JPH0339996U - - Google Patents
Info
- Publication number
- JPH0339996U JPH0339996U JP10136389U JP10136389U JPH0339996U JP H0339996 U JPH0339996 U JP H0339996U JP 10136389 U JP10136389 U JP 10136389U JP 10136389 U JP10136389 U JP 10136389U JP H0339996 U JPH0339996 U JP H0339996U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- external sound
- voltage level
- headphone
- generated
- 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
- 230000005236 sound signal Effects 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10136389U JPH0339996U (lt) | 1989-08-30 | 1989-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10136389U JPH0339996U (lt) | 1989-08-30 | 1989-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0339996U true JPH0339996U (lt) | 1991-04-17 |
Family
ID=31650321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10136389U Pending JPH0339996U (lt) | 1989-08-30 | 1989-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339996U (lt) |
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1989
- 1989-08-30 JP JP10136389U patent/JPH0339996U/ja active Pending