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AU121406B2 - Improvements in electrical signalling systems - Google Patents
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AU121406B2 - Improvements in electrical signalling systems - Google Patents

Improvements in electrical signalling systems

Info

Publication number
AU121406B2
AU121406B2 AU12372/43A AU1237243A AU121406B2 AU 121406 B2 AU121406 B2 AU 121406B2 AU 12372/43 A AU12372/43 A AU 12372/43A AU 1237243 A AU1237243 A AU 1237243A AU 121406 B2 AU121406 B2 AU 121406B2
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.)
Active
Application number
AU12372/43A
Inventor
Yorton Rushby & John Francis Mackenzie Philip
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication of AU121406B2 publication Critical patent/AU121406B2/en
Active legal-status Critical Current

Links

AU12372/43A Improvements in electrical signalling systems Active AU121406B2 (en)

Publications (1)

Publication Number Publication Date
AU121406B2 true AU121406B2 (en)

Family

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