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AU208529B2 - Improvements in or relating to telephone or like systems - Google Patents

Improvements in or relating to telephone or like systems

Info

Publication number
AU208529B2
AU208529B2 AU7691/55A AU769155A AU208529B2 AU 208529 B2 AU208529 B2 AU 208529B2 AU 7691/55 A AU7691/55 A AU 7691/55A AU 769155 A AU769155 A AU 769155A AU 208529 B2 AU208529 B2 AU 208529B2
Authority
AU
Australia
Prior art keywords
telephone
relating
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
AU7691/55A
Other versions
AU769155A (en
Inventor
Thomas Baker George
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.)
British Telecommunications Research Ltd
Original Assignee
British Telecommunications Research Ltd
Filing date
Publication date
Application filed by British Telecommunications Research Ltd filed Critical British Telecommunications Research Ltd
Application granted granted Critical
Publication of AU769155A publication Critical patent/AU769155A/en
Publication of AU208529B2 publication Critical patent/AU208529B2/en
Expired legal-status Critical Current

Links

AU7691/55A 1955-03-18 Improvements in or relating to telephone or like systems Expired AU208529B2 (en)

Publications (2)

Publication Number Publication Date
AU769155A AU769155A (en) 1955-09-22
AU208529B2 true AU208529B2 (en) 1955-09-22

Family

ID=

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