Keyboard interface for use in computers incorporating terminate-and-stay-resident programs
US5056057A · kind A · utility
27Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1989 |
| Grant date | Oct 8, 1991 |
| Priority date | — |
| Expiry date | May 3, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/023
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An improved keyboard interface is provided for use with personal computers. A received scancode from the keyboard is made available at a port which may be repeatedly inspected by the CPU. The scancode data remains available until explicitly cleared by the CPU, or until a preestablished time-out interval has expired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.