This disclosure describes techniques for adjusting encoding variables of an encoding device. The rolling bearing is lubricated with a grease enclosed in a space, inside the bearing, which is constructed of the inner ring, the outer ring, the retainer, and the seal. The air bag module has an air bag inflator with an outlet for inflating the air bag. Image moving means moves at least one of the first image and the second image according to a direction instructing operation of a player. A plurality of nozzle holes are formed in the nozzle plate and flow feature layer. The circuit includes a first and second sampler, a first and second charge-pump coupled to the first and the second sampler, a capacitor coupled to the first charge pump, and a filter coupled to the second charge pump.