F16H 61/66259

Control functions within {control units of} change-speed- or reversing-gearings for conveying rotary motion {; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing} specially adapted for continuously variable gearings with endless flexible members {controlling of shifting being influenced by a signal derived from the engine and the main coupling using electrical or electronical sensing or control means}