U
- Authority
- JP
- Japan
- Prior art keywords
- electroacoustic transducer
- diaphragm
- inner case
- sound hole
- hole formed
- 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
Links
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance 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
図面は本考案の一実施例を示し、第1図は電気音響変換
器の平面図、第2図は当該変換器の正面図、第3図は当
該変換器の一部切欠き右側面図、第4図は第1図上のA
−A線断面図、第5図は実験結果を示す周波数特性図で
ある。
1・・・外ケース、1a・・・音孔、2・・・内ケース
、2a ’・・・音孔、3・・・フレーム、4・
・・ヨーク、5・・・ポールピース、6・・・コイル、
7・・・永久、磁石、8・・・振動板、9・・・プリン
ト基板、lla、llb・・・端子。The drawings show an embodiment of the present invention, in which Fig. 1 is a plan view of an electroacoustic transducer, Fig. 2 is a front view of the transducer, and Fig. 3 is a partially cutaway right side view of the transducer. Figure 4 is A on Figure 1.
- A cross-sectional view and FIG. 5 are frequency characteristic diagrams showing experimental results. 1... Outer case, 1a... Sound hole, 2... Inner case, 2a'... Sound hole, 3... Frame, 4...
...Yoke, 5...Pole piece, 6...Coil,
7... Permanent, magnet, 8... Vibration plate, 9... Printed circuit board, lla, llb... terminal.
Claims (1)
を包囲し、この振動板の前方に第1共振空間を形成する
内ケースと、この内ケースとで第2共振空間を形成する
外ケースと、第1、第2共振空間を連通させるように内
ケースに形成]−た音孔と、振動板の振動方向と直交す
る方向の外ケース位置に形成した器外に連通させた音孔
とを有する電気音響変換器。In an electromagnetic electroacoustic transducer equipped with a diaphragm, an inner case surrounds the diaphragm and forms a first resonance space in front of the diaphragm, and an outer case forms a second resonance space with the inner case. and a sound hole formed in the inner case so as to communicate the first and second resonance spaces, and a sound hole formed in the outer case in a direction perpendicular to the vibration direction of the diaphragm and communicating with the outside of the device. An electroacoustic transducer having an electroacoustic transducer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2559982U JPS58129795U (en) | 1982-02-26 | 1982-02-26 | electroacoustic transducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2559982U JPS58129795U (en) | 1982-02-26 | 1982-02-26 | electroacoustic transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58129795U true JPS58129795U (en) | 1983-09-02 |
Family
ID=30037569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2559982U Pending JPS58129795U (en) | 1982-02-26 | 1982-02-26 | electroacoustic transducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58129795U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652719U (en) * | 1979-09-29 | 1981-05-09 | ||
JPS5654699U (en) * | 1979-10-05 | 1981-05-13 |
-
1982
- 1982-02-26 JP JP2559982U patent/JPS58129795U/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5652719U (en) * | 1979-09-29 | 1981-05-09 | ||
JPS5654699U (en) * | 1979-10-05 | 1981-05-13 |
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