AU160616B2 - Improvements in steady-state signalling systems using alternating currents - Google Patents

Improvements in steady-state signalling systems using alternating currents

Info

Publication number
AU160616B2
AU160616B2 AU22875/53A AU2287553A AU160616B2 AU 160616 B2 AU160616 B2 AU 160616B2 AU 22875/53 A AU22875/53 A AU 22875/53A AU 2287553 A AU2287553 A AU 2287553A AU 160616 B2 AU160616 B2 AU 160616B2
Authority
AU
Australia
Prior art keywords
steady
alternating currents
signalling systems
state signalling
state
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
AU22875/53A
Other versions
AU2287553A (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.)
T S SKILLMAN AND Co Pty Ltd
Original Assignee
T S SKILLMAN AND Co Pty Ltd
Filing date
Publication date
Application filed by T S SKILLMAN AND Co Pty Ltd filed Critical T S SKILLMAN AND Co Pty Ltd
Application granted granted Critical
Publication of AU2287553A publication Critical patent/AU2287553A/en
Publication of AU160616B2 publication Critical patent/AU160616B2/en
Expired legal-status Critical Current

Links

AU22875/53A 1953-11-11 Improvements in steady-state signalling systems using alternating currents Expired AU160616B2 (en)

Publications (2)

Publication Number Publication Date
AU2287553A AU2287553A (en) 1954-10-14
AU160616B2 true AU160616B2 (en) 1954-10-14

Family

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