CA478317A - Pulse signalling systems - Google Patents

Pulse signalling systems

Info

Publication number
CA478317A
CA478317A CA478317A CA478317DA CA478317A CA 478317 A CA478317 A CA 478317A CA 478317 A CA478317 A CA 478317A CA 478317D A CA478317D A CA 478317DA CA 478317 A CA478317 A CA 478317A
Authority
CA
Canada
Prior art keywords
signalling systems
pulse signalling
pulse
systems
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
CA478317A
Other languages
French (fr)
Inventor
Labin Emile
D. Grieg Donald
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.)
Federal Telephone and Radio Corp
Original Assignee
Federal Telephone and Radio Corp
Publication date
Application granted granted Critical
Publication of CA478317A publication Critical patent/CA478317A/en
Expired legal-status Critical Current

Links

CA478317A Pulse signalling systems Expired CA478317A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA478317T

Publications (1)

Publication Number Publication Date
CA478317A true CA478317A (en) 1951-11-06

Family

ID=35617972

Family Applications (1)

Application Number Title Priority Date Filing Date
CA478317A Expired CA478317A (en) Pulse signalling systems

Country Status (1)

Country Link
CA (1) CA478317A (en)

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