Patent · US Expired

Optical navigation system having a ring pixel array

US7282694B2 · kind B2 · utility

1Cited by

4References

17Claims

0Family size

Assignee

Avago Technologies ECBU IP (Singapore) Pte. Ltd. · SG

Inventors

Chin Lee · Bukit Mertajam, MY
Sai Mun Lee · Kampung Bukit Kechil, MY
Tony Sen Liew · Kuala Kangsar, MY
Shan Chong Tan · Kampung Bukit Kechil, MY
Bernard Lye Hock Chan · Bukit Mertajam, MY

Key dates

Filing date	Dec 15, 2004
Grant date	Oct 16, 2007
Priority date	—
Expiry date	Dec 15, 2024

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/0354
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

An optical navigation system having an optical navigation integrated circuit (“navigation IC”) is described. The optical navigation system may include an emitter module and a pixel array surrounding the emitter module. The optical navigation system may further include a ring optical system located on the surface of the navigation IC over the pixel array.

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