CA487821A - Systemes de signalisation a modulation de pulsations - Google Patents

Systemes de signalisation a modulation de pulsations

Info

Publication number
CA487821A
CA487821A CA487821A CA487821DA CA487821A CA 487821 A CA487821 A CA 487821A CA 487821 A CA487821 A CA 487821A CA 487821D A CA487821D A CA 487821DA CA 487821 A CA487821 A CA 487821A
Authority
CA
Canada
Prior art keywords
pulse modulation
signalling systems
modulation signalling
systems
pulse
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
CA487821A
Other languages
English (en)
Inventor
Illingworth Lawson Dennis
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
Publication date
Application granted granted Critical
Publication of CA487821A publication Critical patent/CA487821A/fr
Expired legal-status Critical Current

Links

CA487821A Systemes de signalisation a modulation de pulsations Expired CA487821A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA487821T

Publications (1)

Publication Number Publication Date
CA487821A true CA487821A (fr) 1952-11-04

Family

ID=35627539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA487821A Expired CA487821A (fr) Systemes de signalisation a modulation de pulsations

Country Status (1)

Country Link
CA (1) CA487821A (fr)

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