It has a 6.13 inch, 824 x 1648 pixel black and white E Ink display with 300 pixels per inch, making the device a sort of pocket-sized eReader sort of like the Onyx BOOX Palma series. But unlike ...

Abstract: This letter introduces a novel linear actuator with a high extension ratio, achieved through a unique planar transforming linkage mechanism (TLM) that serves as an articulated lead screw.