Patent ID: 6411329
Filing Date: 2002-06-25
Classification: G04F,G07C

Abstract:
A system to be installed in the extension of a line of passage of at least one object, such as a finish line of a race, said system including:an optical device for projecting an image of this line onto a photosensitive sensor capable of providing electric signals representative of the image projected by the optical device and picked up by said sensor, called the image signal, means for processing said image signal, display means, connected to said processing means, for displaying on a screen an image representative of said image signal, called the video image, wherein: said sensor is formed of a pixel matrix containing pixel columns, said system is provided with means for generating a signal forming a reticule which is displayed on said screen and which is superposed onto the video image, and said system further includes means for extracting, from said image signal which is received at input, electric signals originating from a pixel column which corresponds to the position of the reticule on the screen and for providing a column signal in output.