US12553916 - System for measuring skew and speed of an arrow
An archery tuning apparatus includes two light detection units, each comprising a line laser source emitting a planar fan of laser light and a curved array of spaced-apart light sensors. The units are configured with parallel laser fans, creating an overlap target region when viewed along a normal axis. The curved sensor arrays, with radii of curvature approximating their irradiation distances, optimize detection accuracy. Integrated circuitry and software collect and analyze data from arrows shot through the target region during tuning sessions. The apparatus connects to a mobile device, which stores and displays tuning session information through a dedicated app. This system provides archers with precise measurements of arrow speed and skew, offering advantages over traditional paper tuning methods. The mobile interface allows for easy data management, equipment tracking, and remote technical assistance, enhancing the overall archery tuning experience.