CA209659A - Systeme de signaux par ondes electro-magnetiques - Google Patents

Systeme de signaux par ondes electro-magnetiques

Info

Publication number: CA209659A
Authority: CA; Canada
Prior art keywords: electro; magnetic wave; signalling system; wave signalling; magnetic
Prior art date: 1921-03-22
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

CA209659A

Other languages

English (en)

Inventor

Hollingworth John

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.)

Individual

Original Assignee

Individual

Publication date

1921-03-22

1921-03-22 Application granted granted Critical

1921-03-22 Publication of CA209659A publication Critical patent/CA209659A/fr

Status Expired legal-status Critical Current

Links

230000011664 signaling Effects 0.000 title 1

CA209659A Systeme de signaux par ondes electro-magnetiques Expired CA209659A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA209659T

Publications (1)

Publication Number	Publication Date
CA209659A true CA209659A (fr)	1921-03-22

Family

ID=35103438

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA209659A Expired CA209659A (fr)			Systeme de signaux par ondes electro-magnetiques

Country Status (1)

Country	Link
CA (1)	CA209659A (fr)

0
- CA CA209659A patent/CA209659A/fr not_active Expired

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