JPS634246Y2 - - Google Patents
Info
- Publication number
- JPS634246Y2 JPS634246Y2 JP8828381U JP8828381U JPS634246Y2 JP S634246 Y2 JPS634246 Y2 JP S634246Y2 JP 8828381 U JP8828381 U JP 8828381U JP 8828381 U JP8828381 U JP 8828381U JP S634246 Y2 JPS634246 Y2 JP S634246Y2
- Authority
- JP
- Japan
- Prior art keywords
- recording
- speaker
- playback
- signal
- microphone
- 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.)
- Expired
Links
- 230000003321 amplification Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8828381U JPS634246Y2 (US07993877-20110809-P00003.png) | 1981-06-15 | 1981-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8828381U JPS634246Y2 (US07993877-20110809-P00003.png) | 1981-06-15 | 1981-06-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198715U JPS57198715U (US07993877-20110809-P00003.png) | 1982-12-17 |
| JPS634246Y2 true JPS634246Y2 (US07993877-20110809-P00003.png) | 1988-02-03 |
Family
ID=29883463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8828381U Expired JPS634246Y2 (US07993877-20110809-P00003.png) | 1981-06-15 | 1981-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS634246Y2 (US07993877-20110809-P00003.png) |
-
1981
- 1981-06-15 JP JP8828381U patent/JPS634246Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57198715U (US07993877-20110809-P00003.png) | 1982-12-17 |
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