| 摘要 |
An arming arrangement with rotatable airfoils or blades of a propeller constituting the deliverants for an arming criterium. The blades of the driving propeller for a drone, have the rotational movement thereof determined from the tail end of the drone towards one side of the propeller hub through a beam or radiation coupling and is then conducted to a counting evaluating circuit for the derivation of a release signal for the arming device.
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