CA505876A - Telephone signaling system - Google Patents

Telephone signaling system

Info

Publication number
CA505876A
CA505876A CA505876A CA505876DA CA505876A CA 505876 A CA505876 A CA 505876A CA 505876 A CA505876 A CA 505876A CA 505876D A CA505876D A CA 505876DA CA 505876 A CA505876 A CA 505876A
Authority
CA
Canada
Prior art keywords
signaling system
telephone signaling
telephone
signaling
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
CA505876A
Other languages
French (fr)
Inventor
J. Kircher Reymond
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
Publication date
Application granted granted Critical
Publication of CA505876A publication Critical patent/CA505876A/en
Expired legal-status Critical Current

Links

CA505876A Telephone signaling system Expired CA505876A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA505876T

Publications (1)

Publication Number Publication Date
CA505876A true CA505876A (en) 1954-09-14

Family

ID=35651799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA505876A Expired CA505876A (en) Telephone signaling system

Country Status (1)

Country Link
CA (1) CA505876A (en)

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