AU1843756A - Improvements in electrical signalling systems - Google Patents

Improvements in electrical signalling systems

Info

Publication number
AU1843756A
AU1843756A AU18437/56A AU1843756A AU1843756A AU 1843756 A AU1843756 A AU 1843756A AU 18437/56 A AU18437/56 A AU 18437/56A AU 1843756 A AU1843756 A AU 1843756A AU 1843756 A AU1843756 A AU 1843756A
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
AU18437/56A
Other versions
AU215288B2 (en
Inventor
Treadgold and Barrie Brightman Ronald
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
Filing date
Publication date
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Application granted granted Critical
Publication of AU215288B2 publication Critical patent/AU215288B2/en
Publication of AU1843756A publication Critical patent/AU1843756A/en
Expired legal-status Critical Current

Links

AU18437/56A 1956-05-22 Improvements in electrical signalling systems Expired AU215288B2 (en)

Publications (2)

Publication Number Publication Date
AU215288B2 AU215288B2 (en) 1956-11-22
AU1843756A true AU1843756A (en) 1956-11-22

Family

ID=

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