JPH0182541U - - Google Patents
Info
- Publication number
- JPH0182541U JPH0182541U JP1987177664U JP17766487U JPH0182541U JP H0182541 U JPH0182541 U JP H0182541U JP 1987177664 U JP1987177664 U JP 1987177664U JP 17766487 U JP17766487 U JP 17766487U JP H0182541 U JPH0182541 U JP H0182541U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- telephone
- circuit
- magnetic force
- detection circuit
- 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 6
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177664U JPH0182541U (en]) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177664U JPH0182541U (en]) | 1987-11-20 | 1987-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0182541U true JPH0182541U (en]) | 1989-06-01 |
Family
ID=31469321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177664U Pending JPH0182541U (en]) | 1987-11-20 | 1987-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0182541U (en]) |
-
1987
- 1987-11-20 JP JP1987177664U patent/JPH0182541U/ja active Pending