A device is provided for alerting a driver of an automotive vehicle as to the onset of fatigue, characterized by eyelid droop, head droop and a like condition wherein the eyes of the driver are not directed straight ahead onto the road. The adjustable transmittance component has an adjustable transmittance state representative of a bit value of the bit cell. At least one surface side of the polyvinyl alcohol-based resin film includes a low-iodine layer. Alternatively, the mixtures may be densified in a densifying apparatus before entering the consolidation apparatus. The switch examines the message and consults a database with the customer identification to determine forwarding information. A movable displacement spiral is rotatably connected to the eccentric bearing and engages into a counterpart spiral such that, between the displacement spiral and the counterpart spiral, radially inwardly traveling chambers are formed in order to compress the refrigerant and discharge it into a pressure chamber.