Patent · US Active

Tactile effect waveguide surface for optical touch detection

US9921685B2 · kind B2 · utility

1Cited by

1References

25Claims

0Family size

Assignee

Rapt IP Limited · GI

Inventor

Owen Drumm · Dublin, IE

Key dates

Filing date	Dec 15, 2015
Grant date	Mar 20, 2018
Priority date	—
Expiry date	Dec 15, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG06F2203/04109
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An optical touch-sensitive device includes a planar optical waveguide structure having a top surface that includes tactile surface features. This produces a tactile effect experienced by the user using a finger or object (e.g., pen, stylus, or other instrument) on the surface.

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