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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Filing date
Publication date
Application filed by Marconis Wireless Telegraph Co LtdfiledCriticalMarconis Wireless Telegraph Co Ltd
Application grantedgrantedCritical
Publication of AU104040B2publicationCriticalpatent/AU104040B2/en
Publication of AU167637ApublicationCriticalpatent/AU167637A/en
AU1676/37A1937-04-29Improvements in or relating to electron discharge devices containing atleast one electrode capable of secondary emission
ExpiredAU104040B2
(en)