JPH0167900U - - Google Patents
Info
- Publication number
- JPH0167900U JPH0167900U JP1987162241U JP16224187U JPH0167900U JP H0167900 U JPH0167900 U JP H0167900U JP 1987162241 U JP1987162241 U JP 1987162241U JP 16224187 U JP16224187 U JP 16224187U JP H0167900 U JPH0167900 U JP H0167900U
- Authority
- JP
- Japan
- Prior art keywords
- unit
- output
- microphone
- amplify
- utility
- 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
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987162241U JPH0167900U (zh) | 1987-10-23 | 1987-10-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987162241U JPH0167900U (zh) | 1987-10-23 | 1987-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0167900U true JPH0167900U (zh) | 1989-05-01 |
Family
ID=31445889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987162241U Pending JPH0167900U (zh) | 1987-10-23 | 1987-10-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0167900U (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6451797A (en) * | 1987-08-24 | 1989-02-28 | Nobumichi Sato | Noise excluding microphone equipment |
-
1987
- 1987-10-23 JP JP1987162241U patent/JPH0167900U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6451797A (en) * | 1987-08-24 | 1989-02-28 | Nobumichi Sato | Noise excluding microphone equipment |