CA566766A - Telephone signalling arrangements - Google Patents

Telephone signalling arrangements

Info

Publication number
CA566766A
CA566766A CA566766A CA566766DA CA566766A CA 566766 A CA566766 A CA 566766A CA 566766 A CA566766 A CA 566766A CA 566766D A CA566766D A CA 566766DA CA 566766 A CA566766 A CA 566766A
Authority
CA
Canada
Prior art keywords
telephone signalling
signalling arrangements
arrangements
telephone
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
CA566766A
Other languages
French (fr)
Inventor
N. Wroe 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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA566766A publication Critical patent/CA566766A/en
Expired legal-status Critical Current

Links

CA566766A Telephone signalling arrangements Expired CA566766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA566766T

Publications (1)

Publication Number Publication Date
CA566766A true CA566766A (en) 1958-12-02

Family

ID=35739284

Family Applications (1)

Application Number Title Priority Date Filing Date
CA566766A Expired CA566766A (en) Telephone signalling arrangements

Country Status (1)

Country Link
CA (1) CA566766A (en)

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