CA441188A - Systeme de signalisation secrete - Google Patents

Systeme de signalisation secrete

Info

Publication number: CA441188A
Authority: CA; Canada
Prior art keywords: signalling system; secret signalling; secret; signalling
Prior art date: 1947-05-06
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

CA441188A

Other languages

Inventor

D. Cook Ellsworth

Original Assignee

Canadian General Electric Co Ltd

Publication date

1947-05-06

1947-05-06 Application granted granted Critical

1947-05-06 Publication of CA441188A publication Critical patent/CA441188A/fr

Status Expired legal-status Critical Current

CA441188A Systeme de signalisation secrete Expired CA441188A (fr)

Application Number	Priority Date	Filing Date	Title
CA441188T

Publication Number	Publication Date
CA441188A true CA441188A (fr)	1947-05-06

Application Number	Title	Priority Date	Filing Date
CA441188A Expired CA441188A (fr)			Systeme de signalisation secrete

Country	Link
CA (1)	CA441188A (fr)

Publication	Publication Date	Title
CA441188A (fr)	1947-05-06	Systeme de signalisation secrete
AU141016B2 (en)	1947-10-02	Signalling system
CA439944A (fr)	1947-02-25	Systeme de signalisation
CA440968A (fr)	1947-04-22	Systeme de signalisation
CA443440A (fr)	1947-08-05	Systeme de signalisation
AU1493147A (en)	1947-10-02	Signalling system
AU138218B2 (en)	1947-06-26	Diversity signalling system
CA443406A (fr)	1947-08-05	Systeme de signalisation pour telephone
CA442795A (fr)	1947-07-08	Systeme de signalisation sous-marine
CA440041A (fr)	1947-03-04	Systeme de signalisation pour sous-marins
CA442796A (fr)	1947-07-08	Systeme de signalisation sous-marine
CA441672A (fr)	1947-05-27	Systeme electrique de signalisation
CA445079A (fr)	1947-11-18	Systeme de signalisation electrique
CA445527A (fr)	1947-12-09	Systeme de signalisation pour voie ferree
CA441742A (fr)	1947-05-27	Systeme telegraphique
CA440232A (fr)	1947-03-18	Element de signalisation
CA444618A (fr)	1947-10-21	Systeme de telautographie
CA440140A (fr)	1947-03-11	Systeme multiplex
AU1238447A (en)	1947-06-26	Diversity signalling system
CA439463A (fr)	1947-01-28	Systeme selecteur
CA445915A (fr)	1947-12-30	Systeme mecanique d'ecriture en chiffre
CA442107A (fr)	1947-06-10	Signalisation sous-marine
CA444569A (fr)	1947-10-14	Systeme de communication
CA443319A (fr)	1947-07-29	Systeme de communication
AU140162B2 (en)	1947-06-12	Communication system