Device for determining the velocity of a bullet
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United States of America Patent
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Oct 23, 2018
Grant Date -
Nov 5, 2015
app pub date -
Nov 29, 2012
filing date -
Nov 29, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A device determines velocity of a bullet. The device includes two electro-acoustic sensors arranged with a predetermined distance for determining velocity of a bullet. Each of the electro-acoustic sensors are configured to detect acoustic energy of a shock wave generated by the bullet travelling at supersonic speed from a point of fire to a target and configured to transduce the acoustic energy into an electrical signal. The device includes a processing unit configured to receive electrical signals from the electro-acoustic sensors as the bullet travels and to determine a time frame between the two second electrical signals. The velocity of the bullet can be determined based on the time frame. The device also includes a sighting unit attached to a housing of the device for aligning the electro-acoustic sensors parallel to the direction from the point of fire to the target.
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