AU210218B2 - Signalling on telephone systems - Google Patents

Signalling on telephone systems

Info

Publication number
AU210218B2
AU210218B2 AU13134/55A AU1313455A AU210218B2 AU 210218 B2 AU210218 B2 AU 210218B2 AU 13134/55 A AU13134/55 A AU 13134/55A AU 1313455 A AU1313455 A AU 1313455A AU 210218 B2 AU210218 B2 AU 210218B2
Authority
AU
Australia
Prior art keywords
signalling
telephone systems
telephone
systems
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
AU13134/55A
Other versions
AU1313455A (en
Inventor
Lovell Robinson and George Hyman Perkins William
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 & Co Pty Ltd
Original Assignee
T S Skillman & Co Pty Ltd
Filing date
Publication date
Application filed by T S Skillman & Co Pty Ltd filed Critical T S Skillman & Co Pty Ltd
Application granted granted Critical
Publication of AU1313455A publication Critical patent/AU1313455A/en
Publication of AU210218B2 publication Critical patent/AU210218B2/en
Expired legal-status Critical Current

Links

AU13134/55A 1955-10-25 Signalling on telephone systems Expired AU210218B2 (en)

Publications (2)

Publication Number Publication Date
AU1313455A AU1313455A (en) 1956-05-03
AU210218B2 true AU210218B2 (en) 1956-05-03

Family

ID=

Similar Documents

Publication Publication Date Title
AU210218B2 (en) Signalling on telephone systems
AU1313455A (en) Signalling on telephone systems
CA512309A (en) Telephone systems
CA512312A (en) Telephone systems
CA512083A (en) Telephone systems
CA511747A (en) Telephone systems
CA510665A (en) Telephone systems
CA510190A (en) Telephone systems
CA512310A (en) Telephone systems
CA519014A (en) Telephone systems
CA512311A (en) Telephone systems
CA517448A (en) Subscriber signalling system
CA517449A (en) Subscriber signalling system
IE22205L (en) Telephone signalling systems.
CA512519A (en) Party-line telephone systems
CA512876A (en) Electrical signalling systems
CA515177A (en) Electrical signalling systems
AU211308B2 (en) Signalling system
CA512075A (en) Selective calling systems
CA512080A (en) Selective signaling systems
CA505804A (en) Telephone signalling system
CA512163A (en) Communication systems
CA508827A (en) Communication systems
CA505876A (en) Telephone signaling system
CA504718A (en) Subscriber signalling systems