JPH0226855U - - Google Patents
Info
- Publication number
- JPH0226855U JPH0226855U JP10520888U JP10520888U JPH0226855U JP H0226855 U JPH0226855 U JP H0226855U JP 10520888 U JP10520888 U JP 10520888U JP 10520888 U JP10520888 U JP 10520888U JP H0226855 U JPH0226855 U JP H0226855U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- coupler
- emergency situation
- signal
- emergency
- 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
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Audible And Visible Signals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10520888U JPH0226855U (pt) | 1988-08-09 | 1988-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10520888U JPH0226855U (pt) | 1988-08-09 | 1988-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226855U true JPH0226855U (pt) | 1990-02-21 |
Family
ID=31337612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10520888U Pending JPH0226855U (pt) | 1988-08-09 | 1988-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226855U (pt) |
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1988
- 1988-08-09 JP JP10520888U patent/JPH0226855U/ja active Pending