AU130808B2 - A signalling system suitable for detecting and ranging obstacles - Google Patents

A signalling system suitable for detecting and ranging obstacles

Info

Publication number
AU130808B2
AU130808B2 AU25561/45A AU2556145A AU130808B2 AU 130808 B2 AU130808 B2 AU 130808B2 AU 25561/45 A AU25561/45 A AU 25561/45A AU 2556145 A AU2556145 A AU 2556145A AU 130808 B2 AU130808 B2 AU 130808B2
Authority
AU
Australia
Prior art keywords
obstacles
ranging
detecting
system suitable
signalling system
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
AU25561/45A
Other versions
AU2556145A (en
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of AU130808B2 publication Critical patent/AU130808B2/en
Publication of AU2556145A publication Critical patent/AU2556145A/en
Expired legal-status Critical Current

Links

AU25561/45A 1945-12-15 A signalling system suitable for detecting and ranging obstacles Expired AU130808B2 (en)

Publications (2)

Publication Number Publication Date
AU130808B2 true AU130808B2 (en) 1949-01-27
AU2556145A AU2556145A (en) 1949-01-27

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