Contactless Sensor Interface for Hygienic Beverage Machine Control
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Solution Overview
Problem
Existing beverage and foodstuff preparation machines have user interfaces that are unsightly, expensive, occupy too much space, become unhygienic and difficult to clean, and are uninteresting for users, despite advancements in their development.
Innovation Solution
A contactless sensor-based user interface that allows users to adjust parameters without physical contact, using proximity, movement, or gesture sensing, and provides feedback through visual or audio indicators, making the interface hygienic, compact, cost-effective, and user-friendly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional mechanical user interfaces (buttons, dials, switches) are used, then parameter adjustment functionality is achieved, but the interface becomes unhygienic and difficult to clean with repetitive use
Solution Approach 1:
The patent replaces mechanical contact-based user interface elements (buttons, dials, switches) with a contactless sensor system that detects user input through proximity or gesture sensing. This substitution eliminates the need for physical contact between the user and the machine interface, thereby preventing contamination accumulation and making the interface hygienic while maintaining full parameter adjustment functionality
2Ease of operation
If traditional mechanical user interfaces are used, then parameter control capability is provided, but the interface occupies a large amount of space on the machine
Solution Approach 1:
The patent extracts the user interface functionality from physical mechanical components and relocates it to a contactless sensing system. By removing the need for physical buttons, dials, and switches, the interface requires minimal space on the machine surface while preserving complete parameter control capability through gesture or proximity-based input
3Ease of operation
If traditional mechanical user interfaces are used, then user input functionality is achieved, but the interface becomes expensive to produce
Solution Approach 1:
The patent substitutes complex mechanical interface components with electronic contactless sensors and feedback mechanisms. This replacement reduces manufacturing costs by eliminating precision mechanical parts, assembly requirements, and associated production complexity while maintaining robust user input functionality through simpler electronic sensing and actuation systems
4Ease of operation
If traditional mechanical user interfaces are used, then parameter adjustment is enabled, but the interface appears unsightly
Solution Approach 1:
The patent replaces visible mechanical interface elements with subtle contactless sensing zones and minimal feedback indicators. This substitution creates a clean, streamlined appearance without the visual clutter of physical buttons, dials, or switches, while maintaining full parameter adjustment capability through invisible or minimally intrusive interface elements
5Ease of operation
If traditional mechanical user interfaces are used, then user interaction is provided, but the interface becomes uninteresting for users
Solution Approach 1:
The patent introduces dynamic and versatile user interaction modes through the contactless sensor system, enabling multiple input methods such as proximity detection, gesture recognition, and variable interaction distances. This dynamic interface adapts to different user preferences and contexts, making the interaction more engaging and interesting while maintaining ease of operation
Solution Approach 2:
The contactless sensor system provides universal user interaction capability by supporting multiple input modalities (proximity, gesture, different interaction distances) within a single interface system. This multi-functionality makes the interface more versatile and interesting for users while maintaining simplicity and ease of use
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 contactless sensor interface enhances user experience by being easy to clean, space-efficient, and cost-effective, while providing a stimulating and convenient operation method, reducing the need for physical interaction and maintaining hygiene.
Implementation Method 1
a contactless sensor operable to sense without physical contact (i.e. between the body part and sensor) a body part of a user
Implementation Method 2
using proximity, movement, or gesture sensing
Implementation Method 3
using proximity, movement, or gesture sensing
Implementation Method 4
provides feedback through visual or audio indicators
Data Source
AI summary
A beverage or foodstuff preparation machine (4) comprising: a component processing unit (14) to process a beverage or foodstuff component to prepare a beverage or foodstuff therefrom; and a control system (16) operable to execute a preparation process comprising controlling said component processing unit to prepare the beverage or foodstuff, the control system comprising a user interface (36), wherein the user interface comprises: a contactless sensor (40) operable to sense without physical contact a body part of a user; and a feedback unit operable to provide feedback to a sensor, said body part of a user; and in response to change a value of a parameter associated with the preparation process and to indicate via the feedback unit the change in value.