JPH01126793U - - Google Patents
Info
- Publication number
- JPH01126793U JPH01126793U JP2150588U JP2150588U JPH01126793U JP H01126793 U JPH01126793 U JP H01126793U JP 2150588 U JP2150588 U JP 2150588U JP 2150588 U JP2150588 U JP 2150588U JP H01126793 U JPH01126793 U JP H01126793U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- material mixed
- speaker
- annular groove
- integrally molded
- 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
- 239000006247 magnetic powder Substances 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 239000011347 resin Substances 0.000 claims 3
- 229920005989 resin Polymers 0.000 claims 3
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図は本考案第１実施例の断面図、第２図は
同一部切欠斜視図、第３図は第２実施例の断面図
、第４図は第３実施例の断面図、第５図は第４実
施例の断面図である。
１は凹溝、２は外磁部、３は底部、４は内磁部
、５はプレート、６はポールである。
Fig. 1 is a sectional view of the first embodiment of the present invention, Fig. 2 is a partially cutaway perspective view of the same, Fig. 3 is a sectional view of the second embodiment, Fig. 4 is a sectional view of the third embodiment, and Fig. 5 is a sectional view of the third embodiment. The figure is a sectional view of the fourth embodiment. 1 is a concave groove, 2 is an outer magnetic part, 3 is a bottom, 4 is an inner magnetic part, 5 is a plate, and 6 is a pole.
Claims (1)
料からなり、環状の凹溝１を隔てて外磁部２と内
磁部４とが底部３と共に一体成形されて同心に保
持されていることを特徴とするスピーカ用磁気回
路。 ２ 環状の凹溝１を隔てて、硬質磁性体粉末と結
合用樹脂とを混和した材料からなる外磁部２と、
軟質磁性体粉末と結合用樹脂とを混和した材料か
らなる内磁部４及び底部３とが共に一体成形され
て同心に保持されていることを特徴とするスピー
カ用磁気回路。[Claims for Utility Model Registration] 1. Made of a material mixed with hard magnetic powder and binding resin, an outer magnetic part 2 and an inner magnetic part 4 are integrally molded together with a bottom part 3 with an annular groove 1 in between. A magnetic circuit for a speaker, characterized in that the magnetic circuit is held concentrically. 2. An outer magnetic part 2 made of a material mixed with hard magnetic powder and binding resin, separated by an annular groove 1;
A magnetic circuit for a speaker, characterized in that an inner magnetic part 4 and a bottom part 3 made of a material mixed with soft magnetic powder and a bonding resin are integrally molded and held concentrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2150588U JPH01126793U (en) | 1988-02-19 | 1988-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2150588U JPH01126793U (en) | 1988-02-19 | 1988-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01126793U true JPH01126793U (en) | 1989-08-30 |
Family
ID=31238802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2150588U Pending JPH01126793U (en) | 1988-02-19 | 1988-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01126793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013140719A1 (en) * | 2012-03-19 | 2013-09-26 | パナソニック株式会社 | Magnetic circuit for loudspeaker, and loudspeaker using same |
-
1988
- 1988-02-19 JP JP2150588U patent/JPH01126793U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013140719A1 (en) * | 2012-03-19 | 2013-09-26 | パナソニック株式会社 | Magnetic circuit for loudspeaker, and loudspeaker using same |
| JPWO2013140719A1 (en) * | 2012-03-19 | 2015-08-03 | パナソニックＩｐマネジメント株式会社 | Magnetic circuit for speaker and speaker using the same |
| US9277304B2 (en) | 2012-03-19 | 2016-03-01 | Panasonic Intellectual Property Management Co., Ltd. | Magnetic circuit for loudspeaker, and loudspeaker using same |