CA475422A - Systemes et methodes de signalisation secretes sur ondes porteuses - Google Patents

Systemes et methodes de signalisation secretes sur ondes porteuses

Info

Publication number
CA475422A
CA475422A CA475422A CA475422DA CA475422A CA 475422 A CA475422 A CA 475422A CA 475422 A CA475422 A CA 475422A CA 475422D A CA475422D A CA 475422DA CA 475422 A CA475422 A CA 475422A
Authority
CA
Canada
Prior art keywords
systems
signalling methods
carrier signalling
secret carrier
secret
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
CA475422A
Other languages
English (en)
Inventor
L. King Kenneth
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 Inc
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA475422A publication Critical patent/CA475422A/fr
Expired legal-status Critical Current

Links

CA475422A Systemes et methodes de signalisation secretes sur ondes porteuses Expired CA475422A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA475422T

Publications (1)

Publication Number Publication Date
CA475422A true CA475422A (fr) 1951-07-17

Family

ID=35609407

Family Applications (1)

Application Number Title Priority Date Filing Date
CA475422A Expired CA475422A (fr) Systemes et methodes de signalisation secretes sur ondes porteuses

Country Status (1)

Country Link
CA (1) CA475422A (fr)

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