An electromechanical translation apparatus adapted to produce incremental movement relative to a separate member and having a housing, a pair of clamping and translating members each of which has a driven end and an engaging end wherein each of the engaging ends is adapted to removably clamp and translate...http://www.google.fr/patents/US4622483?utm_source=gb-gplus-shareBrevet US4622483 - Piezoelectric electromechanical translation apparatus and method
Piezoelectric electromechanical translation apparatus and method
