Touch responsive display unit and method
US7002556B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2002 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Mar 26, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04805
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
As shown in FIG. 3A, a touch panel 2 is provided on a display screen 1, and a touch panel 3 using infrared rays is provided thereon. A shown in FIG. 3B, when a finger 6 touches the touch panel 3, its touching position is detected, and screen displaying is carried out on the display screen 1 according to the touching position. Then, the finger 6 is brought closer to the display screen 1. Accordingly, as shown in FIG. 3C, when the finger 6 touches the touch panel 2, its touching position is detected, and screen displaying is carried out on the display screen 1 according to the touching position. For example, in the case of an operation button 7, in FIG. 3B, displaying is carried out in a state different from that of FIG. 3A and, in FIG. 3C, displaying is carried out in another different state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.