CA512080A - Selective signaling systems - Google Patents

Selective signaling systems

Info

Publication number
CA512080A
CA512080A CA512080A CA512080DA CA512080A CA 512080 A CA512080 A CA 512080A CA 512080 A CA512080 A CA 512080A CA 512080D A CA512080D A CA 512080DA CA 512080 A CA512080 A CA 512080A
Authority
CA
Canada
Prior art keywords
signaling systems
selective signaling
selective
systems
signaling
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
CA512080A
Other languages
French (fr)
Inventor
C. Pye Harold
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA512080A publication Critical patent/CA512080A/en
Expired legal-status Critical Current

Links

CA512080A Selective signaling systems Expired CA512080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512080T

Publications (1)

Publication Number Publication Date
CA512080A true CA512080A (en) 1955-04-19

Family

ID=35663152

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512080A Expired CA512080A (en) Selective signaling systems

Country Status (1)

Country Link
CA (1) CA512080A (en)

Similar Documents

Publication Publication Date Title
CA512080A (en) Selective signaling systems
CA510761A (en) Selective signalling system
CA512075A (en) Selective calling systems
AU211308B2 (en) Signalling system
CA514608A (en) All-relay selective calling system
CA503237A (en) Selective signaling system
CA512876A (en) Electrical signalling systems
CA515177A (en) Electrical signalling systems
AU958655A (en) Signalling system
CA516541A (en) Selective signalling circuit
AU210218B2 (en) Signalling on telephone systems
CA518109A (en) Signaling system based on orthogonal functions
CA512335A (en) Electric signalling systems
CA518275A (en) Electric signalling systems
CA519018A (en) Annunciator system
CA516108A (en) Direction signaling device
CA516111A (en) Direction signaling device
CA488416A (en) Selective calling systems
CA488574A (en) Selective calling systems
CA488575A (en) Selective calling systems
CA499772A (en) Signaling systems
AU1313455A (en) Signalling on telephone systems
CA517448A (en) Subscriber signalling system
CA517449A (en) Subscriber signalling system
CA513767A (en) Voice paging systems