The present invention relates to novel compounds, in particular novel pyridinone derivatives according to Formula wherein all radicals are as defined in the application and claims. The inflator includes a longitudinal enclosure and a first gas generant positioned along the enclosure. Both types of subsystems are shareable by the communications ports so as to reduce a total hardware requirement of a communications system. High grip portions G are provided on both side ends of the fixing belt or the pressure application roller. The first side transconductor circuit is connected to the second side transconductor circuit to provide the first output current signal comprising a difference of the second current signal and the third current signal and to provide the second output current signal comprising a difference of the first current signal and the fourth current signal. When particles are learned the K Engine returns the n-level address or pointer which the Learn Engine uses to associate with the relevant Reference.