DE69320479D1 - Ferngetriebener schalter und schutzanordnung - Google Patents

Ferngetriebener schalter und schutzanordnung

Info

Publication number
DE69320479D1
DE69320479D1 DE69320479T DE69320479T DE69320479D1 DE 69320479 D1 DE69320479 D1 DE 69320479D1 DE 69320479 T DE69320479 T DE 69320479T DE 69320479 T DE69320479 T DE 69320479T DE 69320479 D1 DE69320479 D1 DE 69320479D1
Authority
DE
Germany
Prior art keywords
pct
lines
sec
subjected
pair
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 - Fee Related
Application number
DE69320479T
Other languages
English (en)
Other versions
DE69320479T2 (de
Inventor
Dennis Pryor
Michael Collingsmead E Challis
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.)
Raychem Ltd
Original Assignee
Raychem 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 Raychem Ltd filed Critical Raychem Ltd
Publication of DE69320479D1 publication Critical patent/DE69320479D1/de
Application granted granted Critical
Publication of DE69320479T2 publication Critical patent/DE69320479T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
    • 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
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/301—Circuit arrangements at the subscriber's side of the line
    • 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
    • H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Selective Calling Equipment (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Electronic Switches (AREA)
  • Devices For Supply Of Signal Current (AREA)
DE69320479T 1992-07-01 1993-06-30 Ferngetriebener schalter und schutzanordnung Expired - Fee Related DE69320479T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929213992A GB9213992D0 (en) 1992-07-01 1992-07-01 Remotely actuated switch and protection circuit
PCT/GB1993/001371 WO1994001960A1 (en) 1992-07-01 1993-06-30 Remotely actuated switch and protection circuit

Publications (2)

Publication Number Publication Date
DE69320479D1 true DE69320479D1 (de) 1998-09-24
DE69320479T2 DE69320479T2 (de) 1999-04-29

Family

ID=10718036

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320479T Expired - Fee Related DE69320479T2 (de) 1992-07-01 1993-06-30 Ferngetriebener schalter und schutzanordnung

Country Status (22)

Country Link
US (1) US5604785A (de)
EP (1) EP0649584B1 (de)
JP (1) JPH07508624A (de)
CN (1) CN1076920C (de)
AT (1) ATE170029T1 (de)
AU (1) AU681587B2 (de)
BG (1) BG99314A (de)
BR (1) BR9306640A (de)
CA (1) CA2139435A1 (de)
CZ (1) CZ334894A3 (de)
DE (1) DE69320479T2 (de)
ES (1) ES2120507T3 (de)
FI (1) FI110906B (de)
GB (1) GB9213992D0 (de)
HU (1) HUT73888A (de)
IL (1) IL106194A (de)
MY (1) MY113346A (de)
NO (1) NO945081D0 (de)
NZ (1) NZ253746A (de)
SK (1) SK160894A3 (de)
TW (1) TW232107B (de)
WO (1) WO1994001960A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9223770D0 (en) * 1992-11-12 1992-12-23 Raychem Ltd Communication channel testing arrangement
GB9403646D0 (en) * 1994-02-25 1994-04-13 Raychem Ltd Switching device for telecommunications channel
US5809109A (en) * 1995-06-01 1998-09-15 Advanced Micro Devices, Inc. Integrated ring sensor with fault detection
US5717752A (en) * 1995-06-30 1998-02-10 Siemens Components Data access arrangement
US5867557A (en) * 1996-05-17 1999-02-02 Texas Instruments Incorporated Remotely controlled communication line diagnostic apparatus and method
FR2754662B1 (fr) * 1996-10-14 1998-12-04 Henri Depaepe Sa Terminal de telecommunications d'essais
SE507739C2 (sv) * 1996-11-08 1998-07-06 Ericsson Telefon Ab L M Anordning vid en linjekrets för mätning av linjespänning
SG74050A1 (en) * 1998-05-06 2000-07-18 Compaq Computer Corp Analog modem overcurrent protection against digital-line current
DE19843601A1 (de) * 1998-09-23 2000-03-30 Alcatel Sa Netzabschlußeinrichtung eines Telekommunikationsnetzes
US6278769B1 (en) 1998-11-25 2001-08-21 Westell Technologies, Inc. Signaling method for invoking a test mode in a network interface unit
US6181775B1 (en) * 1998-11-25 2001-01-30 Westell Technologies, Inc. Dual test mode network interface unit for remote testing of transmission line and customer equipment
US6212258B1 (en) * 1998-11-25 2001-04-03 Westell Technologies, Inc. Device for remotely testing a twisted pair transmission line
US6411680B1 (en) * 1999-03-26 2002-06-25 Tempo Europe Limited Telephonic apparatus and input device for telephonic apparatus
AU4007300A (en) * 1999-05-10 2000-11-21 Westell Technologies, Inc. Signaling method for invoking a test mode in a network interface unit
US6177875B1 (en) * 1999-09-28 2001-01-23 Rockwell Technologies, Llc Simple voltage window sensing circuit
US6614881B1 (en) 2000-10-17 2003-09-02 Tyco Electronics Corporation Remotely operable telecommunications conductor test circuit and method for using the same
DE102005037047B3 (de) * 2005-08-05 2006-12-28 Novar Gmbh Gebäudeleittechnik- oder Gefahrenmeldeanlage
US9136796B2 (en) 2013-06-18 2015-09-15 Texas Instruments Incorporated Negative audio signal voltage protection circuit and method for audio ground circuits
US11121547B2 (en) 2019-04-02 2021-09-14 Analog Devices International Unlimited Company Device and method for overvoltage protection

