Electronic Paper Pattern Panel for Vehicle Sensor Calibration

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Solution Overview

Problem

Manufacturer-independent workshops face significant space and cost challenges due to the need for multiple sample panels with different graphic patterns for vehicle measurement and sensor device calibration, as each manufacturer specifies unique patterns, leading to high production costs and space requirements.

Innovation Solution

A sample panel equipped with an electronic paper display device that can selectively display various patterns, allowing a single panel to be used for multiple vehicles and driver assistance systems, reducing the need for multiple panels and enabling precise and accurate measurements and calibrations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If multiple different pattern boards are kept for different manufacturers, then the required measurement accuracy and calibration precision can be ensured, but the storage space and acquisition costs increase significantly

Engineering Contradiction:

Improvemeasurement accuracyVSAvoidstorage space

Core Design Contradiction:

Measurement precisionVSArea of stationary object

Solution Approach 1:

The pattern board transitions from a static display to a dynamic electronic display device that can change patterns electronically. The display device is electrically controllable to switch between different manufacturer-specific patterns, eliminating the need for multiple physical boards while maintaining measurement precision through programmable pattern selection.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The display device allows changing display parameters such as pattern type, contrast, and brightness through electrical control. By modifying the electrical signals sent to the display, different patterns can be generated without physical changes to the board itself, thus reducing storage space while preserving measurement accuracy.

Inventive Principle:

Principle #35Parameter changes

2Reliability

If multiple different pattern boards are manufactured for different manufacturers, then the specific measurement requirements of each manufacturer can be met, but the production costs increase significantly

Engineering Contradiction:

Improvemeasurement reliabilityVSAvoidproduction cost

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The pattern board is designed as a universal device that can serve multiple manufacturers through electronic programmability. A single physical board with an electrically controllable display can generate different patterns required by various manufacturers, eliminating the need to manufacture multiple specialized boards while maintaining measurement reliability through accurate pattern reproduction.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

Instead of manufacturing multiple physical pattern boards, the invention uses an electronic display to create virtual copies of different patterns through electrical signals. The display device can replicate any manufacturer's pattern requirements digitally, significantly reducing production costs while maintaining the reliability needed for accurate measurements.

Inventive Principle:

Principle #26Copying

3Adaptability or versatility

If a single pattern board is used for multiple manufacturers, then the storage space and costs are reduced, but the precision and accuracy of pattern reproduction may be compromised

Engineering Contradiction:

Improvemulti-manufacturer compatibilityVSAvoidpattern reproduction precision

Core Design Contradiction:

Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The invention replaces the mechanical approach of using multiple physical pattern boards with an electronic display system. The electrically controllable display device uses electrical signals to generate patterns, eliminating mechanical limitations and achieving high precision pattern reproduction through digital control while maintaining multi-manufacturer compatibility.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution significantly reduces the number of sample panels required, minimizing space and cost burdens while ensuring high precision and accuracy in vehicle measurements and sensor device calibrations, as the display device's physical structure dictates the pattern elements, allowing for high-contrast and precise pattern reproduction.

Implementation Method 1

a display device that operates on the principle of electronic paper and is configured to selectively display one of several different patterns

Methodology Applied

Scientific EffectElectronic paper display principle:

Data Source

PatentEP3918276B1Pattern panel

Publication Date: 2023.04.05 BEISSBARTH AUTOMOTIVE TESTING SOLUTIONS GMBH

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AI summary

The invention relates to a pattern panel (8) for vehicle measurement and/or for the calibration of a sensor device (17) in a motor vehicle (18), said pattern panel comprising a display device (21) which operates according to the principle of electronic paper and is designed to display optionally one of at least two different patterns (9, 9a-9f). The patterns (9, 9a-9f) comprise a plurality of pattern elements (11a-11d), the pattern elements (11a-11d) being in each case predefined by the physical structure of the display device (21).