Extended refreshable tactile graphic array for scanned tactile display
US7009595B2 · kind B2 · utility
60Cited by
22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2003 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Jan 3, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B21/004
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Apparatus and methods for extended refreshable tactile graphic display are disclosed, the apparatus including an array of pins at a display surface, with pin setting actuators and display surface matrix preferably being separable units. The display matrix is provided by stacked functional layers, functions including temporary pin retention and pin locking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.