JPS63173950U - - Google Patents
Info
- Publication number
- JPS63173950U JPS63173950U JP6713687U JP6713687U JPS63173950U JP S63173950 U JPS63173950 U JP S63173950U JP 6713687 U JP6713687 U JP 6713687U JP 6713687 U JP6713687 U JP 6713687U JP S63173950 U JPS63173950 U JP S63173950U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- telephone
- amplified
- input signal
- amplifier
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6713687U JPS63173950U (https=) | 1987-05-02 | 1987-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6713687U JPS63173950U (https=) | 1987-05-02 | 1987-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63173950U true JPS63173950U (https=) | 1988-11-11 |
Family
ID=30905767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6713687U Pending JPS63173950U (https=) | 1987-05-02 | 1987-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63173950U (https=) |
-
1987
- 1987-05-02 JP JP6713687U patent/JPS63173950U/ja active Pending