AU500222B2 - Feeding arrangement fora telephone line circuit - Google Patents
Feeding arrangement fora telephone line circuitInfo
- Publication number
- AU500222B2 AU500222B2 AU13984/76A AU1398476A AU500222B2 AU 500222 B2 AU500222 B2 AU 500222B2 AU 13984/76 A AU13984/76 A AU 13984/76A AU 1398476 A AU1398476 A AU 1398476A AU 500222 B2 AU500222 B2 AU 500222B2
- Authority
- AU
- Australia
- Prior art keywords
- telephone line
- line circuit
- feeding arrangement
- arrangement fora
- fora telephone
- 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)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752521984 DE2521984C2 (en) | 1975-05-16 | 1975-05-16 | Circuit arrangement for feeding a direct current consumer in centrally fed telecommunication systems |
| DEDE2521984 | 1975-05-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU1398476A AU1398476A (en) | 1977-11-24 |
| AU500222B2 true AU500222B2 (en) | 1979-05-17 |
Family
ID=5946783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU13984/76A Expired AU500222B2 (en) | 1975-05-16 | 1976-05-17 | Feeding arrangement fora telephone line circuit |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU500222B2 (en) |
| BE (1) | BE841908A (en) |
| CH (1) | CH607493A5 (en) |
| DE (1) | DE2521984C2 (en) |
| FR (1) | FR2325259A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3237681C2 (en) * | 1982-10-12 | 1986-03-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Feed circuit for a variable consumer resistance and with differently acting output resistance |
| DE3246144C2 (en) * | 1982-12-14 | 1986-09-25 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Circuit arrangement for keeping the current constant |
| FR2559009B1 (en) * | 1984-01-30 | 1989-12-01 | Int Standard Electric Corp | SUPPLY CIRCUIT, PARTICULARLY FOR SUPPLYING A TELEPHONE LINE |
| FR2617357B1 (en) * | 1987-06-24 | 1994-04-29 | Crouzet Sa | PUBLIC TELEPHONE APPARATUS WITH PERMANENT CONNECTION |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2039565A5 (en) * | 1969-04-10 | 1971-01-15 | Trt Telecom Radio Electr | |
| DE2033034A1 (en) * | 1970-07-03 | 1972-01-13 | Philips Nv | Device for feeding telephones with low current |
-
1975
- 1975-05-16 DE DE19752521984 patent/DE2521984C2/en not_active Expired
-
1976
- 1976-05-12 CH CH592176A patent/CH607493A5/xx not_active IP Right Cessation
- 1976-05-14 FR FR7614594A patent/FR2325259A1/en not_active Withdrawn
- 1976-05-17 AU AU13984/76A patent/AU500222B2/en not_active Expired
- 1976-05-17 BE BE2055034A patent/BE841908A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE841908A (en) | 1976-11-17 |
| DE2521984A1 (en) | 1976-11-25 |
| FR2325259A1 (en) | 1977-04-15 |
| DE2521984C2 (en) | 1983-05-26 |
| CH607493A5 (en) | 1978-12-29 |
| AU1398476A (en) | 1977-11-24 |
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