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
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.)
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 LtdfiledCriticalAssociated Electrical Industries Ltd
Application grantedgrantedCritical
Publication of AU6084160ApublicationCriticalpatent/AU6084160A/en
Publication of AU244666B2publicationCriticalpatent/AU244666B2/en
AU60841/60A1960-05-25Improvements relating to telephone system substation circuits and to tone current generating oscillators suitable for use in such circuits
ExpiredAU244666B2
(en)