CA492098A - Systemes electriques selectifs de signalisation - Google Patents

Systemes electriques selectifs de signalisation

Info

Publication number
CA492098A
CA492098A CA492098DA CA492098A CA 492098 A CA492098 A CA 492098A CA 492098D A CA492098D A CA 492098DA CA 492098 A CA492098 A CA 492098A
Authority
CA
Canada
Prior art keywords
signalling systems
selective signalling
electrical selective
electrical
systems
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
Other languages
English (en)
Inventor
A. Stallworthy Frank
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA492098A publication Critical patent/CA492098A/fr
Expired legal-status Critical Current

Links

CA492098D Systemes electriques selectifs de signalisation Expired CA492098A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA492098T

Publications (1)

Publication Number Publication Date
CA492098A true CA492098A (fr) 1953-04-14

Family

ID=35637478

Family Applications (1)

Application Number Title Priority Date Filing Date
CA492098D Expired CA492098A (fr) Systemes electriques selectifs de signalisation

Country Status (1)

Country Link
CA (1) CA492098A (fr)

Similar Documents

Publication Publication Date Title
CA498130A (fr) Systemes selectifs de signalisation electrique
CA495174A (fr) Systemes de signalisation electrique
AU165057B2 (en) Electric selective signalling system
CA490688A (fr) Systemes electriques de signalisation
CA490790A (fr) Systemes electriques de signalisation
CA492291A (fr) Systemes de signalisation electrique
CA496169A (fr) Systemes de signalisation electrique
AU2046153A (en) Electric selective signalling system
CA498115A (fr) Systeme de signalisation electrique
CA493005A (fr) Systemes de signalisation a pulsations electriques
CA493576A (fr) Systemes de relais electriques
CA490775A (fr) Systeme de signalisation
CA494330A (fr) Systeme de signalisation de radio par fils
CA492293A (fr) Systemes de signalisation ou de commande electrique
CA492488A (fr) Systemes de communication electrique
CA493918A (fr) Systemes electriques de communication
CA498038A (fr) Systeme d'appel selectif
CA498169A (fr) Systeme de signalisation de telephone
CA497004A (fr) Systemes de signalisation a pulsations electriques
CA492080A (fr) Systeme electrique
CA491565A (fr) Systeme electrique
CA497228A (fr) Systeme electrique
CA492857A (fr) Systeme electrique
CA496044A (fr) Systeme electrique
CA493393A (fr) Systeme electrique