Method and device for tactile presentation
US9064426B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Mar 25, 2009 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Aug 30, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B21/003
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method for a tactile presentation of perceivable content. The method comprises receiving a data representing perceivable content, selecting a plurality of electric currents according to the data, each the electric current is associated with at least one of a plurality of regions of a solution having a plurality of macromolecules, and changing a level of acidity (pH) of at least one of the plurality of regions by applying a respective the electric current thereto. A proton concentration in the plurality of regions tactilely presents the perceivable content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.