JPH0419897U - - Google Patents
Info
- Publication number
- JPH0419897U JPH0419897U JP5652490U JP5652490U JPH0419897U JP H0419897 U JPH0419897 U JP H0419897U JP 5652490 U JP5652490 U JP 5652490U JP 5652490 U JP5652490 U JP 5652490U JP H0419897 U JPH0419897 U JP H0419897U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- outer periphery
- shaped main
- magnet
- magnetically
- 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図及び第２図はこの考案に係る防磁型スピ
ーカの実施例を示し、第１図は断面図、第２図は
この考案の他の実施例の断面図、第３図は従来の
実施例の断面図である。
主な符号の説明、１……ヨーク、２……ヨーク
プレート、３……メインマグネツト、５……キヤ
ンセルマグネツト。
1 and 2 show an embodiment of a magnetically shielded speaker according to this invention, FIG. 1 is a sectional view, FIG. 2 is a sectional view of another embodiment of this invention, and FIG. 3 is a conventional implementation. FIG. 3 is an example cross-sectional view. Explanation of main symbols: 1...Yoke, 2...Yoke plate, 3...Main magnet, 5...Cancel magnet.
Claims (1)
のキヤンセルマグネツトを設けたことを特徴とす
る防磁型スピーカ。 ２ リング状のメインマグネツトの外周の少なく
とも一部分を逆着磁せしめたことを特徴とする防
磁型スピーカ。[Claims for Utility Model Registration] 1. A magnetically shielded speaker characterized in that a magnetically shielding cancel magnet is provided around the outer periphery of a ring-shaped main magnet. 2. A magnetically shielded speaker characterized in that at least a portion of the outer periphery of a ring-shaped main magnet is reversely magnetized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5652490U JPH0419897U (en) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5652490U JPH0419897U (en) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419897U true JPH0419897U (en) | 1992-02-19 |
Family
ID=31580429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5652490U Pending JPH0419897U (en) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419897U (en) |
-
1990
- 1990-05-31 JP JP5652490U patent/JPH0419897U/ja active Pending