AU6133965A - Circuit arrangement to establish testing connections in telecommunication particularly telephone exchange systems which have switching grids controlled by markers
- Google Patents
Circuit arrangement to establish testing connections in telecommunication particularly telephone exchange systems which have switching grids controlled by markers
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
AU61339/65A
Inventor
SCHONEMEYER and NORBERT KELLERMANN HILMAR
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
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty LtdfiledCriticalStandard Telephone and Cables Pty Ltd
Publication of AU6133965ApublicationCriticalpatent/AU6133965A/en
AU61339/65A1965-07-12Circuit arrangement to establish testing connections in telecommunication particularly telephone exchange systems which have switching grids controlled by markers
ExpiredAU6133965A
(en)
Circuit arrangement to establish testing connections in telecommunication particularly telephone exchange systems which have switching grids controlled by markers
Method and circuit arrangement to supervise the through-connection in multi-stage switching grids of telecommunication particularly telephone exchange systems