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.)
De Havilland Aircraft Co Ltd
Original Assignee
De Havilland Aircraft Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA496120ApublicationCriticalpatent/CA496120A/en
Improvements in or relating to apparatus for determining whether the speed of movement ofa conducting or magnetic object differs froma predetermined speed
Improvements in or relating to apparatus for determining whether the speed of movement ofa conducting or magnetic object differs froma predetermined speed