JPH02138953U - - Google Patents
Info
- Publication number
- JPH02138953U JPH02138953U JP4868789U JP4868789U JPH02138953U JP H02138953 U JPH02138953 U JP H02138953U JP 4868789 U JP4868789 U JP 4868789U JP 4868789 U JP4868789 U JP 4868789U JP H02138953 U JPH02138953 U JP H02138953U
- Authority
- JP
- Japan
- Prior art keywords
- answer tone
- determining means
- redials
- redial
- determining whether
- 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 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4868789U JPH02138953U (cs) | 1989-04-25 | 1989-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4868789U JPH02138953U (cs) | 1989-04-25 | 1989-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02138953U true JPH02138953U (cs) | 1990-11-20 |
Family
ID=31565724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4868789U Pending JPH02138953U (cs) | 1989-04-25 | 1989-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02138953U (cs) |
-
1989
- 1989-04-25 JP JP4868789U patent/JPH02138953U/ja active Pending
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