TOUCH SCREEN DISPLAY - SONY ERICSSON MOBILE COMM AB

Title:

TOUCH SCREEN DISPLAY

Document Type and Number:

WIPO Patent Application WO/2009/147475

Kind Code:

A3

Abstract:

A device may include a display and at least one electromagnetic radiation source configured to emit electromagnetic radiation not visible to a user through an upper surface of the display. The device may also include a number of sensors configured to detect electromagnetic radiation that is reflected from the user's finger or a stylus contacting the upper surface of the display. The device may further include logic configured to receive an indication from at least one of the plurality of sensors that a contact was detected and process the contact.

Inventors:

LINGE ANDERS CARL SIGFRID (SE)
EK CARL MARTIN OLOF (SE)

Application Number:

PCT/IB2008/055034

Publication Date:

August 26, 2010

Filing Date:

December 01, 2008

Export Citation:

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Assignee:

SONY ERICSSON MOBILE COMM AB (SE)
LINGE ANDERS CARL SIGFRID (SE)
EK CARL MARTIN OLOF (SE)

International Classes:

G06F3/042; G06F3/041

Foreign References:

US20060244693A1	2006-11-02
US20080074401A1	2008-03-27
DE10244452A1	2004-04-01
US20080121442A1	2008-05-29
US20030156100A1	2003-08-21
DE4041144C1	1992-04-09