JPS633688U - - Google Patents
Info
- Publication number
- JPS633688U JPS633688U JP9551686U JP9551686U JPS633688U JP S633688 U JPS633688 U JP S633688U JP 9551686 U JP9551686 U JP 9551686U JP 9551686 U JP9551686 U JP 9551686U JP S633688 U JPS633688 U JP S633688U
- Authority
- JP
- Japan
- Prior art keywords
- speaker unit
- magnetic circuit
- magnetic
- cover
- protective 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
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 229910000889 permalloy Inorganic materials 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9551686U JPS633688U (lv) | 1986-06-23 | 1986-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9551686U JPS633688U (lv) | 1986-06-23 | 1986-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS633688U true JPS633688U (lv) | 1988-01-11 |
Family
ID=30960139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9551686U Pending JPS633688U (lv) | 1986-06-23 | 1986-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS633688U (lv) |
-
1986
- 1986-06-23 JP JP9551686U patent/JPS633688U/ja active Pending
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