JPS6372962U - - Google Patents
Info
- Publication number
- JPS6372962U JPS6372962U JP16774086U JP16774086U JPS6372962U JP S6372962 U JPS6372962 U JP S6372962U JP 16774086 U JP16774086 U JP 16774086U JP 16774086 U JP16774086 U JP 16774086U JP S6372962 U JPS6372962 U JP S6372962U
- Authority
- JP
- Japan
- Prior art keywords
- telephone line
- answer tone
- control unit
- communication terminal
- signal
- 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 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16774086U JPS6372962U (el) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16774086U JPS6372962U (el) | 1986-10-31 | 1986-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6372962U true JPS6372962U (el) | 1988-05-16 |
Family
ID=31099954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16774086U Pending JPS6372962U (el) | 1986-10-31 | 1986-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6372962U (el) |
-
1986
- 1986-10-31 JP JP16774086U patent/JPS6372962U/ja active Pending
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