A display support arm includes a first swing arm having a first end portion positioned vertically on top of a housing and further having a second end portion, the first swing arm causing the second end portion to rotate in a horizontal plane with the first end portion as a rotational center, a second...http://www.google.fr/patents/US7775485?utm_source=gb-gplus-shareBrevet US7775485 - Display support arm and ultrasonic imaging apparatus
Display support arm and ultrasonic imaging apparatus