CA807850A - Digital telephone systems - Google Patents

Digital telephone systems

Info

Publication number
CA807850A
CA807850A CA807850A CA807850DA CA807850A CA 807850 A CA807850 A CA 807850A CA 807850 A CA807850 A CA 807850A CA 807850D A CA807850D A CA 807850DA CA 807850 A CA807850 A CA 807850A
Authority
CA
Canada
Prior art keywords
telephone systems
digital telephone
digital
systems
telephone
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
CA807850A
Inventor
Heaton Peter
Goodall Laurence
West Norman
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
Publication date
Application granted granted Critical
Publication of CA807850A publication Critical patent/CA807850A/en
Expired legal-status Critical Current

Links

CA807850A Digital telephone systems Expired CA807850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA807850T

Publications (1)

Publication Number Publication Date
CA807850A true CA807850A (en) 1969-03-04

Family

ID=36278355

Family Applications (1)

Application Number Title Priority Date Filing Date
CA807850A Expired CA807850A (en) Digital telephone systems

Country Status (1)

Country Link
CA (1) CA807850A (en)

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