CA493005A - Electric pulse signalling systems - Google Patents

Electric pulse signalling systems

Info

Publication number
CA493005A
CA493005A CA493005A CA493005DA CA493005A CA 493005 A CA493005 A CA 493005A CA 493005 A CA493005 A CA 493005A CA 493005D A CA493005D A CA 493005DA CA 493005 A CA493005 A CA 493005A
Authority
CA
Canada
Prior art keywords
electric pulse
signalling systems
pulse signalling
systems
electric
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
CA493005A
Other languages
French (fr)
Inventor
Edwin Head Norman
Ivan Farren Leslie
Moise Levy Maurice
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Publication date
Application granted granted Critical
Publication of CA493005A publication Critical patent/CA493005A/en
Expired legal-status Critical Current

Links

CA493005A Electric pulse signalling systems Expired CA493005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA493005T

Publications (1)

Publication Number Publication Date
CA493005A true CA493005A (en) 1953-05-19

Family

ID=35638389

Family Applications (1)

Application Number Title Priority Date Filing Date
CA493005A Expired CA493005A (en) Electric pulse signalling systems

Country Status (1)

Country Link
CA (1) CA493005A (en)

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