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
GB1621957A
Inventor
Francis James Fisher
Richard George Medhurst
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.)
General Electric Company PLC
Original Assignee
General Electric Company 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 General Electric Company PLCfiledCriticalGeneral Electric Company PLC
Priority to GB1621957ApriorityCriticalpatent/GB823458A/en
Publication of GB823458ApublicationCriticalpatent/GB823458A/en
H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
H01Q19/02—Details
H01Q19/021—Means for reducing undesirable effects
H01Q19/025—Means for reducing undesirable effects for optimizing the matching of the primary feed, e.g. vertex plates
GB1621957A1957-05-221957-05-22Improvements in or relating to aerial systems
ExpiredGB823458A
(en)