Dual-Connector Head Unit for Legacy and Ethernet Probe Integration

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Solution Overview

Problem

Existing coordinate positioning apparatuses face challenges in seamlessly integrating both legacy and newer devices due to differences in electrical contact configurations, leading to inefficiencies and potential wastage.

Innovation Solution

A head unit and electromechanical interface with dual sets of electrical contacts and connectors, allowing for backward compatibility with legacy devices while enabling the use of newer technology, including Ethernet standards for faster communication.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single electrical contact configuration is used in the head unit, then the device complexity is reduced and manufacturing is easier, but the adaptability to both legacy and newer devices is compromised

Engineering Contradiction:
Improvecompatibility with legacy and newer devicesVSAvoidelectrical contact configuration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The head unit incorporates two separate sets of electrical contacts (first set and second set) that can independently connect to different device types. The first set is configured for legacy devices while the second set is configured for newer devices, allowing the single head unit to universally support multiple device configurations without requiring separate hardware units

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If separate electrical contact sets are provided for legacy and newer devices, then adaptability is improved, but the device complexity increases

Engineering Contradiction:
Improveintegration of legacy and newer devicesVSAvoiddual electrical contact systems
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The electrical contact system is segmented into two independent sets (first set and second set) with distinct configurations. Each set is optimized for specific device types, allowing the complex requirements of supporting multiple device generations to be divided into manageable, specialized subsystems rather than requiring a single compromised design

Inventive Principle:
Principle #1Segmentation

3Speed

If legacy electrical contact configurations are maintained, then backward compatibility is preserved, but communication speed and efficiency are limited

Engineering Contradiction:
Improvecommunication speedVSAvoidsupport for legacy devices
Core Design Contradiction:
SpeedVSAdaptability or versatility

Solution Approach 1:

The head unit dynamically adapts its electrical contact configuration based on the connected device type. When a legacy device is detected, the first set of electrical contacts is activated with its established configuration. When a newer device is detected, the system switches to the second set of electrical contacts optimized for higher communication speeds, allowing performance to dynamically match device capabilities

Inventive Principle:
Principle #15Dynamics

4Ease of manufacture

If a single connector type is used, then the ease of manufacture is improved, but the loss of information regarding device-specific electrical requirements increases

Engineering Contradiction:
Improveconnector productionVSAvoiddevice-specific electrical contact requirements
Core Design Contradiction:
Ease of manufactureVSLoss of information

Solution Approach 1:

Different regions of the head unit's electrical interface are designed with locally optimized characteristics. The first set of electrical contacts has specific arrangement and configuration suited for legacy devices, while the second set has different characteristics optimized for newer devices. This local differentiation preserves the specific electrical requirements for each device type while maintaining overall manufacturing efficiency through standardized production processes

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP4671675A1Head unit
Publication Date: 2025.12.31 RENISHAW PLC
  • EP4671675A1 patent drawingFigure 1
  • EP4671675A1 patent drawingFigure 2
  • EP4671675A1 patent drawingFigure 3

AI summary

A head unit via which a device can be mounted onto a positioning apparatus, the head unit comprising: a first mount provided at a first end of the head unit, for mounting a device thereon; a second mount provided at a second end of the head unit, for mounting the head unit on a positioning apparatus; a first set of electrical contacts for electrically connecting to a device mounted on the first mount, the signals from which are passed through to a first plug or socket electrical connector on the head unit, the first plug or socket electrical connector comprising a set of electrical contacts and a mechanical interface for fitting with a counterpart plug or socket electrical connector on the positioning apparatus; and a second set electrical contacts, different to and separate from the first set of electrical contacts, for electrically connecting to a device mounted on the first mount, the signals from which are passed through to a second plug or socket electrical connector on the head unit which is different to and separate from the first plug or socket electrical connector on the head unit, the second plug or socket electrical connector comprising a set of electrical contacts and a mechanical interface for fitting with a counterpart plug or socket electrical connector on the positioning apparatus.