JPH02145893U - - Google Patents
Info
- Publication number
- JPH02145893U JPH02145893U JP14890089U JP14890089U JPH02145893U JP H02145893 U JPH02145893 U JP H02145893U JP 14890089 U JP14890089 U JP 14890089U JP 14890089 U JP14890089 U JP 14890089U JP H02145893 U JPH02145893 U JP H02145893U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- acoustic transducer
- attached
- outside
- acoustic
- 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
- 210000003027 ear inner Anatomy 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Headphones And Earphones (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14890089U JPH02145893U (fr) | 1989-12-25 | 1989-12-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14890089U JPH02145893U (fr) | 1989-12-25 | 1989-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02145893U true JPH02145893U (fr) | 1990-12-11 |
Family
ID=31695330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14890089U Pending JPH02145893U (fr) | 1989-12-25 | 1989-12-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02145893U (fr) |
-
1989
- 1989-12-25 JP JP14890089U patent/JPH02145893U/ja active Pending
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