Remote scoring system for bombing or rocket range

Claim 1

A remote scoring system for a weapons range to determine the impact point of ordnance such as bombs, rockets and the like, within a target area, said scoring system including a first pair of pressure sensor units positioned diametrically opposite one another, and a second pair of pressure sensor units located diametrically opposite one another and angularly displaced from the first pair, both of said pairs being located on the perimeter of the target area to sense pressure waves created by the aforesaid ordnance upon impact and for producing corresponding electrical signals iNdicative of the time of arrival of such waves; and electrical processing and display circuitry including first and second logic control systems respectively connected to said first and second pairs of said sensor units, and first and second display units respectively connected to said first and second logical control systems, said electrical processing and display circuitry being responsive to said electrical signals for displaying data representative of X-axis and Y-axis coordinates of the location of the point of impact of such ordnance with respect to the target area, each of said first and second logic control systems including clock generating means, counter means coupled to said clock generating means for providing a count for the corresponding display unit, first gate means coupled to one of the sensor units of the corresponding pair for passing clock pulses from said clock generating means to said counter means in response to a signal from said one of said sensor units, and second gate means coupled to the other of the sensor units of said corresponding pair and associated delay means for passing clock pulses from said clock generating means to said counter means in response to a signal from the other sensor unit of the corresponding pair, the latter clock pulses terminating the count of said counter means after a predetermined time delay established by said delay means.