A method allows determination of the presence of, the frequency of, and or the timing of a coded signal distributed in time, as for example a direct-sequence spread-spectrum signal or a signal having a coded header. Each of the first mass portions 1, 11 is driven by the application of an alternating voltage, causing the second mass portion 2 to rotate. The contact via is connected to each of the interconnects. The water-resistant shield extends over at least a portion of the cargo space facing major surface of all of the door panels. Each of the data marks includes edges. The fluid handling structure includes a transponder to dissolve at least some of the gas in a bubble in the immersion liquid or to control a bubble in the immersion liquid so that it avoids entering an optical path of a beam from the projection system.