Braille cell assembly having holder tray
US5685720A · kind A · utility
15Cited by
4References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 1995 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Jun 28, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B21/003
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A braille cell assembly is described which provides precision cell positioning. Such assembly includes a holder in the form of a tray which engages the individual braille cells, which holder is selected to be capable of itself rigidly maintaining the individual cells in predetermined positions adjacent to one another. The position of each cell in the assembly is thus independent of other cells of the assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.