on top, i.e. transducer positioned between the strings and the bridge structure itself

Full Title

Input/output interfacing specifically adapted for electrophonic musical tools or instruments > Transducers, i.e. details, positioning or use of assemblies to detect and convert mechanical vibrations or mechanical strains into an electrical signal, e.g. audio, trigger or control signal > Bridge-positioned, i.e. assembled to or attached with the bridge of a stringed musical instrument > on top, i.e. transducer positioned between the strings and the bridge structure itself