ATE217116T1 - Telefonschaltkreise beinhaltendes widerstandsnetzwerk - Google Patents

Telefonschaltkreise beinhaltendes widerstandsnetzwerk

Info

Publication number
ATE217116T1
ATE217116T1 AT94300262T AT94300262T ATE217116T1 AT E217116 T1 ATE217116 T1 AT E217116T1 AT 94300262 T AT94300262 T AT 94300262T AT 94300262 T AT94300262 T AT 94300262T AT E217116 T1 ATE217116 T1 AT E217116T1
Authority
AT
Austria
Prior art keywords
balancing resistor
thermistor
screen printed
relay
substrate
Prior art date
Application number
AT94300262T
Other languages
English (en)
Inventor
Richard E Caddock Jr
Original Assignee
Caddock Electronics Inc
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 Caddock Electronics Inc filed Critical Caddock Electronics Inc
Application granted granted Critical
Publication of ATE217116T1 publication Critical patent/ATE217116T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C13/00—Resistors not provided for elsewhere
    • H01C13/02—Structural combinations of resistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/048—Fuse resistors
    • H01H2085/0483—Fuse resistors with temperature dependent resistor, e.g. thermistor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/0039—Means for influencing the rupture process of the fusible element
    • H01H85/0073—Expansion or rupture of the insulating support for the fusible element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/046—Fuses formed as printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/048—Fuse resistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Telephone Function (AREA)
  • Thermistors And Varistors (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
AT94300262T 1993-01-19 1994-01-14 Telefonschaltkreise beinhaltendes widerstandsnetzwerk ATE217116T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US558993A 1993-01-19 1993-01-19
US08/037,927 US5361300A (en) 1993-01-19 1993-03-26 Balancing resistor and thermistor network for telephone circuits, and combination thereof with relay

Publications (1)

Publication Number Publication Date
ATE217116T1 true ATE217116T1 (de) 2002-05-15

Family

ID=26674513

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94300262T ATE217116T1 (de) 1993-01-19 1994-01-14 Telefonschaltkreise beinhaltendes widerstandsnetzwerk

Country Status (4)

Country Link
US (1) US5361300A (de)
EP (1) EP0608077B1 (de)
AT (1) ATE217116T1 (de)
DE (1) DE69430497T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914648A (en) * 1995-03-07 1999-06-22 Caddock Electronics, Inc. Fault current fusing resistor and method
SE509341C2 (sv) * 1996-02-01 1999-01-11 Ericsson Telefon Ab L M Telefonväxelanpassad linjekretskoppling
US5889462A (en) * 1996-04-08 1999-03-30 Bourns, Inc. Multilayer thick film surge resistor network
US8254142B2 (en) 2009-09-22 2012-08-28 Wintec Industries, Inc. Method of using conductive elastomer for electrical contacts in an assembly
US8593825B2 (en) * 2009-10-14 2013-11-26 Wintec Industries, Inc. Apparatus and method for vertically-structured passive components
US11636993B2 (en) 2019-09-06 2023-04-25 Eaton Intelligent Power Limited Fabrication of printed fuse

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE341746B (de) * 1970-03-10 1972-09-18 Ericsson Telefon Ab L M
US3778744A (en) * 1973-02-28 1973-12-11 H Brandi Film resistors
GB1466569A (en) * 1973-10-05 1977-03-09 Erie Electronics Ltd Resistors
US4041440A (en) * 1976-05-13 1977-08-09 General Motors Corporation Method of adjusting resistance of a thick-film thermistor
DE2651071B2 (de) * 1976-11-09 1980-03-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Herstellung eines abgeglichenen Widerstandes in Dickschichttechnik
US4297670A (en) * 1977-06-03 1981-10-27 Angstrohm Precision, Inc. Metal foil resistor
DE3245629A1 (de) * 1982-12-09 1984-06-14 Telefunken electronic GmbH, 6000 Frankfurt Sicherungselement mit einer dickschichtwiderstandsanordnung
US4528546A (en) * 1983-05-02 1985-07-09 National Semiconductor Corporation High power thick film
US4467310A (en) * 1983-10-03 1984-08-21 Northern Telecom Limited Telephone subscriber line battery feed resistor arrangements
FR2562711B1 (fr) * 1984-04-10 1987-01-23 Renix Electronique Sa Resistance haute tension de precision a faible encombrement en technologie couches epaisses
GB2163307B (en) * 1984-08-15 1987-12-16 Crystalate Electronics Fusible electrical resistor
US4809324A (en) * 1987-07-27 1989-02-28 Siemens Transmission Systems, Inc. Subscriber line interface circuit (SLIC) isolation from lighting-induced ground overshoots
JPH01220403A (ja) * 1988-02-26 1989-09-04 Murata Mfg Co Ltd ケース内蔵型の正特性サーミスタ
US4959751A (en) * 1988-08-16 1990-09-25 Delco Electronics Corporation Ceramic hybrid integrated circuit having surface mount device solder stress reduction
US4961065A (en) * 1989-03-27 1990-10-02 Cts Corporation Fail-safe resistor
GB2230921B (en) * 1989-04-25 1994-01-05 Plessey Telecomm Protective arrangement for telecommunications line interface circuit
US5204799A (en) * 1990-03-22 1993-04-20 Gpt Limited Protective arrangement for telecommunications line interface circuit
US5254969A (en) * 1991-04-02 1993-10-19 Caddock Electronics, Inc. Resistor combination and method
EP0507465B1 (de) * 1991-04-02 1998-12-02 Caddock Electronics, Inc. Widerstand, der imstande ist, als Überlastschalter zu agieren

Also Published As

Publication number Publication date
DE69430497D1 (de) 2002-06-06
EP0608077A2 (de) 1994-07-27
EP0608077A3 (de) 1995-03-22
EP0608077B1 (de) 2002-05-02
DE69430497T2 (de) 2002-10-10
US5361300A (en) 1994-11-01

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties