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.)
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.)
STC PLC
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
Standard Telephone and Cables PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marconi Co Ltd, Standard Telephone and Cables PLCfiledCriticalMarconi Co Ltd
Application grantedgrantedCritical
Publication of CA927506ApublicationCriticalpatent/CA927506A/en