A seat back frame and associated vehicle seat are provided for effectively reducing an input load applied onto a reclining mechanism at the time of rear surface collision, the frame and seat having an energy absorbing member fixed to a coupling portion of a lower frame for coupling left and right side frames on the lower side. An electrode is electrically coupled to the lead body and comprises a stimulation portion, a bobbin, and at least one coil of wire wound on the bobbin and electrically coupled between the stimulation portion and the distal end region to form an inductor between the distal end region and the stimulation portion. The mixture of cellulose particles may be selected from wood particles, wood chips, sawdust, or a combination thereof. A cooperative base station applicable to the foregoing method is also disclosed. The amplifying module is coupled to the modulating module for amplifying the modulated signals.