CA1036731A - Circuit boucle de commande de poste pour systeme de commutation telephonique - Google Patents

Circuit boucle de commande de poste pour systeme de commutation telephonique

Info

Publication number
CA1036731A
CA1036731A CA291,879A CA291879A CA1036731A CA 1036731 A CA1036731 A CA 1036731A CA 291879 A CA291879 A CA 291879A CA 1036731 A CA1036731 A CA 1036731A
Authority
CA
Canada
Prior art keywords
ringing
line
circuit
relay
group
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
CA291,879A
Other languages
English (en)
Inventor
John F. O'neill
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 US521650A external-priority patent/US3916118A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1036731A publication Critical patent/CA1036731A/fr
Expired legal-status Critical Current

Links

CA291,879A 1974-11-07 1977-11-28 Circuit boucle de commande de poste pour systeme de commutation telephonique Expired CA1036731A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US521650A US3916118A (en) 1974-11-07 1974-11-07 Station loop control arrangement for telephone switching system
CA238,198A CA1036730A (fr) 1974-11-07 1975-10-23 Montage pour commande de boucle de poste pour systeme de commutation telephonique

Publications (1)

Publication Number Publication Date
CA1036731A true CA1036731A (fr) 1978-08-15

Family

ID=25668119

Family Applications (3)

Application Number Title Priority Date Filing Date
CA291,881A Expired CA1036733A (fr) 1974-11-07 1977-11-28 Circuit boucle de commande de poste pour systeme de commutation telephonique
CA291,880A Expired CA1036732A (fr) 1974-11-07 1977-11-28 Circuit boucle de commande de poste pour systeme de commutation telephonique
CA291,879A Expired CA1036731A (fr) 1974-11-07 1977-11-28 Circuit boucle de commande de poste pour systeme de commutation telephonique

Family Applications Before (2)

Application Number Title Priority Date Filing Date
CA291,881A Expired CA1036733A (fr) 1974-11-07 1977-11-28 Circuit boucle de commande de poste pour systeme de commutation telephonique
CA291,880A Expired CA1036732A (fr) 1974-11-07 1977-11-28 Circuit boucle de commande de poste pour systeme de commutation telephonique

Country Status (1)

Country Link
CA (3) CA1036733A (fr)

Also Published As

Publication number Publication date
CA1036732A (fr) 1978-08-15
CA1036733A (fr) 1978-08-15

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