1
Michelsen Paul F: Weapon aim evaluation system. RMC Research Corporation, Gurley Revere B, March 26, 1974: US3798795 (53 worldwide citation)

The system for evaluating the accuracy of aim of a missile firing weapon measures the line of aim of the weapon at the time of firing, measures the target flight path with an optical sensor and a radio ranging apparatus, and with a data processing unit calculates and compares a mean trajectory of a ...


2
Paul F Michelsen: Object locating system. RMC Research Corporation, Revere B Gurley, September 14, 1976: US03981010 (28 worldwide citation)

This system observes and registers the instantaneous position of a moving, distant object. A television camera receives an image on its sensitive surface, and direction of the object is registered continuously in a data processing unit. The range of the object is measured by transmitting two spaced, ...


3
Paul F Michelsen: System for registering position of element. RMC Research Corporation, Revere B Gurley, April 27, 1976: US03953132 (11 worldwide citation)

The movement of a weapon, such as a gun, about a horizontal axis and a vertical axis is measured to provide the direction of the line of aim at any instant. The elevation angle above a horizontal base is measured by a pulse counting mechanism in which the number of pulses counted is proportional to ...