PL308764A1 - Switching equipment and communication system, especially a termal provided with such equipment - Google Patents

Switching equipment and communication system, especially a termal provided with such equipment

Info

Publication number
PL308764A1
PL308764A1 PL93308764A PL30876493A PL308764A1 PL 308764 A1 PL308764 A1 PL 308764A1 PL 93308764 A PL93308764 A PL 93308764A PL 30876493 A PL30876493 A PL 30876493A PL 308764 A1 PL308764 A1 PL 308764A1
Authority
PL
Poland
Prior art keywords
equipment
termal
communication system
switching
switching equipment
Prior art date
Application number
PL93308764A
Other languages
English (en)
Inventor
Dennis Malcolm Pryor
Michael Challis
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 PL308764A1 publication Critical patent/PL308764A1/xx

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
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/025—Current limitation using field effect transistors
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Networks Using Active Elements (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
PL93308764A 1992-11-12 1993-11-02 Switching equipment and communication system, especially a termal provided with such equipment PL308764A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929223773A GB9223773D0 (en) 1992-11-12 1992-11-12 Switching arrangement
PCT/GB1993/002249 WO1994011936A1 (en) 1992-11-12 1993-11-02 Switching arrangement

Publications (1)

Publication Number Publication Date
PL308764A1 true PL308764A1 (en) 1995-08-21

Family

ID=10725000

Family Applications (1)

Application Number Title Priority Date Filing Date
PL93308764A PL308764A1 (en) 1992-11-12 1993-11-02 Switching equipment and communication system, especially a termal provided with such equipment

Country Status (21)

Country Link
EP (1) EP0669049A1 (fi)
JP (1) JPH08503357A (fi)
KR (1) KR950704844A (fi)
CN (1) CN1089403A (fi)
AU (1) AU5375094A (fi)
BG (1) BG99627A (fi)
BR (1) BR9307421A (fi)
CA (1) CA2148362A1 (fi)
CZ (1) CZ124695A3 (fi)
FI (1) FI952317A (fi)
GB (1) GB9223773D0 (fi)
HU (1) HUT73624A (fi)
IL (1) IL107573A (fi)
MX (1) MX9307078A (fi)
NO (1) NO951862D0 (fi)
PL (1) PL308764A1 (fi)
RU (1) RU95112565A (fi)
SK (1) SK62695A3 (fi)
TR (1) TR28861A (fi)
TW (1) TW280046B (fi)
WO (1) WO1994011936A1 (fi)

Families Citing this family (15)

* 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
IL115797A0 (en) * 1994-11-02 1996-01-19 Raychem Corp Solid state resettable overcurrent protection device
US5684663A (en) * 1995-09-29 1997-11-04 Motorola, Inc. Protection element and method for protecting a circuit
FI102993B (fi) * 1997-06-10 1999-03-31 Lexel Finland Ab Oy Puolijohdekytkimen oikosulkusuoja
GB9820132D0 (en) 1998-09-16 1998-11-11 Raychem Ltd Battery over-discharge protection
DE102008001114A1 (de) * 2008-04-10 2009-10-15 Robert Bosch Gmbh Steuerschaltung und Steuerverfahren für Glühstiftkerzen zum Schutz vor Verpolung
US8169763B2 (en) * 2008-06-26 2012-05-01 Bourns, Inc. Transient blocking unit having an enhancement mode device in the primary current path
US8884585B2 (en) * 2009-04-16 2014-11-11 Valence Technology, Inc. Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods
CN103280996B (zh) * 2013-06-28 2016-04-27 上海坤锐电子科技有限公司 多电荷泵结构的整流电路
WO2015022017A1 (en) * 2013-08-13 2015-02-19 Hewlett-Packard Development Company, L.P. Protection of communication lines against short circuits
TWI497867B (zh) * 2014-02-24 2015-08-21 台達電子工業股份有限公司 輸出電源保護裝置及其操作方法
JP6309855B2 (ja) * 2014-07-31 2018-04-11 株式会社東芝 レギュレータ回路
EP3041103A1 (en) * 2014-12-29 2016-07-06 Rockwell Automation Limited Circuit protection
CN106611945A (zh) * 2015-10-21 2017-05-03 天地融科技股份有限公司 一种线路保护电路及通信设备
CN109462328B (zh) * 2018-10-30 2020-09-08 深圳市航天新源科技有限公司 一种具有多种输入保护功能的低损耗双向开关电路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340927A1 (de) * 1983-11-11 1985-05-23 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur ableitung von ueberspannungen
US4618743A (en) * 1984-11-27 1986-10-21 Harris Corporation Monolithic transient protector

Also Published As

Publication number Publication date
TR28861A (tr) 1997-07-28
HUT73624A (en) 1996-08-28
WO1994011936A1 (en) 1994-05-26
MX9307078A (es) 1994-05-31
KR950704844A (ko) 1995-11-20
EP0669049A1 (en) 1995-08-30
FI952317A0 (fi) 1995-05-12
NO951862L (no) 1995-05-11
FI952317A (fi) 1995-05-12
BG99627A (en) 1996-01-31
CN1089403A (zh) 1994-07-13
TW280046B (fi) 1996-07-01
BR9307421A (pt) 1999-08-31
AU5375094A (en) 1994-06-08
NO951862D0 (no) 1995-05-11
HU9501359D0 (en) 1995-06-28
CZ124695A3 (en) 1995-12-13
GB9223773D0 (en) 1992-12-23
IL107573A0 (en) 1994-02-27
SK62695A3 (en) 1996-01-10
JPH08503357A (ja) 1996-04-09
IL107573A (en) 1996-09-12
RU95112565A (ru) 1996-12-27
CA2148362A1 (en) 1994-05-26

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