AU579749B2 - A ring signal detector - Google Patents
A ring signal detectorInfo
- Publication number
- AU579749B2 AU579749B2 AU62780/86A AU6278086A AU579749B2 AU 579749 B2 AU579749 B2 AU 579749B2 AU 62780/86 A AU62780/86 A AU 62780/86A AU 6278086 A AU6278086 A AU 6278086A AU 579749 B2 AU579749 B2 AU 579749B2
- Authority
- AU
- Australia
- Prior art keywords
- signal detector
- ring signal
- ring
- detector
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU62780/86A AU579749B2 (en) | 1982-03-24 | 1986-09-18 | A ring signal detector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPF3290 | 1982-03-24 | ||
| AU329082 | 1982-03-24 | ||
| AU62780/86A AU579749B2 (en) | 1982-03-24 | 1986-09-18 | A ring signal detector |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU12563/83A Division AU556924B2 (en) | 1982-03-24 | 1983-03-24 | 2-line power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU6278086A AU6278086A (en) | 1987-01-08 |
| AU579749B2 true AU579749B2 (en) | 1988-12-08 |
Family
ID=25610084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU62780/86A Ceased AU579749B2 (en) | 1982-03-24 | 1986-09-18 | A ring signal detector |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU579749B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU648104B2 (en) * | 1990-09-17 | 1994-04-14 | Nitsuko Corporation | Circuit for transmitting voice signals and dial pulses |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU512904B2 (en) * | 1977-01-24 | 1980-11-06 | Sits Soc It Telecom Siemens | Subscriber set acoustic call receiving circuit |
| AU557025B2 (en) * | 1982-04-26 | 1986-12-04 | Alcatel N.V. | Digital supervisory circuit |
| AU561318B2 (en) * | 1984-02-15 | 1987-05-07 | Fujitsu Limited | Line circuit for driving a ringer and a service indicating lamp in a telephone set |
-
1986
- 1986-09-18 AU AU62780/86A patent/AU579749B2/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU512904B2 (en) * | 1977-01-24 | 1980-11-06 | Sits Soc It Telecom Siemens | Subscriber set acoustic call receiving circuit |
| AU557025B2 (en) * | 1982-04-26 | 1986-12-04 | Alcatel N.V. | Digital supervisory circuit |
| AU561318B2 (en) * | 1984-02-15 | 1987-05-07 | Fujitsu Limited | Line circuit for driving a ringer and a service indicating lamp in a telephone set |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU648104B2 (en) * | 1990-09-17 | 1994-04-14 | Nitsuko Corporation | Circuit for transmitting voice signals and dial pulses |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6278086A (en) | 1987-01-08 |
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