CA1091834A - Electric network for use in a subscriber's loop - Google Patents
Electric network for use in a subscriber's loopInfo
- Publication number
- CA1091834A CA1091834A CA292,213A CA292213A CA1091834A CA 1091834 A CA1091834 A CA 1091834A CA 292213 A CA292213 A CA 292213A CA 1091834 A CA1091834 A CA 1091834A
- Authority
- CA
- Canada
- Prior art keywords
- current
- network
- transistor
- subscriber
- loop
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 48
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims 1
- 235000001537 Ribes X gardonianum Nutrition 0.000 abstract 1
- 235000001535 Ribes X utile Nutrition 0.000 abstract 1
- 235000016919 Ribes petraeum Nutrition 0.000 abstract 1
- 244000281247 Ribes rubrum Species 0.000 abstract 1
- 235000002355 Ribes spicatum Nutrition 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 24
- 230000006698 induction Effects 0.000 description 11
- 230000006870 function Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000033764 rhythmic process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition 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)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7637285 | 1976-12-10 | ||
| FR7637285A FR2373927A1 (fr) | 1976-12-10 | 1976-12-10 | Reseau electrique destine a etre insere par une paire de bornes dans une boucle d'abonne telephonique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1091834A true CA1091834A (en) | 1980-12-16 |
Family
ID=9180915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA292,213A Expired CA1091834A (en) | 1976-12-10 | 1977-12-01 | Electric network for use in a subscriber's loop |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4135062A (enExample) |
| JP (1) | JPS5372506A (enExample) |
| AT (1) | ATA878177A (enExample) |
| AU (1) | AU511552B2 (enExample) |
| BE (1) | BE861646A (enExample) |
| CA (1) | CA1091834A (enExample) |
| DE (1) | DE2752883A1 (enExample) |
| DK (1) | DK544377A (enExample) |
| FR (1) | FR2373927A1 (enExample) |
| GB (1) | GB1543280A (enExample) |
| IT (1) | IT1110184B (enExample) |
| NL (1) | NL7713454A (enExample) |
| SE (1) | SE7713856L (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4194091A (en) * | 1978-12-29 | 1980-03-18 | Bell Telephone Laboratories, Incorporated | Line feed circuit |
| DE3132971A1 (de) * | 1981-08-20 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung fuer fernsprechvermittlungsanlagen, insbesondere kleine nebenstellenanlagen, bei denen zwischen den teilnehmerstellen und einer ihnen gemeinsamen einrichtung eine signalisierung vorgenommen wird |
| NL8204377A (nl) * | 1982-11-12 | 1984-06-01 | Philips Nv | Abonneecircuit voor een telefoonnet. |
| JPS6051359A (ja) * | 1983-08-31 | 1985-03-22 | Nec Corp | 加入者回路の給電回路 |
| JPS59171393A (ja) * | 1983-03-18 | 1984-09-27 | Fujitsu Ltd | ジグナリングコンバ−タ回路 |
| JPS615451A (ja) * | 1984-06-19 | 1986-01-11 | Matsushita Electric Ind Co Ltd | 情報記録担体 |
| JPH0677763A (ja) * | 1992-06-17 | 1994-03-18 | Texas Instr Inc <Ti> | 伝送線路を終端する方法と装置 |
| DE19833072A1 (de) * | 1998-07-23 | 2000-02-03 | Philips Corp Intellectual Pty | Oszillatorschaltung |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2254168A1 (en) * | 1973-12-11 | 1975-07-04 | Ass Ouvriers Instr Precision | Telephone line supply device - is an active electronic device acting as resistance for direct current and high impedance for A.C. |
| JPS531123B2 (enExample) * | 1973-12-28 | 1978-01-14 |
-
1976
- 1976-12-10 FR FR7637285A patent/FR2373927A1/fr active Granted
-
1977
- 1977-11-10 US US05/850,157 patent/US4135062A/en not_active Expired - Lifetime
- 1977-11-26 DE DE19772752883 patent/DE2752883A1/de not_active Withdrawn
- 1977-12-01 CA CA292,213A patent/CA1091834A/en not_active Expired
- 1977-12-06 NL NL7713454A patent/NL7713454A/xx not_active Application Discontinuation
- 1977-12-07 AU AU31318/77A patent/AU511552B2/en not_active Expired
- 1977-12-07 AT AT0878177A patent/ATA878177A/de not_active Application Discontinuation
- 1977-12-07 SE SE7713856A patent/SE7713856L/xx unknown
- 1977-12-07 JP JP14619977A patent/JPS5372506A/ja active Pending
- 1977-12-07 DK DK544377A patent/DK544377A/da unknown
- 1977-12-07 IT IT30518/77A patent/IT1110184B/it active
- 1977-12-07 GB GB50925/77A patent/GB1543280A/en not_active Expired
- 1977-12-08 BE BE183288A patent/BE861646A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5372506A (en) | 1978-06-28 |
| NL7713454A (nl) | 1978-06-13 |
| DE2752883A1 (de) | 1978-06-15 |
| FR2373927B1 (enExample) | 1979-06-29 |
| US4135062A (en) | 1979-01-16 |
| DK544377A (da) | 1978-06-11 |
| SE7713856L (sv) | 1978-06-11 |
| AU3131877A (en) | 1979-06-14 |
| IT1110184B (it) | 1985-12-23 |
| ATA878177A (de) | 1982-05-15 |
| FR2373927A1 (fr) | 1978-07-07 |
| AU511552B2 (en) | 1980-08-21 |
| GB1543280A (en) | 1979-03-28 |
| BE861646A (fr) | 1978-06-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |