CA450489A - Systeme de signalisation a ondes porteuses - Google Patents

Systeme de signalisation a ondes porteuses

Info

Publication number: CA450489A
Authority: CA; Canada
Prior art keywords: carrier wave; signalling system; wave signalling; carrier; wave
Prior art date: 1948-08-10
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

CA450489A

Other languages

English (en)

Inventor

A. Phelps Walter

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

Original Assignee

Western Electric Co Inc

Bell Telephone Laboratories Inc

Publication date

1948-08-10

1948-08-10 Application granted granted Critical

1948-08-10 Publication of CA450489A publication Critical patent/CA450489A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA450489A Systeme de signalisation a ondes porteuses Expired CA450489A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA450489T

Publications (1)

Publication Number	Publication Date
CA450489A true CA450489A (fr)	1948-08-10

Family

ID=35568207

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA450489A Expired CA450489A (fr)			Systeme de signalisation a ondes porteuses

Country Status (1)

Country	Link
CA (1)	CA450489A (fr)

0
- CA CA450489A patent/CA450489A/fr not_active Expired

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