AU107870B2 - Secrecy signalling system - Google Patents

Secrecy signalling system

Info

Publication number
AU107870B2
AU107870B2 AU2853/38A AU285338A AU107870B2 AU 107870 B2 AU107870 B2 AU 107870B2 AU 2853/38 A AU2853/38 A AU 2853/38A AU 285338 A AU285338 A AU 285338A AU 107870 B2 AU107870 B2 AU 107870B2
Authority
AU
Australia
Prior art keywords
secrecy
signalling system
signalling
secrecy 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
AU2853/38A
Other versions
AU285338A (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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU285338A publication Critical patent/AU285338A/en
Publication of AU107870B2 publication Critical patent/AU107870B2/en
Expired legal-status Critical Current

Links

AU2853/38A 1938-07-05 Secrecy signalling system Expired AU107870B2 (en)

Publications (2)

Publication Number Publication Date
AU285338A AU285338A (en) 1939-07-13
AU107870B2 true AU107870B2 (en) 1939-07-13

Family

ID=

Similar Documents

Publication Publication Date Title
AU107870B2 (en) Secrecy signalling system
AU285338A (en) Secrecy signalling system
CA371180A (en) Signalling system
CA373918A (en) Signalling system
CA374272A (en) Signalling system
CA371179A (en) Signalling system
CA371517A (en) Signalling system
CA371648A (en) Signalling system
CA372071A (en) Signalling system
CA378259A (en) Signalling system
CA376404A (en) Signalling system
CA376831A (en) Signalling system
CA372282A (en) Wave signalling system
CA374509A (en) Wave signalling system
CA376082A (en) Wave signalling system
CA376695A (en) Electrical signalling system
CA373049A (en) Electrical signalling system
CA371020A (en) Telegraph system
CA371019A (en) Telegraph system
CA371497A (en) Telegraph system
CA384895A (en) Signalling system
CA379450A (en) Signalling system
CA382192A (en) Signalling system
CA372126A (en) High frequency signalling system
CA375047A (en) High frequency signalling system