AU244666B2 - Improvements relating to telephone system substation circuits and to tone current generating oscillators suitable for use in such circuits - Google Patents

Improvements relating to telephone system substation circuits and to tone current generating oscillators suitable for use in such circuits

Info

Publication number
AU244666B2
AU244666B2 AU60841/60A AU6084160A AU244666B2 AU 244666 B2 AU244666 B2 AU 244666B2 AU 60841/60 A AU60841/60 A AU 60841/60A AU 6084160 A AU6084160 A AU 6084160A AU 244666 B2 AU244666 B2 AU 244666B2
Authority
AU
Australia
Prior art keywords
circuits
telephone system
current generating
improvements relating
system substation
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
AU60841/60A
Other versions
AU6084160A (en
Inventor
William Stanley Kinsey Ronald (deceased) and Peter John Lane
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
Filing date
Publication date
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Application granted granted Critical
Publication of AU6084160A publication Critical patent/AU6084160A/en
Publication of AU244666B2 publication Critical patent/AU244666B2/en
Expired legal-status Critical Current

Links

AU60841/60A 1960-05-25 Improvements relating to telephone system substation circuits and to tone current generating oscillators suitable for use in such circuits Expired AU244666B2 (en)

Publications (2)

Publication Number Publication Date
AU6084160A AU6084160A (en) 1960-12-01
AU244666B2 true AU244666B2 (en) 1960-12-01

Family

ID=

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