JPH0471100U - - Google Patents
Info
- Publication number
- JPH0471100U JPH0471100U JP11352690U JP11352690U JPH0471100U JP H0471100 U JPH0471100 U JP H0471100U JP 11352690 U JP11352690 U JP 11352690U JP 11352690 U JP11352690 U JP 11352690U JP H0471100 U JPH0471100 U JP H0471100U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- condenser microphone
- fet
- constant current
- source
- 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
- 230000005669 field effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11352690U JPH0471100U (cs) | 1990-10-31 | 1990-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11352690U JPH0471100U (cs) | 1990-10-31 | 1990-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0471100U true JPH0471100U (cs) | 1992-06-23 |
Family
ID=31861123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11352690U Pending JPH0471100U (cs) | 1990-10-31 | 1990-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0471100U (cs) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6331399A (ja) * | 1986-07-25 | 1988-02-10 | Matsushita Electric Ind Co Ltd | 静電型マイクロホン用インピ−ダンス変換器 |
| JPS647778B2 (cs) * | 1981-10-09 | 1989-02-10 | Olympus Optical Co |
-
1990
- 1990-10-31 JP JP11352690U patent/JPH0471100U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS647778B2 (cs) * | 1981-10-09 | 1989-02-10 | Olympus Optical Co | |
| JPS6331399A (ja) * | 1986-07-25 | 1988-02-10 | Matsushita Electric Ind Co Ltd | 静電型マイクロホン用インピ−ダンス変換器 |