{HEAD ~ The transmission ratio} is controlled by feeding {TAIL ~ an actual transmission ratio} back to an input of a control circuit for the transmission ratio on a basis of a control mechanism with reference to a desired transmission ratio by adjustment of a holding force of the pivot bearing configuration or its adjustment path 
is controlled by feeding
{ HEAD ~ The transmission ratio } is controlled by feeding { TAIL ~ an actual transmission ratio } back to an input of a control circuit for the transmission ratio on a basis of a control mechanism with reference to a desired transmission ratio by adjustment of a holding force of the pivot bearing configuration or its adjustment path
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH