JPS58129796U - Electromagnetic buzzer - Google Patents
Electromagnetic buzzerInfo
- Publication number
- JPS58129796U JPS58129796U JP2602882U JP2602882U JPS58129796U JP S58129796 U JPS58129796 U JP S58129796U JP 2602882 U JP2602882 U JP 2602882U JP 2602882 U JP2602882 U JP 2602882U JP S58129796 U JPS58129796 U JP S58129796U
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic buzzer
- permanent magnet
- peripheral surface
- coil
- outer peripheral
- 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
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来構成を示す断面図、第２図は本考案による
構成を示す断面図、第３図は永久磁石の磁極を示す平面
図、である。
１１・・・・・・ブザーケース、１２・・・・・・ヨー
ク、１３・・・・・・振動板、１４・・・・・・永久磁
石、１５・・・・・・鉄心、１６・・・・・・コイル。FIG. 1 is a sectional view showing a conventional structure, FIG. 2 is a sectional view showing a structure according to the present invention, and FIG. 3 is a plan view showing the magnetic poles of a permanent magnet. 11... Buzzer case, 12... Yoke, 13... Vibration plate, 14... Permanent magnet, 15... Iron core, 16... ·····coil.
Claims (1)
る電磁式ブザーにおいて、コイルの外側に位置するドー
ナツ形の永久磁石がその内周面と外周面とが異極になる
ように着磁され、上記永久・磁石の外周面に両端開口あ
円筒状ヨークが配置されていることを特徴とする電磁式
ブザー。In an electromagnetic buzzer having a diaphragm, an iron core, a coil, a permanent magnet, and a yoke, a donut-shaped permanent magnet located outside the coil is magnetized so that its inner peripheral surface and outer peripheral surface have different polarities, An electromagnetic buzzer characterized in that a cylindrical yoke with openings at both ends is arranged on the outer peripheral surface of the permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2602882U JPS58129796U (en) | 1982-02-25 | 1982-02-25 | Electromagnetic buzzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2602882U JPS58129796U (en) | 1982-02-25 | 1982-02-25 | Electromagnetic buzzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58129796U true JPS58129796U (en) | 1983-09-02 |
Family
ID=30037982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2602882U Pending JPS58129796U (en) | 1982-02-25 | 1982-02-25 | Electromagnetic buzzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58129796U (en) |
-
1982
- 1982-02-25 JP JP2602882U patent/JPS58129796U/en active Pending
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