JPS6347655U - - Google Patents
Info
- Publication number
- JPS6347655U JPS6347655U JP14129486U JP14129486U JPS6347655U JP S6347655 U JPS6347655 U JP S6347655U JP 14129486 U JP14129486 U JP 14129486U JP 14129486 U JP14129486 U JP 14129486U JP S6347655 U JPS6347655 U JP S6347655U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- communication circuit
- telephone
- polarity
- polarity reversal
- 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 3
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14129486U JPS6347655U (el) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14129486U JPS6347655U (el) | 1986-09-17 | 1986-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6347655U true JPS6347655U (el) | 1988-03-31 |
Family
ID=31048939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14129486U Pending JPS6347655U (el) | 1986-09-17 | 1986-09-17 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6347655U (el) |
-
1986
- 1986-09-17 JP JP14129486U patent/JPS6347655U/ja active Pending