JPH0423356U - - Google Patents
Info
- Publication number
- JPH0423356U JPH0423356U JP6517990U JP6517990U JPH0423356U JP H0423356 U JPH0423356 U JP H0423356U JP 6517990 U JP6517990 U JP 6517990U JP 6517990 U JP6517990 U JP 6517990U JP H0423356 U JPH0423356 U JP H0423356U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- dtmf
- irregular
- restoration
- dtmf 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims 7
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6517990U JPH0423356U (fi) | 1990-06-20 | 1990-06-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6517990U JPH0423356U (fi) | 1990-06-20 | 1990-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0423356U true JPH0423356U (fi) | 1992-02-26 |
Family
ID=31596780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6517990U Pending JPH0423356U (fi) | 1990-06-20 | 1990-06-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0423356U (fi) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5241782A (en) * | 1975-09-29 | 1977-03-31 | Rajio Kanto:Kk | Device control apparatus in broadcasting installation |
JPS57111150A (en) * | 1980-12-26 | 1982-07-10 | Fujitsu Ltd | Radio communication system |
-
1990
- 1990-06-20 JP JP6517990U patent/JPH0423356U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5241782A (en) * | 1975-09-29 | 1977-03-31 | Rajio Kanto:Kk | Device control apparatus in broadcasting installation |
JPS57111150A (en) * | 1980-12-26 | 1982-07-10 | Fujitsu Ltd | Radio communication system |
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