SE7709758L - TELEPHONE LINE CIRCUIT - Google Patents
TELEPHONE LINE CIRCUITInfo
- Publication number
- SE7709758L SE7709758L SE7709758A SE7709758A SE7709758L SE 7709758 L SE7709758 L SE 7709758L SE 7709758 A SE7709758 A SE 7709758A SE 7709758 A SE7709758 A SE 7709758A SE 7709758 L SE7709758 L SE 7709758L
- Authority
- SE
- Sweden
- Prior art keywords
- telephone line
- line circuit
- circuit
- telephone
- line
- Prior art date
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
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7626614A FR2363952A1 (en) | 1976-09-03 | 1976-09-03 | TELEPHONE LINE CIRCUIT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7709758L true SE7709758L (en) | 1978-03-04 |
Family
ID=9177355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7709758A SE7709758L (en) | 1976-09-03 | 1977-08-31 | TELEPHONE LINE CIRCUIT |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5332605A (en) |
| BE (1) | BE858262A (en) |
| DE (1) | DE2739718A1 (en) |
| FR (1) | FR2363952A1 (en) |
| GB (1) | GB1530089A (en) |
| IT (1) | IT1084094B (en) |
| NL (1) | NL7709578A (en) |
| SE (1) | SE7709758L (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5531358A (en) * | 1978-08-28 | 1980-03-05 | Nec Corp | Subscriber circuit |
| JPS5537046A (en) * | 1978-09-06 | 1980-03-14 | Nec Corp | Subscriber's circuit |
| FR2437123A1 (en) * | 1978-09-19 | 1980-04-18 | Thomson Ericsson Telephones So | Electronic power supply for telephone lines - comprises operational amplifier with feedback followed by transistor stage |
| NL7810086A (en) * | 1978-10-06 | 1980-04-09 | Philips Nv | POWER BRIDGE FOR A SUBSCRIBER FLOW. |
| JPS5593392A (en) * | 1979-01-10 | 1980-07-15 | Nec Corp | Subscriber circuit |
| NL7904159A (en) * | 1979-05-28 | 1980-12-02 | Philips Nv | DEVICE FOR SUPPLYING SIGNALS TO A TELEPHONE LINE. |
-
1976
- 1976-09-03 FR FR7626614A patent/FR2363952A1/en active Granted
-
1977
- 1977-08-31 GB GB36417/77A patent/GB1530089A/en not_active Expired
- 1977-08-31 IT IT50829/77A patent/IT1084094B/en active
- 1977-08-31 BE BE180557A patent/BE858262A/en unknown
- 1977-08-31 SE SE7709758A patent/SE7709758L/en unknown
- 1977-08-31 NL NL7709578A patent/NL7709578A/en not_active Application Discontinuation
- 1977-09-02 JP JP10598077A patent/JPS5332605A/en active Pending
- 1977-09-02 DE DE19772739718 patent/DE2739718A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE858262A (en) | 1977-12-16 |
| FR2363952A1 (en) | 1978-03-31 |
| FR2363952B1 (en) | 1981-09-25 |
| GB1530089A (en) | 1978-10-25 |
| IT1084094B (en) | 1985-05-25 |
| NL7709578A (en) | 1978-03-07 |
| DE2739718A1 (en) | 1978-03-09 |
| JPS5332605A (en) | 1978-03-28 |
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