Patent · US Expired

Input device

US6946980B2 · kind B2 · utility

0Cited by

7References

14Claims

0Family size

Assignee

AGILENT TECHNOLOGIES, INC. · US

Inventors

Kok Fo · Bukit Mertajam, MY
Yee Loong Chin · Batu Gajah, MY
Hoo Chong Wong · Kuala Kangsar, MY

Key dates

Filing date	May 19, 2003
Grant date	Sep 20, 2005
Priority date	—
Expiry date	Oct 29, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG05G2009/04759
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

An input device comprising a fixed light source, a plurality of light detectors surrounding the light source, and a member comprising reflective surface portions slidably mounted above the light source. When the member is slid from a neutral position to one of a plurality of activating position, light from the light source is reflected by one of the reflective surface portions directly from the light source to an associated light detector.

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