Patent ID: 6146278
Filing Date: 2000-11-14
Classification: A63F,F41G

Abstract:
A shooting video game machine wherein an object image is a target to be shot at, comprising:a monitor screen for displaying the object image;a light source arranged at a position having a predetermined positional relationship to the monitor screen;a mock gun for aiming at the object image on the monitor screen, the mock gun having an area sensor having an array of pixels for capturing an image including an image of the light source;a light source position detection unit for detecting an image position of the image of the light source within the array of pixels of the area sensor during a frame cycle;the light source position detection unit including:a light source image address detector for reading pixel data from the array of pixels and detecting address data of the pixel data corresponding to the image of the light source from a series of pixel data sequentially read from the array of pixels;a memory for temporarily storing the address data detected by the light source image address detector;writing means for writing to the memory only the address data detected of the pixel data corresponding to the image of the light source and not writing address data of pixel data not corresponding to the image of the light source; anda light source position calculator for calculating the image position of the image of the light source based on the address data stored in the memory; anda hit position detection unit for detecting a hit position of the mock gun on the monitor screen based on the image position of the light source in the array of pixels and the predetermined position relationship of the light source to the monitor screen.