Patent · US Expired

Audible and visual effects as a result of adaptive tablet scanning

US7116316B2 · kind B2 · utility

4Cited by
21References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 2002
Grant dateOct 3, 2006
Priority date
Expiry dateSep 29, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B17/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

One aspect of the invention involves a writing tablet comprising a housing having a writing surface and internal logic placed within the housing and situated below the writing surface. The internal logic includes imaging sensor, a light source and a controller. The imaging sensor is adapted to capture a location and orientation of each line segment forming a graphic image. The light source is adapted to produce a light beam adjusted for display on the writing surface. The controller is adapted to control performance of an event upon the light beam crossing a line segment of the graphic image.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.