JPH03120151U - - Google Patents
Info
- Publication number
- JPH03120151U JPH03120151U JP2828890U JP2828890U JPH03120151U JP H03120151 U JPH03120151 U JP H03120151U JP 2828890 U JP2828890 U JP 2828890U JP 2828890 U JP2828890 U JP 2828890U JP H03120151 U JPH03120151 U JP H03120151U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- recording
- detection unit
- detects
- changeover switch
- 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 description 3
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2828890U JPH03120151U (th) | 1990-03-20 | 1990-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2828890U JPH03120151U (th) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03120151U true JPH03120151U (th) | 1991-12-10 |
Family
ID=31531094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2828890U Pending JPH03120151U (th) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03120151U (th) |
-
1990
- 1990-03-20 JP JP2828890U patent/JPH03120151U/ja active Pending