LTIP2010A - Circuit arrangement for protecting electronic subcriber line circuits - Google Patents

Circuit arrangement for protecting electronic subcriber line circuits

Info

Publication number
LTIP2010A
LTIP2010A LTIP2010A LTIP2010A LTIP2010A LT IP2010 A LTIP2010 A LT IP2010A LT IP2010 A LTIP2010 A LT IP2010A LT IP2010 A LTIP2010 A LT IP2010A LT IP2010 A LTIP2010 A LT IP2010A
Authority
LT
Lithuania
Prior art keywords
circuit arrangement
line circuits
protecting electronic
subcriber
subcriber line
Prior art date
Application number
LTIP2010A
Inventor
Ulrich Manicke
Martin Gericke
Ralf Stiawa
Original Assignee
Alcatel Sel Rft Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Sel Rft Gmbh filed Critical Alcatel Sel Rft Gmbh
Publication of LTIP2010A publication Critical patent/LTIP2010A/en
Publication of LT3384B publication Critical patent/LT3384B/en

Links

Classifications

    • 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
    • H02H9/048—Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H04M1/745—Protection devices or circuits for voltages surges on the line
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/80—Electronic components, circuits, software, systems or apparatus used in telephone systems line protection circuits such as current or overvoltage protection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Medicinal Preparation (AREA)
LTIP2010A 1993-08-07 1994-07-22 Circuit arrangement for protecting electronic subcriber line circuits LT3384B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4326596A DE4326596C2 (en) 1993-08-07 1993-08-07 Protective circuit arrangement for electronic subscriber circuits

Publications (2)

Publication Number Publication Date
LTIP2010A true LTIP2010A (en) 1995-02-27
LT3384B LT3384B (en) 1995-08-25

Family

ID=6494703

Family Applications (1)

Application Number Title Priority Date Filing Date
LTIP2010A LT3384B (en) 1993-08-07 1994-07-22 Circuit arrangement for protecting electronic subcriber line circuits

Country Status (5)

Country Link
DE (1) DE4326596C2 (en)
LT (1) LT3384B (en)
LV (1) LV11245B (en)
RU (1) RU2124274C1 (en)
UA (1) UA23021C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19651963C1 (en) * 1996-12-13 1998-03-26 Siemens Ag Over-voltage detection method for subscriber line wires
DE19651964C2 (en) * 1996-12-13 2000-08-31 Siemens Ag Method for recognizing dangerous external voltages on the wires of subscriber lines, via which subscriber terminals are connected to their subscriber line circuit of a telecommunications exchange
DE19823446B4 (en) 1998-05-18 2009-08-27 Epcos Ag Assembly for protecting telecommunications equipment against overvoltages
DE19837820C2 (en) * 1998-08-20 2002-07-18 Tenovis Gmbh & Co Kg Device for protecting a voltage supply unit against overvoltages
US6885745B1 (en) 1998-12-17 2005-04-26 Nortel Networks, Ltd. Voltage and protection arrangement for a telephone subscriber line interface circuit
US6563926B1 (en) * 1999-07-27 2003-05-13 Nortel Networks Limited Resetting surge protection in telephone line interface circuits
DE10241354A1 (en) * 2002-09-06 2004-03-18 Xignal Technologies Ag Integrated circuit with overvoltage protection for microelectronic communication systems, has thyristors at input connections and thyristor current detection system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE281331C (en)
SE426002B (en) * 1980-12-23 1982-11-29 Ellemtel Utvecklings Ab DEVICE FOR PROTECTION OF A CIRCUIT IN A TELECOMMUNICATION EQUIPMENT
DE3215551A1 (en) * 1982-04-26 1983-10-27 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR OVERVOLTAGE PROTECTION OF INTERFACE CIRCUITS
DE3340927A1 (en) * 1983-11-11 1985-05-23 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR DERIVATING OVERVOLTAGE
DE3422995C1 (en) * 1984-06-22 1985-11-21 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Overvoltage protection circuit arrangement for telecommunications lines, in particular telephone lines
DE3538088C2 (en) * 1985-10-25 1993-11-11 Siemens Ag Circuit arrangement for surge protection in electronic telephone stations
DD281331A7 (en) * 1986-02-20 1990-08-08 Halbleiterwerk Veb CIRCUIT ARRANGEMENT FOR A CONTROLLABLE VOLTAGE SOURCE
DE3615581A1 (en) 1986-05-09 1987-11-12 Fabritius Hans Josef VARIABLE CLAMPING DEVICE FOR TOOLS
AR240631A1 (en) * 1986-06-06 1990-06-30 Siemens Ag Circuit for protecting an electronic subscriber line interface circuit
SU1374332A1 (en) * 1986-09-29 1988-02-15 Ленинградский институт инженеров железнодорожного транспорта им.акад.В.Н.Образцова Arrangement for overload protection of electronic load
CA1260171A (en) * 1987-05-15 1989-09-26 Reinhard W. Rosch Protection arrangement for a telephone subscriber line interface circuit

Also Published As

Publication number Publication date
RU2124274C1 (en) 1998-12-27
DE4326596A1 (en) 1995-02-09
LV11245A (en) 1996-04-20
LV11245B (en) 1996-08-20
UA23021C2 (en) 1998-06-30
RU94028268A (en) 1996-06-20
DE4326596C2 (en) 1997-07-17
LT3384B (en) 1995-08-25

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Legal Events

Date Code Title Description
PD9A Change of patent owner

Free format text: ALCATEL SEL AKTIENGESELLSCHAFT,LORENZSTRASSE 10, 70435 STUTTGART,DE,19961008,

MM9A Lapsed patents

Effective date: 19980214

MM9A Lapsed patents

Effective date: 20000722