AU427674B2 - Telephone loop drive and sensing circuit - Google Patents
Telephone loop drive and sensing circuitInfo
- Publication number
- AU427674B2 AU427674B2 AU32557/68A AU3255768A AU427674B2 AU 427674 B2 AU427674 B2 AU 427674B2 AU 32557/68 A AU32557/68 A AU 32557/68A AU 3255768 A AU3255768 A AU 3255768A AU 427674 B2 AU427674 B2 AU 427674B2
- Authority
- AU
- Australia
- Prior art keywords
- sensing circuit
- loop drive
- telephone loop
- telephone
- drive
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU32557/68A AU427674B2 (en) | 1968-09-11 | 1968-09-11 | Telephone loop drive and sensing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU32557/68A AU427674B2 (en) | 1968-09-11 | 1968-09-11 | Telephone loop drive and sensing circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3255768A AU3255768A (en) | 1970-03-19 |
| AU427674B2 true AU427674B2 (en) | 1972-08-29 |
Family
ID=3720072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU32557/68A Expired AU427674B2 (en) | 1968-09-11 | 1968-09-11 | Telephone loop drive and sensing circuit |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU427674B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0006584A1 (en) * | 1978-06-28 | 1980-01-09 | Siemens Aktiengesellschaft | Method for supplying a call and line current without inductances, relay contacts or transformers |
-
1968
- 1968-09-11 AU AU32557/68A patent/AU427674B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0006584A1 (en) * | 1978-06-28 | 1980-01-09 | Siemens Aktiengesellschaft | Method for supplying a call and line current without inductances, relay contacts or transformers |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3255768A (en) | 1970-03-19 |
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