CA1183293A - Quadripole limiteur de parasites pour systemes de transmission telephonique de type 1 1 - Google Patents
Quadripole limiteur de parasites pour systemes de transmission telephonique de type 1 1Info
- Publication number
- CA1183293A CA1183293A CA000415380A CA415380A CA1183293A CA 1183293 A CA1183293 A CA 1183293A CA 000415380 A CA000415380 A CA 000415380A CA 415380 A CA415380 A CA 415380A CA 1183293 A CA1183293 A CA 1183293A
- Authority
- CA
- Canada
- Prior art keywords
- common
- wire
- wire connection
- quadrupole
- current
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 230000011664 signaling Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000010287 polarization Effects 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 244000045947 parasite Species 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000012358 sourcing Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
- H04Q5/245—Circuit arrangements in which for one subscriber low frequency speech and/or signalling signals proceed on the line, while for the other subscriber the low frequency speech and/or signalling signals are modulated upon a high frequency carrier signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8121314 | 1981-11-13 | ||
| FR8121314A FR2516726A1 (fr) | 1981-11-13 | 1981-11-13 | Quadripole limiteur de parasites pour systemes de transmission telephonique de type 1 + 1 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1183293A true CA1183293A (fr) | 1985-02-26 |
Family
ID=9263984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000415380A Expired CA1183293A (fr) | 1981-11-13 | 1982-11-12 | Quadripole limiteur de parasites pour systemes de transmission telephonique de type 1 1 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4418245A (enExample) |
| EP (1) | EP0079566B1 (enExample) |
| CA (1) | CA1183293A (enExample) |
| DE (1) | DE3262450D1 (enExample) |
| FR (1) | FR2516726A1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0720783B1 (en) * | 1992-12-02 | 1998-12-02 | Emc Corporation | Inrush current limiter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL27449A (en) * | 1966-05-11 | 1972-02-29 | Ped Inc | Telephone system with added main line subscriber facilities |
| GB1348141A (en) * | 1971-04-22 | 1974-03-13 | Standard Telephones Cables Ltd | Subscriber carrier telephone system |
| GB1411089A (en) * | 1971-12-20 | 1975-10-22 | Gen Electric Co Ltd | Telephone systems |
| US4210779A (en) * | 1978-08-11 | 1980-07-01 | Tii Corporation | Amplitude modulated telephone carrier system and terminal equipment therefor |
-
1981
- 1981-11-13 FR FR8121314A patent/FR2516726A1/fr active Granted
-
1982
- 1982-02-22 US US06/351,079 patent/US4418245A/en not_active Expired - Fee Related
- 1982-11-09 EP EP82110315A patent/EP0079566B1/fr not_active Expired
- 1982-11-09 DE DE8282110315T patent/DE3262450D1/de not_active Expired
- 1982-11-12 CA CA000415380A patent/CA1183293A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0079566B1 (fr) | 1985-02-20 |
| FR2516726B1 (enExample) | 1984-05-18 |
| FR2516726A1 (fr) | 1983-05-20 |
| DE3262450D1 (en) | 1985-03-28 |
| EP0079566A1 (fr) | 1983-05-25 |
| US4418245A (en) | 1983-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |