JPS6356898U - - Google Patents
Info
- Publication number
- JPS6356898U JPS6356898U JP15179686U JP15179686U JPS6356898U JP S6356898 U JPS6356898 U JP S6356898U JP 15179686 U JP15179686 U JP 15179686U JP 15179686 U JP15179686 U JP 15179686U JP S6356898 U JPS6356898 U JP S6356898U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- shaped magnet
- attached
- lower plate
- back cover
- 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
- 230000005520 electrodynamics Effects 0.000 claims 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
第１図は本考案の実施例の断面図、第２図、第
３図はそれぞれ従来例１及び従来例２の断面図、
第４図ａ，ｂはそれぞれ実施例と従来例１の周波
数特性図である。
１は下部プレート、２はリング状マグネツト、
３は上部プレート、４はフレーム、５は背面カバ
ー、６は吸音材、７は振動板である。
FIG. 1 is a sectional view of an embodiment of the present invention, FIGS. 2 and 3 are sectional views of conventional example 1 and conventional example 2, respectively.
FIGS. 4a and 4b are frequency characteristic diagrams of the embodiment and conventional example 1, respectively. 1 is the lower plate, 2 is the ring-shaped magnet,
3 is an upper plate, 4 is a frame, 5 is a back cover, 6 is a sound absorbing material, and 7 is a diaphragm.
Claims (1)
レートと、該下部プレートの上に載置したリング
状マグネツト及び該リング状マグネツトの上に載
置された上部プレートからなる外磁型磁気回路を
フレームの底部に取りつけた構造の動電型スピー
カの後背部が背面カバーにより覆われて背面空洞
を形成しており、当該背面カバーの内側面と前記
リング状マグネツトの外側面及びその近傍との間
隙に吸音材が配置されていることを特徴とするス
ピーカ。 An outer magnetic type magnetic circuit consisting of a lower plate with a center pole projecting from the center, a ring-shaped magnet placed on the lower plate, and an upper plate placed on the ring-shaped magnet is attached to the frame. The back of the electrodynamic speaker, which is attached to the bottom, is covered by a back cover to form a back cavity, and sound is absorbed in the gap between the inner surface of the back cover and the outer surface of the ring-shaped magnet and its vicinity. A speaker characterized by the arrangement of materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15179686U JPS6356898U (en) | 1986-10-01 | 1986-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15179686U JPS6356898U (en) | 1986-10-01 | 1986-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6356898U true JPS6356898U (en) | 1988-04-15 |
Family
ID=31069193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15179686U Pending JPS6356898U (en) | 1986-10-01 | 1986-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6356898U (en) |
-
1986
- 1986-10-01 JP JP15179686U patent/JPS6356898U/ja active Pending