Methods and apparatus related to detecting identifiers in a wireless communications system are described. Each specialized media is displayed in a list of available media provided by the web-based imaging service. The disclosed drive combination requires less power to drive than known torque converter drive and planetary gear transmission drive combinations used for automobile racing and is lighter than such known drive combinations. The method applies the theory of oxidizing metal layers by repeatedly exposing and oxidizing to form a color filter having multiple integrally formed colors. The control circuit generates the control signal and receives a protection signal generated according to the protection pulse signal. For typical applications, our method is significantly more efficient than standard approaches.