Patent ID: 7995042

Claim:
A dimension detection system for a frame assembly of a touch screen, comprising: at least a pair of Y-axis module controller and Y-axis optical controller capable of producing a Y-axis relative positional signal; at least a pair of Y-axis optical feedback controller and Y-axis module feedback controller capable of producing a feedback signal when being requested; at least a pair of X-axis module controller and X-axis optical controller capable of producing an X-axis relative positional signal; at least a pair of X-axis optical feedback controller and X-axis module feedback controller capable of producing a feedback signal when being requested; a pair of an X/Y-axis feedback processing units taking inputs from a last X-axis optical feedback controller, a last Y-axis optical feedback controller, a last X-axis module feedback controller, and a last Y-axis module feedback controller; an X/Y-axis switching and optical driver connected to a first X-axis and Y-axis module controllers, a first X-axis and Y-axis module feedback controllers; a feedback signal driver connected to a first X-axis and Y-axis module feedback controllers; an input/output controller connected to said X/Y-axis optical feedback processing unit, said X/Y-axis module feedback processing unit, said X/Y-axis switching and optical driver, said feedback signal driver; a peripheral decoder connected to said input/output controller; and a microprocessor connected to said peripheral decoder and a computer via at least a connector, said microprocessor performing signal analysis and obtaining X-axis and Y-axis dimensions of said touch screen which is passed to said computer via said connector.