CA468713A - Selective signalling systems and apparatus - Google Patents

Selective signalling systems and apparatus

Info

Publication number
CA468713A
CA468713A CA468713A CA468713DA CA468713A CA 468713 A CA468713 A CA 468713A CA 468713 A CA468713 A CA 468713A CA 468713D A CA468713D A CA 468713DA CA 468713 A CA468713 A CA 468713A
Authority
CA
Canada
Prior art keywords
signalling systems
selective signalling
selective
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
CA468713A
Other languages
French (fr)
Inventor
G. Keyes George
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.)
AT&T Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA468713A publication Critical patent/CA468713A/en
Expired legal-status Critical Current

Links

CA468713A Selective signalling systems and apparatus Expired CA468713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA468713T

Publications (1)

Publication Number Publication Date
CA468713A true CA468713A (en) 1950-10-10

Family

ID=35602645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA468713A Expired CA468713A (en) Selective signalling systems and apparatus

Country Status (1)

Country Link
CA (1) CA468713A (en)

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