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725613A (en) * 1971-02-25 1973-04-03 Rochester Tel Corp Apparatus for protecting and testing telephone network
US4143250A (en) * 1976-12-13 1979-03-06 Tii Corporation Telephone isolation system
US4197435A (en) * 1978-02-24 1980-04-08 Jackson Amos R Telephone line monitoring circuit and method
US4169220A (en) * 1978-10-02 1979-09-25 Fields Gary C Telephone instrument connection block with remotely actuated line test
JPS57103565U (de) * 1980-12-16 1982-06-25
JPS5918248A (ja) * 1982-07-22 1984-01-30 Nippon Denso Co Ltd 内燃機関の燃料噴射制御方法
US4489221A (en) * 1982-08-23 1984-12-18 Micro Computer Systems, Inc. Telephone line/subscriber equipment disconnect apparatus
GB2149274A (en) * 1983-10-31 1985-06-05 Teradyne Inc Testing subscriber lines
US4582960A (en) * 1984-05-17 1986-04-15 Porta Systems Corp. Subscriber network interface device
US4653084A (en) * 1984-07-20 1987-03-24 Om Ahuja Remote actuated switch
US4700380A (en) * 1984-07-20 1987-10-13 Om Ahuja Solid state remote actuable switch
DE3513598A1 (de) * 1985-04-16 1986-10-16 Neumann Elektronik GmbH, 4330 Mülheim Einrichtung zur pruefung einer fernmeldeleitung zwischen einer vermittlungsstelle und einem teilnehmeranschluss von der vermittlungsstelle aus
US4626632A (en) * 1985-07-25 1986-12-02 Porta Systems Corp. Maintenance termination unit
GB2181625A (en) * 1985-10-15 1987-04-23 Teradyne Inc Apparatus for connecting and disconnecting telephone equipment
US4862491A (en) * 1987-04-14 1989-08-29 Teletech Pty. Ltd. Remote disconnection and short-circuiting apparatus and method
CA1260171A (en) * 1987-05-15 1989-09-26 Reinhard W. Rosch Protection arrangement for a telephone subscriber line interface circuit
US4807277A (en) * 1987-05-15 1989-02-21 Keptel, Inc. Remotely activated switching apparatus
US4852145A (en) * 1988-07-22 1989-07-25 Teradyne, Inc. Telephone subscriber loop test system
DK0552273T3 (da) * 1990-10-12 1996-12-30 Raychem Ltd Kredsløbsbeskyttelsesarrangement
GB9027111D0 (en) * 1990-12-13 1991-02-06 Raychem Ltd Circuit protection device
GB9104133D0 (en) * 1991-02-27 1991-04-17 Plessey Telecomm Remote line test facility
GB9114717D0 (en) * 1991-07-08 1991-08-28 Raychem Ltd Circuit protection arrangement
GB9200332D0 (en) * 1992-01-08 1992-02-26 Plessey Telecomm Termination unit with maintenance facility
US5357556A (en) * 1992-08-10 1994-10-18 Pacific Bell System and method for telephone network testing

Also Published As

Publication number Publication date
SK160894A3 (en) 1995-09-13
BR9306640A (pt) 1998-12-08
CA2139435A1 (en) 1994-01-20
MY113346A (en) 2002-01-31
HUT73888A (en) 1996-10-28
IL106194A (en) 1996-10-16
EP0649584B1 (de) 1998-08-19
TW232107B (de) 1994-10-11
AU4507293A (en) 1994-01-31
CN1085701A (zh) 1994-04-20
IL106194A0 (en) 1993-10-20
CN1076920C (zh) 2001-12-26
CZ334894A3 (en) 1995-08-16
FI946187A0 (fi) 1994-12-30
ES2120507T3 (es) 1998-11-01
ATE170029T1 (de) 1998-09-15
EP0649584A1 (de) 1995-04-26
GB9213992D0 (en) 1992-08-12
HU9403806D0 (en) 1995-02-28
FI110906B (fi) 2003-04-15
FI946187A (fi) 1994-12-30
BG99314A (en) 1995-10-31
WO1994001960A1 (en) 1994-01-20
JPH07508624A (ja) 1995-09-21
NO945081L (no) 1994-12-29
NZ253746A (en) 1996-05-28
US5604785A (en) 1997-02-18
NO945081D0 (no) 1994-12-29
DE69320479T2 (de) 1999-04-29
AU681587B2 (en) 1997-09-04

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BG103245A (en) Device for switching between terminals of different telephone networks
GB830087A (en) Improvements in or relating to telephone systems

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee