CA269140A - Systeme de signalisation et de communication a haute frequence - Google Patents

Systeme de signalisation et de communication a haute frequence

Info

Publication number
CA269140A
CA269140A CA269140A CA269140DA CA269140A CA 269140 A CA269140 A CA 269140A CA 269140 A CA269140 A CA 269140A CA 269140D A CA269140D A CA 269140DA CA 269140 A CA269140 A CA 269140A
Authority
CA
Canada
Prior art keywords
high frequency
communicating system
frequency signalling
signalling
communicating
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
CA269140A
Other languages
English (en)
Inventor
B. Williams Samuel
H. Smythe Edwin
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 Corp
International Western Electric Co Inc
Original Assignee
Western Electric Co Inc
International Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA269140A publication Critical patent/CA269140A/fr
Expired legal-status Critical Current

Links

CA269140A Systeme de signalisation et de communication a haute frequence Expired CA269140A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA269140T

Publications (1)

Publication Number Publication Date
CA269140A true CA269140A (fr) 1927-03-15

Family

ID=35199170

Family Applications (1)

Application Number Title Priority Date Filing Date
CA269140A Expired CA269140A (fr) Systeme de signalisation et de communication a haute frequence

Country Status (1)

Country Link
CA (1) CA269140A (fr)

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