Patent · US Active

Touch screen, touch system and method for positioning a touch object in touch system

US8928608B2 · kind B2 · utility

1Cited by

4References

21Claims

0Family size

Assignee

BEIJING IRTOUCH SYSTEMS CO., LTD · CN

Inventors

Xinlin Ye · Beijing, CN
Jianjun Liu · Aurora, US
Xinbin Liu · Beijing, CN
Zhenyu Wu · Plainsboro, US
Haibing Zhang · Tucson, US
Yuhui Wang · Lo Wu, CN
Haidong Hao · Beijing, CN
Haibo TANG · Longbeilingcun, CN

Key dates

Filing date	Sep 29, 2010
Grant date	Jan 6, 2015
Priority date	—
Expiry date	Jun 11, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06F2203/04106
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A touch screen, a touch system and a method for positioning a touch object in a touch system are disclosed. The touch screen comprises an infrared pair tube array, wherein said infrared pair tube array is disposed on an edge of said touch screen. By introducing the infrared pair tube array, the touch screen of the present invention eliminates invalid touch areas in the existing touch screen and avoids false touch points in multipoint positioning.

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