JPS6157694U - - Google Patents
Info
- Publication number
- JPS6157694U JPS6157694U JP13964784U JP13964784U JPS6157694U JP S6157694 U JPS6157694 U JP S6157694U JP 13964784 U JP13964784 U JP 13964784U JP 13964784 U JP13964784 U JP 13964784U JP S6157694 U JPS6157694 U JP S6157694U
- Authority
- JP
- Japan
- Prior art keywords
- speaker unit
- magnetic
- internal
- magnetic flux
- frame opening
- 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
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図、第２図は本考案の一実施例を示す図で
、第１図は正面図、第２図は要部説明図、第３図
は従来の内磁型スピーカユニツトを示す正面図で
ある。
１…フレーム、１ａ…フレーム開口部、２…ヨ
ーク、３…マグネツト、４…ポール、５…ボイス
コイル、６…エアギヤツプ、７…導電性リング、
８…交流漏洩磁束、９…渦電流、１０…打ち消し
磁束。
Fig. 1 and Fig. 2 are views showing an embodiment of the present invention, Fig. 1 is a front view, Fig. 2 is an explanatory view of main parts, and Fig. 3 is a front view showing a conventional internal magnet type speaker unit. It is. DESCRIPTION OF SYMBOLS 1... Frame, 1a... Frame opening, 2... Yoke, 3... Magnet, 4... Pole, 5... Voice coil, 6... Air gap, 7... Conductive ring,
8... AC leakage magnetic flux, 9... Eddy current, 10... Cancellation magnetic flux.
Claims (1)
束の外部への漏洩を防いだことを特徴とする内磁
型スピーカユニツト。 (2) 前記リングの外径がフレーム開口部より小
さいことを特徴とする実用新案登録請求の範囲第
１項記載の内磁型スピーカユニツト。[Claims for Utility Model Registration] (1) An internal magnetic speaker unit characterized by having a conductive ring attached to the outer periphery of the magnetic circuit to prevent leakage of magnetic flux to the outside. (2) The internal magnet type speaker unit according to claim 1, wherein the outer diameter of the ring is smaller than the frame opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13964784U JPS6157694U (en) | 1984-09-14 | 1984-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13964784U JPS6157694U (en) | 1984-09-14 | 1984-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6157694U true JPS6157694U (en) | 1986-04-18 |
Family
ID=30698024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13964784U Pending JPS6157694U (en) | 1984-09-14 | 1984-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6157694U (en) |
-
1984
- 1984-09-14 JP JP13964784U patent/JPS6157694U/ja active Pending