Reading pen
US6509893B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2000 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Aug 21, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/02479
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A reading pen for reading text has an elongate casing with a reading opening (3) formed in one end thereof, a printed circuit board (5) which is arranged inside the casing, light-emitting diodes (7a, 7b)) arranged inside the reading opening and adapted to illuminate the text that is to be read, and a light-sensitive sensor (9) arranged inside the reading opening and adapted to read the illuminated text. The printed circuit board (5) has an end portion at said one end of the casing. The end portion essentially corresponds to the form of the casing. The light-emitting diodes (7a, 7b) and the light-sensitive sensor (9) are arranged on said end portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.