Input device
US7019765B2 · kind B2 · utility
10Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2002 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Aug 13, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/905
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An input device, which is small-sized and inexpensive in spite of being simple in construction and thin, comprises at least one primary electrode and a plurality of secondary electrodes, both electrodes being formed in the same plane. A position of a dielectric is identified on the basis of differences in electrostatic capacity between the primary electrode and the secondary electrodes, which electrostatic capacity is changed by the dielectric positioned on a surface side of the both electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.