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AU2002222282A1 - Modem protection circuit - Google Patents

Modem protection circuit

Info

Publication number
AU2002222282A1
AU2002222282A1 AU2002222282A AU2228202A AU2002222282A1 AU 2002222282 A1 AU2002222282 A1 AU 2002222282A1 AU 2002222282 A AU2002222282 A AU 2002222282A AU 2228202 A AU2228202 A AU 2228202A AU 2002222282 A1 AU2002222282 A1 AU 2002222282A1
Authority
AU
Australia
Prior art keywords
protection circuit
modem protection
modem
circuit
protection
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
Application number
AU2002222282A
Other languages
English (en)
Inventor
Steven Wilton Byatt
Michael John Maytum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Power Innovations Ltd
Original Assignee
Power Innovations Ltd
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 Power Innovations Ltd filed Critical Power Innovations Ltd
Publication of AU2002222282A1 publication Critical patent/AU2002222282A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Interface Circuits In Exchanges (AREA)
AU2002222282A 2000-12-20 2001-12-19 Modem protection circuit Abandoned AU2002222282A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0030991.4A GB0030991D0 (en) 2000-12-20 2000-12-20 Modem protection circuit
GB0030991 2000-12-20
PCT/GB2001/005647 WO2002050973A1 (fr) 2000-12-20 2001-12-19 Circuit de protection a modem

Publications (1)

Publication Number Publication Date
AU2002222282A1 true AU2002222282A1 (en) 2002-07-01

Family

ID=9905408

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002222282A Abandoned AU2002222282A1 (en) 2000-12-20 2001-12-19 Modem protection circuit

Country Status (4)

Country Link
US (1) US20020075623A1 (fr)
AU (1) AU2002222282A1 (fr)
GB (1) GB0030991D0 (fr)
WO (1) WO2002050973A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6683768B2 (en) * 2000-09-28 2004-01-27 Turnstone Systems, Inc. Circuit topology for protecting vulnerable micro electro-mechanical system (MEMS) and electronic relay devices
US6700770B2 (en) * 2002-03-22 2004-03-02 Turnstone Systems, Inc. Protection of double end exposed systems
US7821758B1 (en) 2006-11-16 2010-10-26 Adtran, Inc. Systems and methods for reducing intermodulation distortion
US7907381B2 (en) * 2008-03-12 2011-03-15 Zarlink Semiconductor (Us) Inc. Protection circuit for a subscriber line interface circuit
US8451576B2 (en) * 2008-05-30 2013-05-28 Littelfuse, Inc. SCR circuit for protecting central office end of telephone line
US20090296300A1 (en) * 2008-05-30 2009-12-03 Casey Kelly C SCR circuit for protecting customer end of telephone line
DE102009022832B4 (de) 2008-10-21 2019-03-21 DEHN + SÖHNE GmbH + Co. KG. Mehrstufige Überspannungsschutzschaltung, insbesondere für informationstechnische Anlagen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE426002B (sv) * 1980-12-23 1982-11-29 Ellemtel Utvecklings Ab Anordning for skydd av en krets i en telekommunikationsutrustning mot overspenningar
US5208718A (en) * 1988-12-12 1993-05-04 Alcatel N.V. Protection circuit
DE4402461A1 (de) * 1994-01-28 1995-08-03 Sel Alcatel Ag Schutzschaltung für eine Teilnehmeranschlußschaltung sowie Teilnehmeranschlußschaltung damit
GB2298533A (en) * 1994-07-29 1996-09-04 Texas Instruments Ltd Overvoltage protector
FR2746998B1 (fr) * 1996-03-26 1998-06-26 Sgs Thomson Microelectronics Protection contre les surtensions d'une interface de lignes telephoniques
IL123087A0 (en) * 1998-01-28 1998-09-24 Omry Rotem Lightning protection device for wired equipment

Also Published As

Publication number Publication date
WO2002050973A1 (fr) 2002-06-27
US20020075623A1 (en) 2002-06-20
GB0030991D0 (en) 2001-01-31

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