AU161820B2 - Electrical signalling systems - Google Patents

Electrical signalling systems

Info

Publication number
AU161820B2
AU161820B2 AU11545/52A AU1154552A AU161820B2 AU 161820 B2 AU161820 B2 AU 161820B2 AU 11545/52 A AU11545/52 A AU 11545/52A AU 1154552 A AU1154552 A AU 1154552A AU 161820 B2 AU161820 B2 AU 161820B2
Authority
AU
Australia
Prior art keywords
signalling systems
electrical signalling
electrical
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
AU11545/52A
Other versions
AU1154552A (en
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 date
Application filed by British Telecommunications Research Ltd filed Critical British Telecommunications Research Ltd
Application granted granted Critical
Publication of AU161820B2 publication Critical patent/AU161820B2/en
Publication of AU1154552A publication Critical patent/AU1154552A/en
Expired legal-status Critical Current

Links

AU11545/52A 1952-07-25 Electrical signalling systems Expired AU161820B2 (en)

Publications (2)

Publication Number Publication Date
AU161820B2 true AU161820B2 (en) 1952-09-25
AU1154552A AU1154552A (en) 1952-09-25

Family

ID=

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