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1. (WO2018182476) TOUCH SENSING APPARATUS AND METHOD FOR ASSEMBLY

Pub. No.:    WO/2018/182476    International Application No.:    PCT/SE2018/050109
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Wed Feb 07 00:59:59 CET 2018
IPC: G06F 3/042
G02B 7/28
H05K 1/18
Applicants: FLATFROG LABORATORIES AB
Inventors: SKAGMO, Daniel
EHN, Robert
BERGSTRÖM, Håkan
Title: TOUCH SENSING APPARATUS AND METHOD FOR ASSEMBLY
Abstract:
A touch sensing apparatus is disclosed comprising a panel that defines a touch surface, a plurality of light emitters and detectors arranged along a perimeter of the panel. The light emitters are arranged to emit a respective beam of emitted light that travels above the touch surface, wherein the light detectors are arranged to receive detection light from the emitted light. The plurality of light emitters and detectors are arranged above the touch surface and are connected to a substrate extending in a direction parallel with a normal axis of a plane in which the panel extends. A method of assembling a touch sensing apparatus is also disclosed.