JPH021995U - - Google Patents
Info
- Publication number
- JPH021995U JPH021995U JP8049588U JP8049588U JPH021995U JP H021995 U JPH021995 U JP H021995U JP 8049588 U JP8049588 U JP 8049588U JP 8049588 U JP8049588 U JP 8049588U JP H021995 U JPH021995 U JP H021995U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- wall thickness
- elliptical
- diameter side
- synthetic resin
- 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
- 238000001746 injection moulding Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 229920003002 synthetic resin Polymers 0.000 claims 2
- 239000000057 synthetic resin Substances 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図はこの考案の楕円形スピーカ用振動板の
実施例を示し、長径側と短径側とを同時に表現し
た断面図、第２図はこの考案の楕円形スピーカ用
振動板の他の実施例を示し、長径側と短径側とを
同時に表現した断面図、第３図は従来の楕円形ス
ピーカ用振動板の短径側の長径側の肉厚を示す断
面図である。
１……楕円形振動板、２……短径側、３……長
径側、ａ……ネツク部、ｂ……先端部。
Fig. 1 shows an embodiment of the elliptical speaker diaphragm of this invention, and is a sectional view showing the long diameter side and the short diameter side at the same time, and Fig. 2 shows another embodiment of the elliptical speaker diaphragm of this invention. An example is shown, and FIG. 3 is a sectional view showing the long diameter side and the short diameter side at the same time. FIG. 3 is a sectional view showing the wall thickness of the short diameter side and the long diameter side of a conventional elliptical speaker diaphragm. DESCRIPTION OF SYMBOLS 1...Oval diaphragm, 2... Short diameter side, 3... Long diameter side, a... Neck part, b... Tip part.
Claims (1)
の振動板を成形するに際し、長径側の肉厚を短径
側の肉厚よりも厚くしたことを特徴とする楕円形
スピーカ用振動板。 (2) 合成樹脂材料をもつて射出成形にて楕円形
の振動板を成形するに際し、ネツクから先端方向
に向けて肉厚を次第に薄くしたことを特徴とする
楕円形スピーカ用振動板。[Claims for Utility Model Registration] (1) When molding an elliptical diaphragm using synthetic resin material by injection molding, the feature is that the wall thickness on the longer diameter side is thicker than the wall thickness on the shorter diameter side. A diaphragm for an oval speaker. (2) An elliptical speaker diaphragm characterized in that the elliptical diaphragm is molded from a synthetic resin material by injection molding, and the wall thickness is gradually reduced from the neck toward the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8049588U JPH021995U (en) | 1988-06-17 | 1988-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8049588U JPH021995U (en) | 1988-06-17 | 1988-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021995U true JPH021995U (en) | 1990-01-09 |
Family
ID=31305321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8049588U Pending JPH021995U (en) | 1988-06-17 | 1988-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013162214A (en) * | 2012-02-02 | 2013-08-19 | Mitsubishi Electric Corp | Diaphragm, speaker using the same, and manufacturing method of diaphragm |
-
1988
- 1988-06-17 JP JP8049588U patent/JPH021995U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013162214A (en) * | 2012-02-02 | 2013-08-19 | Mitsubishi Electric Corp | Diaphragm, speaker using the same, and manufacturing method of diaphragm |
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