SE434790B - Transmissionsbrygga for en telefonabonnentlinjekrets - Google Patents
Transmissionsbrygga for en telefonabonnentlinjekretsInfo
- Publication number
- SE434790B SE434790B SE7908577A SE7908577A SE434790B SE 434790 B SE434790 B SE 434790B SE 7908577 A SE7908577 A SE 7908577A SE 7908577 A SE7908577 A SE 7908577A SE 434790 B SE434790 B SE 434790B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- circuit
- supply
- voltage
- input
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 21
- 238000004804 winding Methods 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
- 230000002238 attenuated effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- MZCHBOYMVBQHQC-UHFFFAOYSA-N n-(4-chloro-2-methylphenyl)-n'-methylmethanimidamide Chemical compound CN=CNC1=CC=C(Cl)C=C1C MZCHBOYMVBQHQC-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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)
- Confectionery (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7810504A NL7810504A (nl) | 1978-10-20 | 1978-10-20 | Voedingsbrug voor een abonneestroomloop. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7908577L SE7908577L (sv) | 1980-04-21 |
| SE434790B true SE434790B (sv) | 1984-08-13 |
Family
ID=19831748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7908577A SE434790B (sv) | 1978-10-20 | 1979-10-17 | Transmissionsbrygga for en telefonabonnentlinjekrets |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5912065B2 (it) |
| AU (1) | AU5188879A (it) |
| BE (1) | BE879495A (it) |
| CA (1) | CA1138140A (it) |
| DE (1) | DE2941981C2 (it) |
| FR (1) | FR2439519A1 (it) |
| GB (1) | GB2034557B (it) |
| IT (1) | IT1123890B (it) |
| NL (1) | NL7810504A (it) |
| SE (1) | SE434790B (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4551670A (en) * | 1984-04-19 | 1985-11-05 | At&T Bell Laboratories | Circuit for maintaining the DC voltage on an electrically isolated telecommunication line at a reference level |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE883300C (de) * | 1945-03-21 | 1953-07-16 | Aeg | Waehlereinrichtung mit Zusaetzen zur Stromversorgung fuer Sprechstellen, die mit Verstaerkern ausgeruestet sind |
| GB1070901A (en) * | 1963-01-03 | 1967-06-07 | Post Office | Improvements in or relating to telephone exchange systems |
| BE793240A (fr) * | 1971-12-27 | 1973-04-16 | Western Electric Co | Coupleur a perte d'insertion reduite |
| US4007335A (en) * | 1975-11-12 | 1977-02-08 | Bell Telephone Laboratories, Incorporated | Telephone line battery feed circuit |
-
1978
- 1978-10-20 NL NL7810504A patent/NL7810504A/nl not_active Application Discontinuation
-
1979
- 1979-09-28 FR FR7924174A patent/FR2439519A1/fr not_active Withdrawn
- 1979-10-17 CA CA000337849A patent/CA1138140A/en not_active Expired
- 1979-10-17 DE DE2941981A patent/DE2941981C2/de not_active Expired
- 1979-10-17 JP JP54133062A patent/JPS5912065B2/ja not_active Expired
- 1979-10-17 IT IT26572/79A patent/IT1123890B/it active
- 1979-10-17 AU AU51888/79A patent/AU5188879A/en not_active Abandoned
- 1979-10-17 SE SE7908577A patent/SE434790B/sv unknown
- 1979-10-17 GB GB7936047A patent/GB2034557B/en not_active Expired
- 1979-10-18 BE BE0/197711A patent/BE879495A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU5188879A (en) | 1980-04-24 |
| DE2941981A1 (de) | 1980-04-30 |
| CA1138140A (en) | 1982-12-21 |
| FR2439519A1 (fr) | 1980-05-16 |
| IT7926572A0 (it) | 1979-10-17 |
| DE2941981C2 (de) | 1983-04-21 |
| NL7810504A (nl) | 1980-04-22 |
| JPS5912065B2 (ja) | 1984-03-21 |
| SE7908577L (sv) | 1980-04-21 |
| IT1123890B (it) | 1986-04-30 |
| GB2034557B (en) | 1982-12-01 |
| GB2034557A (en) | 1980-06-04 |
| JPS5556755A (en) | 1980-04-25 |
| BE879495A (fr) | 1980-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2114439C1 (ru) | Устройство для измерения тока | |
| US3982080A (en) | Automatic cable balancing network | |
| KR840007654A (ko) | 삼상역률 제어장치용 위상 검출기 | |
| JPS58146116A (ja) | 電子利得制御装置 | |
| KR870000078B1 (ko) | 교환국으로 부터 가입자 전화기에의 전류 공급장치 | |
| US4275277A (en) | Subscriber line interface circuit for a telephone line | |
| US3815011A (en) | Current transformer terminated by active load elements for providing phase-inverted signals | |
| US2998487A (en) | Transistor switching arrangements | |
| US3965447A (en) | Synthetic reactor circuit | |
| GB2032733A (en) | Transmission bridges | |
| KR900001340B1 (ko) | 한쌍의 가입자선용 밧데리 피이드 회로 | |
| KR870000076B1 (ko) | 전화교환국으로부터 가입자전화기에 전류를 공급하는 방법 | |
| US4297531A (en) | Circuit for suppressing noise influences in the evaluation of signal states on transmission lines | |
| GB2052215A (en) | Current detection circuit arrangement for an automatic telephone exchange | |
| SE429081B (sv) | Elektronisk sendare for likstromstelegrafi | |
| US4313034A (en) | Connecting circuit for a telephone line | |
| JPH04269660A (ja) | 電気測定装置 | |
| US4083036A (en) | Arrangement for producing pulse-shaped signals | |
| SE438758B (sv) | Gaffelkoppling for anslutning av en tvatradsabonnentledning till en fyrtradsledning | |
| US4596956A (en) | Current amplifiers | |
| SE438408B (sv) | Elektronisk samplings- och fasthallningskrets | |
| EP0106247B1 (de) | Fernsprechanlage | |
| CA1138140A (en) | Transmission bridge for a telephone subscriber's line circuit | |
| US3597550A (en) | Balanced telephone instrument circuit | |
| EP0402360B1 (en) | Impedance synthesis multiple loop using filtering means |