JPS62141295U - - Google Patents
Info
- Publication number
- JPS62141295U JPS62141295U JP2875486U JP2875486U JPS62141295U JP S62141295 U JPS62141295 U JP S62141295U JP 2875486 U JP2875486 U JP 2875486U JP 2875486 U JP2875486 U JP 2875486U JP S62141295 U JPS62141295 U JP S62141295U
- Authority
- JP
- Japan
- Prior art keywords
- air gap
- voice coil
- speaker unit
- coil
- top plate
- 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
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図はこの考案によるスピーカユニツトの半
断面図、第２図は同ブロツクダイヤグラム、第３
図は励磁型スピーカに用いた図、第４図は同ブロ
ツクダイヤグラム、第５図は従来のスピーカユニ
ツトの半断面図、第６図は磁束変化を示す図であ
る。
１１……バツクプレート、１２……センタポー
ル、１３……マグネツト、１４……トツププレー
ト、１５……ボイスコイル、１６……逆相電流コ
イル、２１……アンプ、２２……微小抵抗、２３
，２４……アンプ。
Fig. 1 is a half-sectional view of the speaker unit according to this invention, Fig. 2 is a block diagram of the same, and Fig. 3 is a half-sectional view of the speaker unit according to this invention.
4 is a block diagram of the excitation type speaker, FIG. 5 is a half-sectional view of a conventional speaker unit, and FIG. 6 is a diagram showing changes in magnetic flux. 11... Back plate, 12... Center pole, 13... Magnet, 14... Top plate, 15... Voice coil, 16... Negative phase current coil, 21... Amplifier, 22... Microresistance, 23
, 24...Amplifier.
Claims (1)
ヤツプ中にボイスコイルを位置して構成したスピ
ーカユニツトにおいて、エアギヤツプの延長空間
にボイスコイルと逆相電流が印加されるコイルを
配置したことを特徴とするスピーカユニツト。 A speaker unit comprising a voice coil located in an air gap between a center pole and a top plate, characterized in that a coil to which a reverse phase current is applied to the voice coil is arranged in an extension space of the air gap. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2875486U JPS62141295U (en) | 1986-02-28 | 1986-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2875486U JPS62141295U (en) | 1986-02-28 | 1986-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62141295U true JPS62141295U (en) | 1987-09-05 |
Family
ID=30832011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2875486U Pending JPS62141295U (en) | 1986-02-28 | 1986-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62141295U (en) |
-
1986
- 1986-02-28 JP JP2875486U patent/JPS62141295U/ja active Pending