Electronic writing instrument, computer system, electronic writing method and computer readable medium
US8169423B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2008 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Feb 22, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/19
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The electronic writing instrument is provided with: a writing unit that writes down on a medium where a code indicating identity information and location information of the medium is formed; an emitting unit that emits light to the medium; a photoelectric conversion unit that includes photoelectric conversion element receiving a reflected light from the medium by the light emitted by the emitting unit and outputting an electronic signal after converting the reflected light by photoelectric conversion; a receiving unit that receives a user operation; and a condition changing unit that changes at least any one of an emitting condition of the emitting unit to the medium and an output condition of the photoelectric conversion unit when the receiving unit receives an operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.