JPH042196U - - Google Patents
Info
- Publication number
- JPH042196U JPH042196U JP1990042558U JP4255890U JPH042196U JP H042196 U JPH042196 U JP H042196U JP 1990042558 U JP1990042558 U JP 1990042558U JP 4255890 U JP4255890 U JP 4255890U JP H042196 U JPH042196 U JP H042196U
- Authority
- JP
- Japan
- Prior art keywords
- speaker box
- voice coil
- speaker
- coil
- box
- 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
- 230000002093 peripheral effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
図面はいずれも本考案の実施例の説明図であつ
て、第１図は第１考案の、第２図は第２考案の、
第３図は第３考案の、第４図は第４考案のそれぞ
れ断面図、第５図ａ、第５図ｂはそれぞれ本考案
のキヤンセルコイルの電気接続図である。
図中、１はスピーカボツクス、２はスピーカユ
ニツト、２ａはボイスコイル、２ｂは磁気回路、
２ｃは磁気空隙、２ｄは振動板、３はキヤンセル
コイル、４はシールド板である。
The drawings are all explanatory diagrams of the embodiments of the present invention, and FIG. 1 is of the first invention, FIG. 2 is of the second invention, and FIG.
3 is a sectional view of the third invention, FIG. 4 is a sectional view of the fourth invention, and FIGS. 5a and 5b are electrical connection diagrams of the cancel coil of the present invention, respectively. In the figure, 1 is a speaker box, 2 is a speaker unit, 2a is a voice coil, 2b is a magnetic circuit,
2c is a magnetic gap, 2d is a diaphragm, 3 is a cancel coil, and 4 is a shield plate.
Claims (1)
ーカユニツト２のボイスコイル２ａと同軸方向に
巻回し、ボイスコイル２ａの音声電流を流すキヤ
ンセルコイル３を、前記のスピーカボツクス１の
外周側面に配設した低漏洩スピーカボツクス。 外周側面に電磁シールド材４を被覆した、ス
ピーカボツクス１に内蔵される防磁型スピーカユ
ニツト２のボイスコイル２ａと同軸方向に巻回し
、ボイスコイル２ａの音声電流を流すキヤンセル
コイル３を、前記のスピーカボツクス１の電磁シ
ールド材４の外周側面に配設した低漏洩スピーカ
ボツクス。 スピーカボツクス１に内蔵される防磁型スピ
ーカユニツト２のボイスコイル２ａと同軸方向に
巻回し、ボイスコイル２ａの音声電流を流すキヤ
ンセルコイル３を、前記のスピーカボツクス１の
背面板外側面に配設した低漏洩スピーカボツクス
。 スピーカボツクス１に内蔵される防磁型スピ
ーカユニツト２のボイスコイル２ａと同軸方向に
巻回し、ボイスコイル２ａの音声電流を流すキヤ
ンセルコイル３を、前記のスピーカボツクス１の
後部内周側面に配設した低漏洩スピーカボツクス
。[Claims for Utility Model Registration] A cancel coil 3 which is wound coaxially with the voice coil 2a of the magnetically shielded speaker unit 2 built in the speaker box 1 and which conducts the audio current of the voice coil 2a is connected to the speaker box 1. Low leakage speaker box placed on the outer side. The cancel coil 3, which is wound coaxially with the voice coil 2a of the magnetically shielded speaker unit 2 built into the speaker box 1 and whose outer peripheral side surface is coated with an electromagnetic shielding material 4, and which conducts the audio current of the voice coil 2a, is attached to the above-mentioned speaker. A low leakage speaker box is arranged on the outer peripheral side of the electromagnetic shielding material 4 of the box 1. A cancel coil 3, which is wound coaxially with the voice coil 2a of the magnetically shielded speaker unit 2 built into the speaker box 1, and which conducts the audio current of the voice coil 2a, is arranged on the outer surface of the rear panel of the speaker box 1. Low leakage speaker box. A cancel coil 3, which is wound coaxially with the voice coil 2a of the magnetically shielded speaker unit 2 built in the speaker box 1, and which conducts the audio current of the voice coil 2a, is arranged on the rear inner peripheral side of the speaker box 1. Low leakage speaker box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990042558U JPH042196U (en) | 1990-04-20 | 1990-04-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990042558U JPH042196U (en) | 1990-04-20 | 1990-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042196U true JPH042196U (en) | 1992-01-09 |
Family
ID=31554207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990042558U Pending JPH042196U (en) | 1990-04-20 | 1990-04-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042196U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06294112A (en) * | 1993-01-28 | 1994-10-21 | Giken Kogyo Kk | Fish-nest block |
| JP2005260901A (en) * | 2004-03-10 | 2005-09-22 | Shoji Osawa | Acoustic apparatus reducing sound quality deterioration caused by electromagnetic wave generated from inside of acoustic apparatus, and method thereof |
| JP2009538524A (en) * | 2006-05-25 | 2009-11-05 | ユンタク シン | General-purpose electromagnetic countering system and method |
-
1990
- 1990-04-20 JP JP1990042558U patent/JPH042196U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06294112A (en) * | 1993-01-28 | 1994-10-21 | Giken Kogyo Kk | Fish-nest block |
| JP2005260901A (en) * | 2004-03-10 | 2005-09-22 | Shoji Osawa | Acoustic apparatus reducing sound quality deterioration caused by electromagnetic wave generated from inside of acoustic apparatus, and method thereof |
| JP2009538524A (en) * | 2006-05-25 | 2009-11-05 | ユンタク シン | General-purpose electromagnetic countering system and method |
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