CA2085189A1 - Circuit arrangement for protecting interface circuits against overvoltages - Google Patents
Circuit arrangement for protecting interface circuits against overvoltagesInfo
- Publication number
- CA2085189A1 CA2085189A1 CA 2085189 CA2085189A CA2085189A1 CA 2085189 A1 CA2085189 A1 CA 2085189A1 CA 2085189 CA2085189 CA 2085189 CA 2085189 A CA2085189 A CA 2085189A CA 2085189 A1 CA2085189 A1 CA 2085189A1
- Authority
- CA
- Canada
- Prior art keywords
- circuit arrangement
- overvoltages
- transformer
- fuse element
- voltage potential
- 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.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Emergency Protection Circuit Devices (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4141074.2 | 1991-12-13 | ||
DE19914141074 DE4141074C1 (enrdf_load_stackoverflow) | 1991-12-13 | 1991-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2085189A1 true CA2085189A1 (en) | 1993-06-14 |
Family
ID=6446939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2085189 Abandoned CA2085189A1 (en) | 1991-12-13 | 1992-12-11 | Circuit arrangement for protecting interface circuits against overvoltages |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0546487A2 (enrdf_load_stackoverflow) |
CA (1) | CA2085189A1 (enrdf_load_stackoverflow) |
DE (1) | DE4141074C1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19725572A1 (de) * | 1997-06-17 | 1999-01-28 | Siemens Ag | Schaltungsanordnung für den teilnehmerfernen Abschluß einer Teilnehmerleitung in Form einer zweiadrigen Kupferleitung für die Übertragung von hochbitratigen Datensignalen neben analogen Telefonsignalen |
CN100403617C (zh) * | 2004-02-21 | 2008-07-16 | 华为技术有限公司 | 多路网口的防护方法以及具有多路网口的通信设备 |
AT512819B1 (de) * | 2012-04-19 | 2015-03-15 | Kmt Kunststoff Metalltechnik Gmbh | Vorrichtung und Verfahren zum Spritzgießen einer Ummantelung eines Bauteils |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3334952A1 (de) * | 1983-09-27 | 1985-04-18 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum schutz einer an die vierdrahtseite einer uebertragergabel angeschlossenen elektronikschaltung |
GB2225908B (en) * | 1988-11-11 | 1993-01-13 | Texas Instruments Ltd | Improvements in or relating to overvoltage protection circuits |
-
1991
- 1991-12-13 DE DE19914141074 patent/DE4141074C1/de not_active Expired - Fee Related
-
1992
- 1992-12-07 EP EP92120831A patent/EP0546487A2/de not_active Withdrawn
- 1992-12-11 CA CA 2085189 patent/CA2085189A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP0546487A2 (de) | 1993-06-16 |
EP0546487A3 (enrdf_load_stackoverflow) | 1994-01-26 |
DE4141074C1 (enrdf_load_stackoverflow) | 1993-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |