Patent · US Active

Multi-dimensional scroll wheel

US8416198B2 · kind B2 · utility

45Cited by

341References

16Claims

0Family size

Assignee

Apple Inc. · US

Inventors

Lakshman Rathnam · Mountain View, US
Louis W. Bokma · San Jose, US
Fletcher R. Rothkopf · Los Altos, US
Andrea Mucignat · San Francisco, US
Erturk Kocalar · Sunnyvale, US
Benjamin B. Lyon · Saratoga, US
Joseph Fisher · San Jose, US

Key dates

Filing date	Sep 5, 2008
Grant date	Apr 9, 2013
Priority date	—
Expiry date	Jun 4, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG06F2203/04808
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A multi-dimensional scroll wheel is disclosed. Scroll wheel circuitry is provided to detect input gestures that traverse the center of the scroll wheel and to detect multi-touch input. The scroll wheel can include a first plurality of sensor elements arranged in a first closed loop and a second plurality of sensor elements arranged in a second closed loop, the first and second closed loops being concentrically arranged about the center of the scroll wheel.

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