ES360942A1 - Detector de corriente de bucle. - Google Patents

Detector de corriente de bucle.

Info

Publication number
ES360942A1
ES360942A1 ES360942A ES360942A ES360942A1 ES 360942 A1 ES360942 A1 ES 360942A1 ES 360942 A ES360942 A ES 360942A ES 360942 A ES360942 A ES 360942A ES 360942 A1 ES360942 A1 ES 360942A1
Authority
ES
Spain
Prior art keywords
current
translation
machine
legally binding
google translate
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
ES360942A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES360942A1 publication Critical patent/ES360942A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Control Of Direct Current Motors (AREA)
  • Measurement Of Current Or Voltage (AREA)
ES360942A 1967-11-30 1968-11-30 Detector de corriente de bucle. Expired ES360942A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB54588/67A GB1200909A (en) 1967-11-30 1967-11-30 Loop current detector

Publications (1)

Publication Number Publication Date
ES360942A1 true ES360942A1 (es) 1970-08-01

Family

ID=10471497

Family Applications (1)

Application Number Title Priority Date Filing Date
ES360942A Expired ES360942A1 (es) 1967-11-30 1968-11-30 Detector de corriente de bucle.

Country Status (9)

Country Link
US (1) US3579106A (es)
BE (1) BE724752A (es)
BR (1) BR6804450D0 (es)
CH (1) CH483765A (es)
DE (1) DE1811645A1 (es)
ES (1) ES360942A1 (es)
FR (1) FR1599099A (es)
GB (1) GB1200909A (es)
NL (1) NL6817093A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2360375C3 (de) * 1973-12-04 1978-05-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Bewertung eines Stromes nach Größe und Richtung
JPS5637793A (en) * 1979-09-05 1981-04-11 Hitachi Ltd Loop detecting circuit
JPS6022571B2 (ja) * 1979-12-05 1985-06-03 株式会社日立製作所 地絡保護方式
CA2926612A1 (en) * 2013-09-30 2015-04-02 Welladv Oil Service Limited A drilling auxiliary system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047804A (en) * 1962-07-31 Apparatus for removing spurious signals
US2851638A (en) * 1957-07-03 1958-09-09 Reeves Instrument Corp Voltage magnitude comparison circuit

Also Published As

Publication number Publication date
NL6817093A (es) 1969-06-03
BE724752A (es) 1969-06-02
CH483765A (de) 1969-12-31
DE1811645A1 (de) 1969-07-24
BR6804450D0 (pt) 1973-03-08
FR1599099A (es) 1970-07-15
US3579106A (en) 1971-05-18
GB1200909A (en) 1970-08-05

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