CA498130A - Systemes selectifs de signalisation electrique - Google Patents

Systemes selectifs de signalisation electrique

Info

Publication number
CA498130A
CA498130A CA498130A CA498130DA CA498130A CA 498130 A CA498130 A CA 498130A CA 498130 A CA498130 A CA 498130A CA 498130D A CA498130D A CA 498130DA CA 498130 A CA498130 A CA 498130A
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
CA498130A
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 CA498130A publication Critical patent/CA498130A/fr
Expired legal-status Critical Current

Links

CA498130A Systemes selectifs de signalisation electrique Expired CA498130A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA498130T

Publications (1)

Publication Number Publication Date
CA498130A true CA498130A (fr) 1953-12-01

Family

ID=35643565

Family Applications (1)

Application Number Title Priority Date Filing Date
CA498130A Expired CA498130A (fr) Systemes selectifs de signalisation electrique

Country Status (1)

Country Link
CA (1) CA498130A (fr)

Similar Documents

Publication Publication Date Title
CA492098A (fr) Systemes electriques selectifs de signalisation
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
CA494330A (fr) Systeme de signalisation de radio par fils
CA490775A (fr) Systeme de signalisation
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
CA495567A (fr) Systeme electrique
CA497627A (fr) Systeme electrique
CA495083A (fr) Systeme electrique
CA491190A (fr) Systeme electrique
CA492857A (fr) Systeme electrique
CA496860A (fr) Systeme electrique