Capsule Coding Layout for Reliable Beverage Machine Identification
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Solution Overview
Problem
Beverage preparation systems face challenges in handling diverse capsules, leading to increased user interface complexity, safety issues, and cost inefficiencies, particularly in reading information from capsules due to environmental harshness and aesthetic concerns.
Innovation Solution
A capsule with a code support surface featuring elements whose distance conveys information, allowing reliable reading without precise orientation or position knowledge, using a sensor to measure distances between elements for efficient and cost-effective data embedding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If barcodes are printed on capsules for coding information, then capsule identification is enabled, but printing reliability deteriorates on metallic capsules and space utilization is inefficient
Solution Approach 1:
The patent replaces optical barcode reading systems with electromagnetic induction sensors that detect metallic patterns on capsules. This substitution enables reliable reading of metallic capsules where optical systems fail, and allows coding information to be embedded in the capsule structure itself rather than printed on the surface.
Solution Approach 2:
The patent changes the coding approach from optical barcodes to electromagnetic detectable patterns. By varying the physical parameters of metallic elements (position, size, arrangement) on the capsule, information is encoded in a way that can be reliably detected by electromagnetic sensors regardless of capsule material or orientation.
2Loss of information
If standard optical reading systems are used in harsh environments, then capsule code reading is attempted, but reading reliability deteriorates due to dust and vapours
Solution Approach 1:
The patent replaces vulnerable optical reading systems with electromagnetic induction sensors that are insensitive to dust and vapour interference. The electromagnetic field penetrates harsh environments reliably, enabling accurate capsule identification even in the demanding conditions of beverage preparation machines.
3Extent of automation
If automated brewing units with moving parts are implemented, then beverage preparation automation is improved, but safety risks increase due to moving parts actuating automatically
Solution Approach 1:
The patent implements preliminary capsule identification and verification using electromagnetic sensors before the automated brewing cycle begins. The system reads capsule information, verifies compatibility, and confirms proper placement before activating moving parts, preventing safety incidents caused by incorrect capsule insertion.
Solution Approach 2:
The patent incorporates feedback mechanisms where electromagnetic sensors continuously monitor capsule presence and orientation throughout the brewing process. The system adjusts automated operations based on real-time capsule identification data, stopping or modifying movements when capsule positioning is incorrect to prevent safety hazards.
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 convenient, safe, and cost-effective handling of various capsules with reduced user intervention, improving safety and reliability in beverage preparation systems by embedding data on capsules in a way that is easy to manufacture and read, even in harsh environments.
Implementation Method 1
a sensor to measure distances between elements for efficient and cost-effective data embedding
Data Source
AI summary
The invention relates to a capsule intended for delivering a beverage in a beverage preparation machine. The capsule comprises a code support surface on which a code is represented. The code comprises a first value for at least one capsule-related information. The code further comprises a first element and a second element arranged on the code support surface so as that the distance between the first element and the second element is a function of the first value.