CA693441A - Signalling circuit - Google Patents

Signalling circuit

Info

Publication number
CA693441A
CA693441A CA693441A CA693441DA CA693441A CA 693441 A CA693441 A CA 693441A CA 693441 A CA693441 A CA 693441A CA 693441D A CA693441D A CA 693441DA CA 693441 A CA693441 A CA 693441A
Authority
CA
Canada
Prior art keywords
signalling circuit
signalling
circuit
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
CA693441A
Inventor
A. Ghersi Dominick
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.)
American District Telegraph Co
Original Assignee
American District Telegraph Co
Publication date
Application granted granted Critical
Publication of CA693441A publication Critical patent/CA693441A/en
Expired legal-status Critical Current

Links

CA693441A Signalling circuit Expired CA693441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA693441T

Publications (1)

Publication Number Publication Date
CA693441A true CA693441A (en) 1964-09-01

Family

ID=36003690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA693441A Expired CA693441A (en) Signalling circuit

Country Status (1)

Country Link
CA (1) CA693441A (en)

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