CA1036731A - Circuit boucle de commande de poste pour systeme de commutation telephonique - Google Patents
Circuit boucle de commande de poste pour systeme de commutation telephoniqueInfo
- 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
Links
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) |
-
1977
- 1977-11-28 CA CA291,881A patent/CA1036733A/fr not_active Expired
- 1977-11-28 CA CA291,880A patent/CA1036732A/fr not_active Expired
- 1977-11-28 CA CA291,879A patent/CA1036731A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1036732A (fr) | 1978-08-15 |
CA1036733A (fr) | 1978-08-15 |
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