Electronic pen device
US7839394B2 · kind B2 · utility
12Cited by
10References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2007 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Jun 1, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/03545
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Various electronic pen devices are disclosed herein. In one embodiment, an electronic pen with an improved ultrasound transducer (i.e. transmitter or receiver) is provided. In one embodiment an electronic pen with an improved ‘pen up/pen down’ detector is provided In one embodiment, an electronic pen with an improved structure for transmitting infrared light is provided. In one embodiment, an improved electronic pen that may be operated in pen mode or mouse mode is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.