JPS5023923A - - Google Patents
Info
- Publication number
- JPS5023923A JPS5023923A JP48074707A JP7470773A JPS5023923A JP S5023923 A JPS5023923 A JP S5023923A JP 48074707 A JP48074707 A JP 48074707A JP 7470773 A JP7470773 A JP 7470773A JP S5023923 A JPS5023923 A JP S5023923A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Landscapes
- Electronic Switches (AREA)
- Fax Reproducing Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7470773A JPS5429898B2 (ja) | 1973-07-04 | 1973-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7470773A JPS5429898B2 (ja) | 1973-07-04 | 1973-07-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5023923A true JPS5023923A (ja) | 1975-03-14 |
| JPS5429898B2 JPS5429898B2 (ja) | 1979-09-27 |
Family
ID=13554954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7470773A Expired JPS5429898B2 (ja) | 1973-07-04 | 1973-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5429898B2 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194557A (ja) * | 1983-04-20 | 1984-11-05 | Fujitsu Ltd | 周波数弁別方式 |
| JPH03247198A (ja) * | 1990-02-26 | 1991-11-05 | Nec Corp | Dtmf信号検出回路 |
-
1973
- 1973-07-04 JP JP7470773A patent/JPS5429898B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194557A (ja) * | 1983-04-20 | 1984-11-05 | Fujitsu Ltd | 周波数弁別方式 |
| JPH03247198A (ja) * | 1990-02-26 | 1991-11-05 | Nec Corp | Dtmf信号検出回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5429898B2 (ja) | 1979-09-27 |