DK154385C - Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinie - Google Patents
Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinieInfo
- Publication number
- DK154385C DK154385C DK398184A DK398184A DK154385C DK 154385 C DK154385 C DK 154385C DK 398184 A DK398184 A DK 398184A DK 398184 A DK398184 A DK 398184A DK 154385 C DK154385 C DK 154385C
- Authority
- DK
- Denmark
- Prior art keywords
- line
- tensions
- detecting hazardous
- detecting
- hazardous
- Prior art date
Links
- 231100001261 hazardous Toxicity 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
- H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8207303A SE434789B (sv) | 1982-12-21 | 1982-12-21 | Forfarande for detektering av farliga linjespenningar over en tvatradig linje |
| SE8207303 | 1982-12-21 | ||
| PCT/SE1983/000464 WO1984002625A1 (en) | 1982-12-21 | 1983-12-20 | Method of detecting hazardous line voltages over a two-wire line |
| SE8300464 | 1983-12-20 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK398184D0 DK398184D0 (da) | 1984-08-20 |
| DK398184A DK398184A (da) | 1984-08-20 |
| DK154385B DK154385B (da) | 1988-11-07 |
| DK154385C true DK154385C (da) | 1989-04-24 |
Family
ID=20349088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK398184A DK154385C (da) | 1982-12-21 | 1984-08-20 | Fremgangsmaade til detektering af farlige liniespaendinger paa en totraadslinie |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4631475A (it) |
| EP (1) | EP0128942B1 (it) |
| JP (1) | JPS60500196A (it) |
| AU (1) | AU560096B2 (it) |
| CA (1) | CA1236882A (it) |
| DE (1) | DE3366649D1 (it) |
| DK (1) | DK154385C (it) |
| FI (1) | FI75456C (it) |
| IT (1) | IT1170035B (it) |
| SE (1) | SE434789B (it) |
| WO (1) | WO1984002625A1 (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060055265A1 (en) * | 2004-09-16 | 2006-03-16 | Zalusky James T | Printed circuit board motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4203012A (en) * | 1977-07-14 | 1980-05-13 | Boxall Frank S | Hybrid circuit using current mirror circuits |
| JPS5836312B2 (ja) * | 1978-08-21 | 1983-08-08 | 日本電信電話株式会社 | 通信用平衡ケ−ブル線路の障害位置測定方式 |
| DE2839875C2 (de) * | 1978-09-13 | 1984-03-29 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Prüfung einer Nachrichtenstation |
| FR2448258A1 (fr) * | 1979-02-05 | 1980-08-29 | Trt Telecom Radio Electr | Systeme de test d'un dispositif muni d'un annuleur d'echo |
| SE426764B (sv) * | 1981-11-02 | 1983-02-07 | Ellemtel Utvecklings Ab | Forfarande att astadkomma adaptiv ekoeliminering vid overforing av digital information i duplex jemte anordning for utforande av forfarandet |
| DE3245588A1 (de) * | 1982-12-09 | 1984-06-14 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Verfahren und schaltungsanordnung zur fehlerortung bei einem digitalen fernmelde-teilnehmeranschluss |
-
1982
- 1982-12-21 SE SE8207303A patent/SE434789B/sv not_active IP Right Cessation
-
1983
- 1983-12-14 CA CA000443307A patent/CA1236882A/en not_active Expired
- 1983-12-20 AU AU24118/84A patent/AU560096B2/en not_active Ceased
- 1983-12-20 WO PCT/SE1983/000464 patent/WO1984002625A1/en active IP Right Grant
- 1983-12-20 DE DE8484900321T patent/DE3366649D1/de not_active Expired
- 1983-12-20 EP EP84900321A patent/EP0128942B1/en not_active Expired
- 1983-12-20 US US06/626,865 patent/US4631475A/en not_active Expired - Lifetime
- 1983-12-20 JP JP59500362A patent/JPS60500196A/ja active Granted
- 1983-12-21 IT IT24304/83A patent/IT1170035B/it active
-
1984
- 1984-08-20 DK DK398184A patent/DK154385C/da active
- 1984-12-14 FI FI844953A patent/FI75456C/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US4631475A (en) | 1986-12-23 |
| SE8207303L (sv) | 1984-06-22 |
| SE8207303D0 (sv) | 1982-12-21 |
| DK398184D0 (da) | 1984-08-20 |
| CA1236882A (en) | 1988-05-17 |
| FI844953L (fi) | 1984-12-14 |
| JPH056809B2 (it) | 1993-01-27 |
| AU2411884A (en) | 1984-07-17 |
| DE3366649D1 (en) | 1986-11-06 |
| EP0128942B1 (en) | 1986-10-01 |
| WO1984002625A1 (en) | 1984-07-05 |
| JPS60500196A (ja) | 1985-02-07 |
| EP0128942A1 (en) | 1984-12-27 |
| IT1170035B (it) | 1987-06-03 |
| AU560096B2 (en) | 1987-03-26 |
| IT8324304A0 (it) | 1983-12-21 |
| DK398184A (da) | 1984-08-20 |
| SE434789B (sv) | 1984-08-13 |
| FI75456B (fi) | 1988-02-29 |
| DK154385B (da) | 1988-11-07 |
| FI844953A0 (fi) | 1984-12-14 |
| FI75456C (sv) | 1988-06-09 |
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