CA481254A - Systemes de signalisation a pulsations - Google Patents

Systemes de signalisation a pulsations

Info

Publication number
CA481254A
CA481254A CA481254A CA481254DA CA481254A CA 481254 A CA481254 A CA 481254A CA 481254 A CA481254 A CA 481254A CA 481254D A CA481254D A CA 481254DA CA 481254 A CA481254 A CA 481254A
Authority
CA
Canada
Prior art keywords
signalling systems
pulse signalling
pulse
systems
signalling
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
CA481254A
Other languages
English (en)
Inventor
Kumar Chatterjea Prafulla
Thomas Scully Charles
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
Publication date
Application granted granted Critical
Publication of CA481254A publication Critical patent/CA481254A/fr
Expired legal-status Critical Current

Links

CA481254A Systemes de signalisation a pulsations Expired CA481254A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA481254T

Publications (1)

Publication Number Publication Date
CA481254A true CA481254A (fr) 1952-02-19

Family

ID=35620941

Family Applications (1)

Application Number Title Priority Date Filing Date
CA481254A Expired CA481254A (fr) Systemes de signalisation a pulsations

Country Status (1)

Country Link
CA (1) CA481254A (fr)

Similar Documents

Publication Publication Date Title
CA487821A (fr) Systemes de signalisation a modulation de pulsations
CA483397A (fr) Systemes multiplex a pulsations
CA488768A (fr) Systeme de signalisation
CA483424A (fr) Systeme de signaux multiplex a pulsations
CA492277A (fr) Systemes de signalisation de pulsations
CA488009A (fr) Systemes de limitation de pulsations
CA478317A (fr) Systemes de signaux a pulsations
CA483965A (fr) Systemes de signalisation a multi-canalisation
CA483755A (fr) Systeme de signalisation a multi-canalisation
CA484368A (fr) Systeme multiplex a pulsations
CA482005A (fr) Systeme de retard de pulsations
CA477901A (fr) Systemes de signalisation a pulsations
AU157982B2 (en) Pulse communication system
CA487622A (fr) Systeme de code a pulsations
CA482669A (fr) Systemes generateurs de pulsations
CA481230A (fr) Systemes producteurs de pulsations multiples
CA489164A (fr) Systemes d'alarme
CA487688A (fr) Dispositif de signalisation
CA485320A (fr) Systemes de signalisation a multi-canalisation
CA481968A (fr) Systemes de radiodiffusion
AU161820B2 (en) Electrical signalling systems
CA481871A (fr) Systemes de signaux de chemins de fer
CA481869A (fr) Systemes de signaux de chemins de fer
AU159465B2 (en) Improvements in or relating to pulse signalling systems
AU160438B2 (en) Improvements in or relating to pulse signalling systems