Device control apparatus for hand-held data processing device
US6201554A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1999 |
| Grant date | Mar 13, 2001 |
| Priority date | — |
| Expiry date | Jan 12, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/901
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portable display device is provided having a size suitable for hand-held use and including a display screen for displaying video images and audio circuitry for providing audio signals to a user thereof. A manual input device is mounted on the portable display device and is activatable by a user for placing the portable display device in any one of a plurality of modes of operation selected from the group consisting of paging, volume control, brightness control and zoom. A sensor, also mounted on the portable display device, is configured to sense changes in tilt of the portable display device relative to a reference tilt established upon placing the portable display device in one of the plurality of modes of operation. A control is connected to the sensor and is adapted to modify parameters associated with a mode of operation selected from the plurality of modes of operation in response to the sensor sensing tilt changes when the portable display device is in the selected mode of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.