AU2578830B - Circuit arrangements for automatic or semiautomatic telephone exchange systems - Google Patents

Circuit arrangements for automatic or semiautomatic telephone exchange systems

Info

Publication number
AU2578830B
AU2578830B AU25788/30A AU2578830A AU2578830B AU 2578830 B AU2578830 B AU 2578830B AU 25788/30 A AU25788/30 A AU 25788/30A AU 2578830 A AU2578830 A AU 2578830A AU 2578830 B AU2578830 B AU 2578830B
Authority
AU
Australia
Prior art keywords
automatic
telephone exchange
circuit arrangements
exchange systems
semiautomatic telephone
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
AU25788/30A
Other versions
AU2578830A (en
Inventor
William Hatton
De Charles Vriendt
Ernest Jean Rousseau
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
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 Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Priority to AU25788/30A priority Critical patent/AU2578830A/en
Priority claimed from AU25788/30A external-priority patent/AU2578830A/en
Publication of AU2578830B publication Critical patent/AU2578830B/en
Publication of AU2578830A publication Critical patent/AU2578830A/en
Expired legal-status Critical Current

Links

AU25788/30A 1931-03-21 Circuit arrangements for automatic or semiautomatic telephone exchange systems Expired AU2578830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25788/30A AU2578830A (en) 1931-03-21 Circuit arrangements for automatic or semiautomatic telephone exchange systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU25788/30A AU2578830A (en) 1931-03-21 Circuit arrangements for automatic or semiautomatic telephone exchange systems

Publications (2)

Publication Number Publication Date
AU2578830B true AU2578830B (en) 1931-03-26
AU2578830A AU2578830A (en) 1931-03-26

Family

ID=

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