An air-conditioning system embodiment for temperature control in a vehicle comprises heater cores, controllably connected to a coolant contour, outletting the conditioned air towards a person sitting in a chair, or into a food compartment. At least one information signal is created, consisting of at least one reference component and at least one information component, wherein at least one of these components has a temporally continuous frequency change during the transfer and, in addition, the reference component and the information component form discrete states for the provision of bit patterns. The rubber composition can reduce rolling resistance with decreasing the amount of petroleum oils to be used. , a heat-treated or pH-adjusted glutaraldehyde solution. The invention also relates to the process of the synthesis of compounds of formula as well as the pharmaceutical composition containing the same and the use for treatment of pain, inflammation and disorders associated with inflammation. A filter is coupled to receive the switched current representative of the input current of the PFC converter.