AU1237314B - Improvements in 'test circuits for telephone exchange systems - Google Patents

Improvements in 'test circuits for telephone exchange systems

Info

Publication number
AU1237314B
AU1237314B AU12373/14A AU1237314A AU1237314B AU 1237314 B AU1237314 B AU 1237314B AU 12373/14 A AU12373/14 A AU 12373/14A AU 1237314 A AU1237314 A AU 1237314A AU 1237314 B AU1237314 B AU 1237314B
Authority
AU
Australia
Prior art keywords
telephone exchange
test circuits
exchange systems
systems
circuits
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
AU12373/14A
Other versions
AU1237314A (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.)
Western Electric Co Ltd Great Britain
Original Assignee
Western Electric Co Ltd Great Britain
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Western Electric Co Ltd Great Britain filed Critical Western Electric Co Ltd Great Britain
Publication of AU1237314A publication Critical patent/AU1237314A/en
Publication of AU1237314B publication Critical patent/AU1237314B/en
Expired legal-status Critical Current

Links

AU12373/14A 1913-03-06 1914-03-06 Improvements in 'test circuits for telephone exchange systems Expired AU1237314B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191305654T 1913-03-06

Publications (2)

Publication Number Publication Date
AU1237314A AU1237314A (en) 1914-03-07
AU1237314B true AU1237314B (en) 1914-07-21

Family

ID=32578131

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12373/14A Expired AU1237314B (en) 1913-03-06 1914-03-06 Improvements in 'test circuits for telephone exchange systems

Country Status (2)

Country Link
AU (1) AU1237314B (en)
GB (1) GB191305654A (en)

Also Published As

Publication number Publication date
GB191305654A (en) 1914-03-05

Similar Documents

Publication Publication Date Title
AU1237314B (en) Improvements in 'test circuits for telephone exchange systems
AU1065913B (en) Improvements in selecting apparatus, for' telephone exchange systems
AU1172313B (en) Improvements in selecting devices for telephone or other circuits
AU1174714B (en) Improvements in switching apparatus for telephone exchange systems
AU1174814B (en) Improvements in switching apparatus for telephone exchange systems
AU634512B (en) Improvements in automatic telephone exchange systems
GB191303132A (en) Improvements in Circuit Arrangements for Telephone Exchanges.
AU1196314B (en) Improvements in selecting apparatus for telephone exchange systems
AU1237314A (en) Improvements in 'test cireuits for telephone exdiange systems
AU890013B (en) Telephone exchange systems
AU922013B (en) Telephone exchange system
AU1055213B (en) Telephone exchange system
AU1055513B (en) Telephone exchange system
AU1065913A (en) Improvements in selecting apparatus, for' telephone exchange systems
GB191307125A (en) Improved Test Circuit Arrangements for Telephone Systems.
AU959813B (en) Improved circuit arrangements for telephone systems
AU1053813B (en) Improvements in telephonic transmission circuits
AU1391514B (en) Improvements in telephone exchange apparatus
AU1079213B (en) Improvements in automatic telephone systems
AU732412B (en) Improvements in telephone exchange systems
AU1174714A (en) Improvements in switching apparatus for telephone exchange systems
AU1174814A (en) Improvements in switching apparatus for telephone exchange systems
AU1079313B (en) Improvements in measured service telephone systems
AU1196314A (en) Improvements in selecting apparatus for telephone exchange systems
GB191115129A (en) Improvements in Registering Circuits for Automatic Telephone Exchanges