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CA395615A - High frequency signalling system - Google Patents

High frequency signalling system

Info

Publication number
CA395615A
CA395615A CA395615A CA395615DA CA395615A CA 395615 A CA395615 A CA 395615A CA 395615 A CA395615 A CA 395615A CA 395615D A CA395615D A CA 395615DA CA 395615 A CA395615 A CA 395615A
Authority
CA
Canada
Prior art keywords
high frequency
signalling system
frequency signalling
signalling
frequency
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
CA395615A
Other languages
French (fr)
Inventor
Cecil Cork Edward
Lade Pawsey Joseph
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.)
Electrical and Musical Industries Ltd
Original Assignee
Electrical and Musical Industries Ltd
Publication date
Application granted granted Critical
Publication of CA395615A publication Critical patent/CA395615A/en
Expired legal-status Critical Current

Links

CA395615A High frequency signalling system Expired CA395615A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA395615T

Publications (1)

Publication Number Publication Date
CA395615A true CA395615A (en) 1941-04-01

Family

ID=35403062

Family Applications (1)

Application Number Title Priority Date Filing Date
CA395615A Expired CA395615A (en) High frequency signalling system

Country Status (1)

Country Link
CA (1) CA395615A (en)

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