JPH0336250U - - Google Patents
Info
- Publication number
- JPH0336250U JPH0336250U JP9670989U JP9670989U JPH0336250U JP H0336250 U JPH0336250 U JP H0336250U JP 9670989 U JP9670989 U JP 9670989U JP 9670989 U JP9670989 U JP 9670989U JP H0336250 U JPH0336250 U JP H0336250U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- incoming call
- circuit
- telephone line
- 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 4
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9670989U JPH0336250U (it) | 1989-08-21 | 1989-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9670989U JPH0336250U (it) | 1989-08-21 | 1989-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0336250U true JPH0336250U (it) | 1991-04-09 |
Family
ID=31645896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9670989U Pending JPH0336250U (it) | 1989-08-21 | 1989-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336250U (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101399675B1 (ko) * | 2012-08-13 | 2014-05-27 | 주식회사 평산기공 | 단조 소재의 연속 고주파 유도 가열 시스템 |
-
1989
- 1989-08-21 JP JP9670989U patent/JPH0336250U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101399675B1 (ko) * | 2012-08-13 | 2014-05-27 | 주식회사 평산기공 | 단조 소재의 연속 고주파 유도 가열 시스템 |