AU239536B2 - Improvements in or relating to electrical signalling systems - Google Patents

Improvements in or relating to electrical signalling systems

Info

Publication number
AU239536B2
AU239536B2 AU51917/59A AU5191759A AU239536B2 AU 239536 B2 AU239536 B2 AU 239536B2 AU 51917/59 A AU51917/59 A AU 51917/59A AU 5191759 A AU5191759 A AU 5191759A AU 239536 B2 AU239536 B2 AU 239536B2
Authority
AU
Australia
Prior art keywords
relating
signalling systems
electrical signalling
electrical
systems
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 - Lifetime
Application number
AU51917/59A
Inventor
Albert Barreto John
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.)
British Telecommunications Research Ltd
Original Assignee
British Telecommunications Research Ltd
Filing date
Publication of AU239536B2 publication Critical patent/AU239536B2/en
Application filed by British Telecommunications Research Ltd filed Critical British Telecommunications Research Ltd
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU51917/59A 1959-08-19 Improvements in or relating to electrical signalling systems Expired - Lifetime AU239536B2 (en)

Publications (1)

Publication Number Publication Date
AU239536B2 true AU239536B2 (en)

Family

ID=

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