AU838952A - A telephone system witha relay-less line circuit and circuits in cooperation therein for extending a call - Google Patents

A telephone system witha relay-less line circuit and circuits in cooperation therein for extending a call

Info

Publication number
AU838952A
AU838952A AU8389/52A AU838952A AU838952A AU 838952 A AU838952 A AU 838952A AU 8389/52 A AU8389/52 A AU 8389/52A AU 838952 A AU838952 A AU 838952A AU 838952 A AU838952 A AU 838952A
Authority
AU
Australia
Prior art keywords
relay
call
cooperation
circuits
extending
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
AU8389/52A
Other versions
AU162789B2 (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 AU162789B2 publication Critical patent/AU162789B2/en
Publication of AU838952A publication Critical patent/AU838952A/en
Expired legal-status Critical Current

Links

AU8389/52A 1952-02-29 A telephone system witha relay-less line circuit and circuits in cooperation therein for extending a call Expired AU162789B2 (en)

Publications (2)

Publication Number Publication Date
AU162789B2 AU162789B2 (en) 1952-05-01
AU838952A true AU838952A (en) 1952-05-01

Family

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