Invention Grant
US09307300B2 Locating a projectile 有权
定位射弹

Locating a projectile
Abstract:
A method and device for transmitting a tracking signal for locating a projectile. A launch condition for a projectile is sensed by a tracking device. The tracking device enters a first transmission mode in which a first signal is transmitted in response to sensing the launch condition. The tracking device transitions to a second transmission mode in which a second signal is transmitted after transmitting the first signal for a defined period of time.
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