AU149735B2 - Voice frequency dialling repeaters - Google Patents

Voice frequency dialling repeaters

Info

Publication number
AU149735B2
AU149735B2 AU24755/48A AU2475548A AU149735B2 AU 149735 B2 AU149735 B2 AU 149735B2 AU 24755/48 A AU24755/48 A AU 24755/48A AU 2475548 A AU2475548 A AU 2475548A AU 149735 B2 AU149735 B2 AU 149735B2
Authority
AU
Australia
Prior art keywords
repeaters
voice frequency
frequency dialling
dialling
voice
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
AU24755/48A
Other versions
AU2475548A (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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Filing date
Publication date
Application filed by Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Application granted granted Critical
Publication of AU149735B2 publication Critical patent/AU149735B2/en
Publication of AU2475548A publication Critical patent/AU2475548A/en
Expired legal-status Critical Current

Links

AU24755/48A 1948-12-08 Voice frequency dialling repeaters Expired AU149735B2 (en)

Publications (2)

Publication Number Publication Date
AU149735B2 true AU149735B2 (en) 1949-01-13
AU2475548A AU2475548A (en) 1949-01-13

Family

ID=

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