License Plate RFID Inlay Placement for Precise Automated Fixing

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Solution Overview

Problem

Existing methods and devices lack automation for precisely positioning and fixing contactless data carriers, such as RFID chips, in registration plates, particularly motor vehicle license plates, ensuring smooth operation and reliable attachment.

Innovation Solution

A method and device for automatically pre-fixing data carriers in predetermined positions using adhesion sites and handling devices, followed by final fixation, ensuring precise and permanent attachment without manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If data carriers are manually positioned and fixed in receptacles of plate bodies, then precise positioning and reliable attachment can be achieved, but the process lacks automation and is time-consuming

Engineering Contradiction:
Improveautomation of data carrier applicationVSAvoidpositioning precision of data carrier
Core Design Contradiction:
Extent of automationVSManufacturing precision

Solution Approach 1:

The patent applies preliminary action by pre-fixing data carriers onto plate bodies or material webs before final assembly. Adhesion sites are applied in advance to predetermined positions, and data carriers are pre-positioned on these sites. This preliminary fixing ensures precise positioning is maintained during subsequent automated handling and final fixation processes, resolving the contradiction between automation and positioning precision.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If data carriers are firmly fixed in receptacles, then reliable attachment and prevention of displacement are achieved, but the attachment becomes permanent and non-detachable

Engineering Contradiction:
Improvereliability of data carrier attachmentVSAvoiddetachability of data carrier
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The patent segments the fixation process into distinct stages: pre-fixing using adhesion sites, positioning in receptacles, and final fixation. This segmentation allows the attachment to achieve reliable fixation through the combination of adhesion sites and receptacle positioning, while the modular structure enables controlled detachment when needed by reversing the fixation steps, thus resolving the contradiction between reliability and ease of repair.

Inventive Principle:
Principle #1Segmentation

3Productivity

If multiple work stations are used for data carrier application, then automated processing is achieved, but device complexity increases

Engineering Contradiction:
Improvethroughput of plate body processingVSAvoidnumber of work stations
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent merges multiple functions into integrated work stations. For example, work stations combine adhesion site application, data carrier positioning, and fixation operations in single locations. Material webs are continuously fed through multiple work stations in sequence, allowing automated processing of multiple plate bodies without requiring separate complex equipment for each operation, thus resolving the contradiction between productivity and device complexity.

Inventive Principle:
Principle #5Merging (Combining)

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

Enables fully automated and precise fitting of contactless data carriers in registration plates, preventing displacement during processing and ensuring reliable, non-detachable attachment, while maintaining electrical isolation for error-free reading.

Implementation Method 1

the data carrier is pre-fixed in the predetermined position relative to the plate body or to the material web

Methodology Applied
Scientific EffectAdhesive bonding: Adhesive

Data Source

PatentUS12412062B2Method and device for providing a licence plate, preferably a motor vehicle licence plate, with a data carrier
Publication Date: 2025.09.09 TONNJES ISI PATENT HOLDING GMBH
  • US12412062B2 patent drawing
  • US12412062B2 patent drawing
  • US12412062B2 patent drawing

AI summary

A device for the automatic fitting of vehicle registration plates with data carriers. A plurality of work stations interlinked by at least one conveyor are provided for this purpose. The work stations are equipped with handling devices and associated imaging devices. As a result, a respective data carrier can be automatically gripped and placed in its precise position in the opening and prefixed there. The data carriers are then each cast automatically in the opening for the permanent fixation of the data carrier in the opening of the registration plate.