Patent ID: 7598944

Claim:
A system for measuring operational life of a computer mouse wheel, the system comprising: a vertical servo axle being structured and arranged for maintaining contacting with the computer mouse wheel; a stepper motor connected with the vertical servo axle and controlling the vertical servo axle to do up-and-down movements which in response driving the computer mouse wheel to roll in opposite directions; a computer configured for setting a total running distance for the computer mouse wheel according to a standard operational life specification of the computer mouse wheel, setting running tasks for the computer mouse wheel according to the total running distance, and sending an instruction for controlling operations of measuring operational life of the computer mouse wheel following the running tasks; a stepper motor servo controller electrically connected between the computer and the stepper motor for sending an impulse control signal to control operation of the stepper motor; and a control card configured in the computer for controlling the stepper motor servo controller to send the impulse control signal to the stepper motor to drive the vertical servo axle and the computer mouse wheel to run following the running tasks.