Patent ID: 11930970
Assignee: GOJO INDUSTRIES, INC.
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 10:
11. A soap or sanitizer dispenser comprising:
a housing;
a container for holding fluid;
a pump in fluid communication with the interior of the container;
a dispenser processor;
a power source;
a stepper motor;
wherein each full rotation of the stepper motor is divided into a number of equal steps;
wherein the processor determines a number of rotations of the stepper motor as a function of the equal steps;
wherein the processor determines a speed of the stepper motor as a function of the equal steps;
pulse width modulation circuitry in circuit communication with the power source and the stepper motor; and
wherein the pulse width modulation circuitry adjusts the duty cycle to maintain a selected motor speed; and
wherein the processor causes the motor to stop after a set number of rotations of the stepper motor.