Test element for automatically testing a touch field

The test element with a self-aligning stylus and touch element addresses alignment issues on curved displays, providing efficient and damage-free testing of touch fields.

DE102025124709A1Pending Publication Date: 2026-01-22ELEKTROBIT AUTOMOTIVE GMBH
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Patent Information

Application Number
DE102025124709
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-04
Filing Date
2025-06-26
Publication Date
2026-01-22

AI Technical Summary

Technical Problem

Existing touch field testing systems struggle with accurately aligning artificial fingers on curved displays due to the complexity of curved surfaces and limited degrees of freedom, requiring complex mathematical models and sensors, which can be inaccurate.

Method used

A test element with a stylus and flexibly attached touch element, such as a rubber or magnetic element, that automatically aligns itself perpendicular to the touch field, eliminating the need for cameras or complex sensors, and allowing for axial movement and interchangeable attachments.

Benefits of technology

Enables effective and cost-efficient testing of touch fields on curved surfaces with minimal tilting, ensuring accurate and robust functionality verification without damaging the display.

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Abstract

The present invention relates to a test element (1) for automatically testing a touch field. The test element (1) comprises a stylus (10) and a touch element (11). The touch element (11) is flexibly attached to the stylus (10). The invention further relates to a test system comprising such a test element (10).
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Citation Information

Patent Citations

  • Method and arrangement for inspecting a surface

    DE102015102238A1

  • Touch Screen Testing Platform

    US20120146956A1