JPS5394707A - Circuit for identifying dial impulse signal and incoming signal of telephone set - Google Patents
Circuit for identifying dial impulse signal and incoming signal of telephone setInfo
- Publication number
- JPS5394707A JPS5394707A JP872977A JP872977A JPS5394707A JP S5394707 A JPS5394707 A JP S5394707A JP 872977 A JP872977 A JP 872977A JP 872977 A JP872977 A JP 872977A JP S5394707 A JPS5394707 A JP S5394707A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- telephone set
- dial impulse
- incoming 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.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP872977A JPS5394707A (en) | 1977-01-31 | 1977-01-31 | Circuit for identifying dial impulse signal and incoming signal of telephone set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP872977A JPS5394707A (en) | 1977-01-31 | 1977-01-31 | Circuit for identifying dial impulse signal and incoming signal of telephone set |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5394707A true JPS5394707A (en) | 1978-08-19 |
JPS5731820B2 JPS5731820B2 (en) | 1982-07-07 |
Family
ID=11701030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP872977A Granted JPS5394707A (en) | 1977-01-31 | 1977-01-31 | Circuit for identifying dial impulse signal and incoming signal of telephone set |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5394707A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53149510U (en) * | 1977-04-28 | 1978-11-25 | ||
JPS61121044U (en) * | 1985-01-16 | 1986-07-30 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5044706A (en) * | 1973-08-22 | 1975-04-22 |
-
1977
- 1977-01-31 JP JP872977A patent/JPS5394707A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5044706A (en) * | 1973-08-22 | 1975-04-22 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53149510U (en) * | 1977-04-28 | 1978-11-25 | ||
JPS5616848Y2 (en) * | 1977-04-28 | 1981-04-20 | ||
JPS61121044U (en) * | 1985-01-16 | 1986-07-30 |
Also Published As
Publication number | Publication date |
---|---|
JPS5731820B2 (en) | 1982-07-07 |
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