JPH03103693U - - Google Patents
Info
- Publication number
- JPH03103693U JPH03103693U JP1236090U JP1236090U JPH03103693U JP H03103693 U JPH03103693 U JP H03103693U JP 1236090 U JP1236090 U JP 1236090U JP 1236090 U JP1236090 U JP 1236090U JP H03103693 U JPH03103693 U JP H03103693U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm member
- molded
- electroacoustic transducer
- fluororesin
- 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
Links
- 239000000463 material Substances 0.000 claims 3
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図および第２図は本考案の一実施例で、第
１図はスピーカの断面図、第２図は紫外線照射時
間と引張強度保持率の比較図である。 ８……振動板、９……エツジ、１３……センタ
ーキヤツプ、１４……振動板部材。
１図はスピーカの断面図、第２図は紫外線照射時
間と引張強度保持率の比較図である。 ８……振動板、９……エツジ、１３……センタ
ーキヤツプ、１４……振動板部材。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 振動板部材を、フツ素樹脂のシート材によ
つて成形したことを特徴とする電気音響変換器用
振動板部材。 (2) 前記フツ素樹脂は発泡シート材を用いたこ
とを特徴とする電気音響変換器用振動板部材。 (3) 振動板部材を、フツ素樹脂の射出成形によ
る成形部材によつて構成したことを特徴とする電
気音響変換器用振動板部材。 (4) 前記成形部材は発泡成形した材料を用いた
ことを特徴とする電気音響変換器用振動板部材。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1236090U JPH03103693U (ja) | 1990-02-09 | 1990-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1236090U JPH03103693U (ja) | 1990-02-09 | 1990-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03103693U true JPH03103693U (ja) | 1991-10-28 |
Family
ID=31515844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1236090U Pending JPH03103693U (ja) | 1990-02-09 | 1990-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03103693U (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842171A (ja) * | 1971-10-02 | 1973-06-19 | ||
| JPS635699A (ja) * | 1986-06-25 | 1988-01-11 | Unitika Ltd | 音響用振動板 |
-
1990
- 1990-02-09 JP JP1236090U patent/JPH03103693U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4842171A (ja) * | 1971-10-02 | 1973-06-19 | ||
| JPS635699A (ja) * | 1986-06-25 | 1988-01-11 | Unitika Ltd | 音響用振動板 |