CA236894A - Circuit telephonique de sous-station - Google Patents

Circuit telephonique de sous-station

Info

Publication number
CA236894A
CA236894A CA236894A CA236894DA CA236894A CA 236894 A CA236894 A CA 236894A CA 236894 A CA236894 A CA 236894A CA 236894D A CA236894D A CA 236894DA CA 236894 A CA236894 A CA 236894A
Authority
CA
Canada
Prior art keywords
telephone circuit
substation telephone
substation
circuit
telephone
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
CA236894A
Other languages
English (en)
Inventor
G. Martin Talbot
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA236894A publication Critical patent/CA236894A/fr
Expired legal-status Critical Current

Links

CA236894A Circuit telephonique de sous-station Expired CA236894A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236894T

Publications (1)

Publication Number Publication Date
CA236894A true CA236894A (fr) 1924-01-08

Family

ID=35140923

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236894A Expired CA236894A (fr) Circuit telephonique de sous-station

Country Status (1)

Country Link
CA (1) CA236894A (fr)

Similar Documents

Publication Publication Date Title
CA237629A (fr) Systeme telephonique
CA236894A (fr) Circuit telephonique de sous-station
CA243886A (fr) Circuit de sous-poste telephonique
CA243504A (fr) Circuit de poste secondaire telephonique
CA244582A (fr) Circuit de telephone
CA245459A (fr) Circuit telephonique
CA235656A (fr) Circuit de poste secondaire de telephone
CA238907A (fr) Circuit de troncon telephonique
CA245450A (fr) Circuit de troncon telephonique
CA238142A (fr) Circuit telephonique de station
CA242653A (fr) Circuit electrique
CA238131A (fr) Commutateur telephonique
CA238339A (fr) Commutateur telephonique
CA239070A (fr) Commutateur telephonique
CA241836A (fr) Coupe-circuit
CA242696A (fr) Coupe-circuit
CA241472A (fr) Circuit electrique
CA261806A (fr) Circuit telephonique
CA219437A (fr) Circuit telephonique
CA238728A (fr) Reservoir de coupe-circuit
CA241825A (fr) Protection de circuit electrique
CA243562A (fr) Coupe-circuit electrique
CA232452A (fr) Dispositif de circuits d'installation telephonique
CA209112A (fr) Circuit de sous-station telephonique
CA209340A (fr) Circuit de sous-station