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Abstract

A method has been invented for monitoring an object passing through a frame space of a light panel, the light panel having at least one light emitter on the first side, the at least one light emitter for continuously emitting a fan-shaped light beam, across the frame through which and beyond which an object may pass, and at least one light detector on the second side of the frame and associated electronic sensing apparatus connected to the at least one light detector for continuously detecting the fan-shaped light beam from the at least one light emitter, the method including detecting with the at least one light detector and associated electronic sensing apparatus interruption by an object of the fan-shaped light beam continuously emitted by the at least one light emitter; and generating with the electronic sensing apparatus a signal signalling the interruption of the fan-shaped beam by the object. A light panel system has been invented for monitoring and determining information concerning moving or stationary objects. In one aspect the light beam is modulated. In one aspect such a panel has on-board electronics for calculating: object (e.g., but not limited to, bullet) location, size, shape, orientation and/or velocity. Methods are described for using such systems and such light panels.

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First Claim