JPH0230654U - - Google Patents
Info
- Publication number
- JPH0230654U JPH0230654U JP10950488U JP10950488U JPH0230654U JP H0230654 U JPH0230654 U JP H0230654U JP 10950488 U JP10950488 U JP 10950488U JP 10950488 U JP10950488 U JP 10950488U JP H0230654 U JPH0230654 U JP H0230654U
- Authority
- JP
- Japan
- Prior art keywords
- set signal
- detection circuit
- circuit
- telephone
- absence
- 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 |
---|---|---|---|
JP10950488U JPH0230654U (xx) | 1988-08-20 | 1988-08-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10950488U JPH0230654U (xx) | 1988-08-20 | 1988-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0230654U true JPH0230654U (xx) | 1990-02-27 |
Family
ID=31345807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10950488U Pending JPH0230654U (xx) | 1988-08-20 | 1988-08-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0230654U (xx) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61219249A (ja) * | 1985-03-25 | 1986-09-29 | Matsushita Electric Works Ltd | 音声応答型電話回線閉結装置 |
-
1988
- 1988-08-20 JP JP10950488U patent/JPH0230654U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61219249A (ja) * | 1985-03-25 | 1986-09-29 | Matsushita Electric Works Ltd | 音声応答型電話回線閉結装置 |