CA1088684A - Detecteur de courant dans un circuit boucle - Google Patents

Detecteur de courant dans un circuit boucle

Info

Publication number
CA1088684A
CA1088684A CA299,647A CA299647A CA1088684A CA 1088684 A CA1088684 A CA 1088684A CA 299647 A CA299647 A CA 299647A CA 1088684 A CA1088684 A CA 1088684A
Authority
CA
Canada
Prior art keywords
loop
differential
input terminals
lead
current
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
CA299,647A
Other languages
English (en)
Inventor
Ralph R. Roge
Paul J. Curtis
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.)
Wescom Inc
Original Assignee
Wescom 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
Priority claimed from US05/843,712 external-priority patent/US4099032A/en
Application filed by Wescom Inc filed Critical Wescom Inc
Application granted granted Critical
Publication of CA1088684A publication Critical patent/CA1088684A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
CA299,647A 1977-03-25 1978-03-23 Detecteur de courant dans un circuit boucle Expired CA1088684A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US78120477A 1977-03-25 1977-03-25
US781,204 1977-03-25
US843,712 1977-10-20
US05/843,712 US4099032A (en) 1977-03-25 1977-10-20 Loop current detector

Publications (1)

Publication Number Publication Date
CA1088684A true CA1088684A (fr) 1980-10-28

Family

ID=27119822

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299,647A Expired CA1088684A (fr) 1977-03-25 1978-03-23 Detecteur de courant dans un circuit boucle

Country Status (1)

Country Link
CA (1) CA1088684A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry