Patent ID: 6881063
Filing Date: 2005-04-19
Classification: G09B

Abstract:
1. A Braille cell comprising: a substantially fluid-tight housing having a top end and a bottom end; an opening in the top end of the housing, the opening fluidly sealed with a flexible diaphragm, the flexible diaphragm having a topside and an underside; at least two support blocks positioned at the bottom end of the housing; a stabilizer block positioned at the bottom end of the housing and positioned between the at least two support blocks; an actuator rod having a top end and a bottom end, the top end of the actuator rod secured to the underside of the flexible diaphragm and the bottom end of the rod secured to the stabilizer block; and at least two electroactive polymer bending elements, each element having a top edge and a bottom edge, the bottom edge of each of the electroactive polymer bending elements secured to one of the at least two support blocks, the top edge of each of the electroactive polymer bending elements secured to the housing.