JPH0412743U - - Google Patents
Info
- Publication number
- JPH0412743U JPH0412743U JP5350390U JP5350390U JPH0412743U JP H0412743 U JPH0412743 U JP H0412743U JP 5350390 U JP5350390 U JP 5350390U JP 5350390 U JP5350390 U JP 5350390U JP H0412743 U JPH0412743 U JP H0412743U
- Authority
- JP
- Japan
- Prior art keywords
- dtmf
- dtmf signal
- receiving circuit
- code
- signal input
- 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
- 238000012806 monitoring device Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5350390U JPH0412743U (en]) | 1990-05-22 | 1990-05-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5350390U JPH0412743U (en]) | 1990-05-22 | 1990-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0412743U true JPH0412743U (en]) | 1992-01-31 |
Family
ID=31574745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5350390U Pending JPH0412743U (en]) | 1990-05-22 | 1990-05-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0412743U (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007318218A (ja) * | 2006-05-23 | 2007-12-06 | Fuji Xerox Co Ltd | 通信装置および方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5068205A (en]) * | 1973-10-18 | 1975-06-07 |
-
1990
- 1990-05-22 JP JP5350390U patent/JPH0412743U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5068205A (en]) * | 1973-10-18 | 1975-06-07 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007318218A (ja) * | 2006-05-23 | 2007-12-06 | Fuji Xerox Co Ltd | 通信装置および方法 |