JPH0444794U - - Google Patents
Info
- Publication number
- JPH0444794U JPH0444794U JP8631190U JP8631190U JPH0444794U JP H0444794 U JPH0444794 U JP H0444794U JP 8631190 U JP8631190 U JP 8631190U JP 8631190 U JP8631190 U JP 8631190U JP H0444794 U JPH0444794 U JP H0444794U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- acoustic signal
- external power
- amplifier circuit
- switching means
- 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 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8631190U JPH0444794U (de) | 1990-08-16 | 1990-08-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8631190U JPH0444794U (de) | 1990-08-16 | 1990-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0444794U true JPH0444794U (de) | 1992-04-16 |
Family
ID=31817920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8631190U Pending JPH0444794U (de) | 1990-08-16 | 1990-08-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0444794U (de) |
-
1990
- 1990-08-16 JP JP8631190U patent/JPH0444794U/ja active Pending
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