Data processing system with a touch screen and a digitizing tablet, both integrated in an input device
US5231381A · kind A · utility
441Cited by
10References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 1990 |
| Grant date | Jul 27, 1993 |
| Priority date | — |
| Expiry date | Oct 1, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04106
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A data processing system includes a multipurpose data input device formed by a touch screen and a digitizing tablet integrated with one another which are activatable independently of each other by proper stimuli. The input device is integrated with a flat panel display in order to establish a visual feedback to the user or to present information pertaining to the entered data after processing. The flat panel display, touch screen and digitizing tablet take a variety of forms and a variety of techniques are utilized to determine which of the touch screen and digitizing tablet is activated at any time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.