Touch-sensitive device

Touch-sensitive device

The present invention relates to an optical touch-sensitive device and a method of determining a position and determining a position change of an object contacting an optical touch sensitive device. In particular, the present invention relates to an optical touch pad and a method of determining a po...

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Hauptverfasser: PEDERSEN HENRIK CHRESTEN, JAKOBSEN MICHAEL LINDE, HANSON VAGN STEEN GRUNER
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator PEDERSEN HENRIK CHRESTEN
JAKOBSEN MICHAEL LINDE
HANSON VAGN STEEN GRUNER
description The present invention relates to an optical touch-sensitive device and a method of determining a position and determining a position change of an object contacting an optical touch sensitive device. In particular, the present invention relates to an optical touch pad and a method of determining a position and determining a position change of an object contacting an optical touch pad. A touch-sensitive device, according to the present invention may comprise a light source, a touch-sensitive waveguide, a detector array, and a first light redirecting member, wherein at least a part of the light propagating towards a specific point of the detector array is prevented from being incident upon the specific point of the detector array when an object contacts a touch-sensitive surface of the touch-sensitive waveguide at a corresponding specific contact point.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Touch-sensitive device
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