A controllable pneumatic actuator and motion control apparatus including a field responsive medium and control method therefor. The apparatus has a pneumatic actuator coupled to a rotary-acting brake such that a motion (e.g., a displacement, velocity or acceleration) of an output member may be precisely...http://www.google.es/patents/US6234060?utm_source=gb-gplus-sharePatente US6234060 - Controllable pneumatic apparatus including a rotary-acting brake with field responsive medium and control method therefor
Controllable pneumatic apparatus including a rotary-acting brake with field ...
