JPS6280497U - - Google Patents
Info
- Publication number
- JPS6280497U JPS6280497U JP17256885U JP17256885U JPS6280497U JP S6280497 U JPS6280497 U JP S6280497U JP 17256885 U JP17256885 U JP 17256885U JP 17256885 U JP17256885 U JP 17256885U JP S6280497 U JPS6280497 U JP S6280497U
- Authority
- JP
- Japan
- Prior art keywords
- resonance frequency
- cone
- sub
- coil bobbin
- speaker
- 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
Links
- 239000006260 foam Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図はこの考案の実施例スピーカの断面図、
第２図はこの考案の実施例スピーカのサブコーン
の上面図、第３図はこの考案の実施例スピーカの
周波数特性図、第４図はサブコーンに切り欠きを
設けないスピーカの周波数特性図、第５図は同ス
ピーカの断面図である。
５はコイルボビン、３はフレーム、２はサブコ
ーン、４１は円板部分、４２は円錐柱部分、４は
発泡体振動板である。
FIG. 1 is a sectional view of a speaker according to an embodiment of this invention.
Fig. 2 is a top view of the sub-cone of the speaker according to the embodiment of this invention, Fig. 3 is a frequency characteristic diagram of the speaker according to the embodiment of this invention, Fig. 4 is a frequency characteristic diagram of a speaker without a notch in the sub-cone, and Fig. 5 is a diagram of the frequency characteristics of the speaker according to the embodiment of this invention. The figure is a cross-sectional view of the same speaker. 5 is a coil bobbin, 3 is a frame, 2 is a sub-cone, 41 is a disk portion, 42 is a conical column portion, and 4 is a foam diaphragm.
Claims (1)
ーム３にそれぞれ結合したサブコーン２と、平面
放射面を有する円板部分４１を前記サブコーン２
に、前記円板部分４１と一体成形した円錐柱部分
４２を前記コイルボビン５にそれぞれ結合した発
泡体振動板４を具備するスピーカにおいて、前記
発泡体振動板４の第一次共振周波数ｆ１、第二次
共振周波数ｆ２およびサブコーン２の高域共振周
波数ｆ３との間にｆ１＜ｆ３＜ｆ２が成り立つよ
うにしたことを特徴とするスピーカ。 The sub-cone 2 has a top portion connected to the coil bobbin 5 and an outer peripheral portion connected to the frame 3, and a disk portion 41 having a flat radiation surface.
In the speaker including the foam diaphragm 4 in which the disk portion 41 and the conical column portion 42 integrally molded are respectively coupled to the coil bobbin 5, the primary resonance frequency f 1 of the foam diaphragm 4 is A speaker characterized in that f 1 < f 3 < f 2 holds between the secondary resonance frequency f 2 and the high-frequency resonance frequency f 3 of the sub-cone 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17256885U JPH0413913Y2 (en) | 1985-11-08 | 1985-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17256885U JPH0413913Y2 (en) | 1985-11-08 | 1985-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6280497U true JPS6280497U (en) | 1987-05-22 |
| JPH0413913Y2 JPH0413913Y2 (en) | 1992-03-30 |
Family
ID=31109226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17256885U Expired JPH0413913Y2 (en) | 1985-11-08 | 1985-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413913Y2 (en) |
-
1985
- 1985-11-08 JP JP17256885U patent/JPH0413913Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413913Y2 (en) | 1992-03-30 |