Patent · US Expired

Method and apparatus for displaying a handwritten message based on position and time data

US7120320B2 · kind B2 · utility

38Cited by

6References

21Claims

0Family size

Assignee

Anoto AB · SE

Inventors

Lars Petterson · Uppsala, SE
Magnus Hollstr{dot over (o)}m · Lund, SE
Thomas Craven-Bartle · Lund, SE

Key dates

Filing date	Sep 23, 2002
Grant date	Oct 10, 2006
Priority date	—
Expiry date	Sep 23, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG06V30/1423
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method and an arrangement for presentation of a graphical representation of a handwritten message on a graphical screen. Position data and time data are recorded, indicating positions and points of time for the handwritten message. An image area in the graphical representation of the handwritten message is identified based on said position data and said time data, the size of the image area being a subportion of the graphical representation of the handwritten message. Finally, display data is provided to a screen, which display data comprises a graphical representation of the subportion of the handwritten message in the identified image area.

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