Intelligent key display
US4551717A · kind A · utility
82Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 1982 |
| Grant date | Nov 5, 1985 |
| Priority date | — |
| Expiry date | Nov 10, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/066
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A programmable key for use on a terminal has a microchip device incorporated therein to permit programming the function of the key, and one or more liquid crystal displays to indicate the programmed function of the key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.