JPH0157841U - - Google Patents
Info
- Publication number
- JPH0157841U JPH0157841U JP15230487U JP15230487U JPH0157841U JP H0157841 U JPH0157841 U JP H0157841U JP 15230487 U JP15230487 U JP 15230487U JP 15230487 U JP15230487 U JP 15230487U JP H0157841 U JPH0157841 U JP H0157841U
- Authority
- JP
- Japan
- Prior art keywords
- hold
- signal
- detection circuit
- hold operation
- telephone line
- 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 11
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15230487U JPH0157841U (sk) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15230487U JPH0157841U (sk) | 1987-10-05 | 1987-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0157841U true JPH0157841U (sk) | 1989-04-11 |
Family
ID=31427109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15230487U Pending JPH0157841U (sk) | 1987-10-05 | 1987-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0157841U (sk) |
-
1987
- 1987-10-05 JP JP15230487U patent/JPH0157841U/ja active Pending