JPH01172795U - - Google Patents
Info
- Publication number
- JPH01172795U JPH01172795U JP6300388U JP6300388U JPH01172795U JP H01172795 U JPH01172795 U JP H01172795U JP 6300388 U JP6300388 U JP 6300388U JP 6300388 U JP6300388 U JP 6300388U JP H01172795 U JPH01172795 U JP H01172795U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- outer ear
- sound pressure
- receiver
- covers
- 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
- 210000000883 ear external Anatomy 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 description 2
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6300388U JPH01172795U (de) | 1988-05-13 | 1988-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6300388U JPH01172795U (de) | 1988-05-13 | 1988-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01172795U true JPH01172795U (de) | 1989-12-07 |
Family
ID=31288539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6300388U Pending JPH01172795U (de) | 1988-05-13 | 1988-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01172795U (de) |
-
1988
- 1988-05-13 JP JP6300388U patent/JPH01172795U/ja active Pending
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