CA437374A - Signalling system - Google Patents

Signalling system

Info

Publication number
CA437374A
CA437374A CA437374A CA437374DA CA437374A CA 437374 A CA437374 A CA 437374A CA 437374 A CA437374 A CA 437374A CA 437374D A CA437374D A CA 437374DA CA 437374 A CA437374 A CA 437374A
Authority
CA
Canada
Prior art keywords
signalling system
signalling
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
CA437374A
Other languages
French (fr)
Inventor
E. Vaughan Henry
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
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA437374A publication Critical patent/CA437374A/en
Expired legal-status Critical Current

Links

CA437374A Signalling system Expired CA437374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA437374T

Publications (1)

Publication Number Publication Date
CA437374A true CA437374A (en) 1946-10-08

Family

ID=35552609

Family Applications (1)

Application Number Title Priority Date Filing Date
CA437374A Expired CA437374A (en) Signalling system

Country Status (1)

Country Link
CA (1) CA437374A (en)

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