GB996165A - Improvements in or relating to electrical circuits - Google Patents

Improvements in or relating to electrical circuits

Info

Publication number
GB996165A
GB996165A GB32643/62A GB3264362A GB996165A GB 996165 A GB996165 A GB 996165A GB 32643/62 A GB32643/62 A GB 32643/62A GB 3264362 A GB3264362 A GB 3264362A GB 996165 A GB996165 A GB 996165A
Authority
GB
United Kingdom
Prior art keywords
highway
current
amplifier
monitoring
transistor
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
Application number
GB32643/62A
Other languages
English (en)
Inventor
Geoffrey George Pullum
Richard Brough Andrews
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB32643/62A priority Critical patent/GB996165A/en
Priority to DEJ24264A priority patent/DE1225231B/de
Priority to CH1034463A priority patent/CH422985A/de
Priority to FR945597A priority patent/FR1367311A/fr
Priority to US304393A priority patent/US3359379A/en
Publication of GB996165A publication Critical patent/GB996165A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/30Modifications for providing a predetermined threshold before switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Amplifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB32643/62A 1962-08-24 1962-08-24 Improvements in or relating to electrical circuits Expired GB996165A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB32643/62A GB996165A (en) 1962-08-24 1962-08-24 Improvements in or relating to electrical circuits
DEJ24264A DE1225231B (de) 1962-08-24 1963-08-16 Schaltungsanordnung zur UEberwachung des Stromes in einem Impulsstromkreis auf An- oder Abwesenheit von Impulsen, insbesondere in einer Zeitvielfach-UEbertragungsleitungeiner Fernsprech-Vermittlungsanlage
CH1034463A CH422985A (de) 1962-08-24 1963-08-22 Elektrische Schaltungsanordnung zur Ueberwachung von Stromkreisen
FR945597A FR1367311A (fr) 1962-08-24 1963-08-24 Perfectionnements aux circuits électriques
US304393A US3359379A (en) 1962-08-24 1963-08-26 Current monitoring circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32643/62A GB996165A (en) 1962-08-24 1962-08-24 Improvements in or relating to electrical circuits

Publications (1)

Publication Number Publication Date
GB996165A true GB996165A (en) 1965-06-23

Family

ID=10341829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32643/62A Expired GB996165A (en) 1962-08-24 1962-08-24 Improvements in or relating to electrical circuits

Country Status (5)

Country Link
US (1) US3359379A (enExample)
CH (1) CH422985A (enExample)
DE (1) DE1225231B (enExample)
FR (1) FR1367311A (enExample)
GB (1) GB996165A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2846526A (en) * 1955-06-20 1958-08-05 Bell Telephone Labor Inc Potential monitoring circuit
US3235676A (en) * 1960-11-22 1966-02-15 Ericsson Telefon Ab L M Insulation and short circuit testing apparatus for a pulse communication system

Also Published As

Publication number Publication date
CH422985A (de) 1966-10-31
FR1367311A (fr) 1964-07-17
DE1225231C2 (enExample) 1967-03-30
DE1225231B (de) 1966-09-22
US3359379A (en) 1967-12-19

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