Beverage Capsule Optical Identifier for Machine Compatibility Control
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Solution Overview
Problem
Existing beverage capsules are not specifically designed for particular coffee machines, leading to potential safety issues and machine damage when incompatible capsules are used.
Innovation Solution
A portion capsule with an identifier that allows individualization, preventing insertion into incompatible coffee machines by using optical, mechanical, or electrical detection systems to match the capsule with compatible machines, ensuring only suitable capsules are used for brewing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an identifier system is added to the capsule, then compatibility control and machine safety are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent uses optical copies (reflective/non-reflective patterns, barcodes, or color codes) as identifiers on the capsule surface. These optical patterns serve as information carriers that can be detected by the machine's sensor system without adding mechanical complexity to the capsule structure. The identifier is essentially a visual pattern that replicates compatibility information in a detectable form.
Solution Approach 2:
The patent replaces potential mechanical identification systems (such as physical keys, grooves, or mechanical interlocks) with an optical detection system. The identifier on the capsule is read by an optical sensor in the machine, substituting mechanical interaction with optical field interaction, thereby simplifying the physical structure while maintaining identification functionality.
2Adaptability or versatility
If detection systems are integrated into the machine, then capsule verification capability is improved, but manufacturing cost and system complexity increase
Solution Approach 1:
The optical detection system is designed to serve multiple functions: it not only identifies capsule compatibility but can also potentially read capsule type information, batch codes, or other variable data. The same sensor and light source assembly can detect different identifier patterns (reflective vs. non-reflective, barcode vs. color code), making the system versatile for various identification needs without requiring separate detection mechanisms.
Solution Approach 2:
The identifier on the capsule passively provides identification information through its optical properties (reflectivity, color, pattern) without requiring active components on the capsule side. The capsule essentially identifies itself by its inherent or applied optical characteristics when illuminated by the machine's light source, eliminating the need for powered transmitters or active sensors on the capsule.
3Reliability
If mechanical means are added to the media chute to prevent incorrect capsule insertion, then compatibility control is improved, but device complexity and ease of operation worsen
Solution Approach 1:
The optical identifier on the capsule and the corresponding detection system in the media chute work together to prevent incorrect capsule insertion before the brewing process begins. The system detects the identifier during or before capsule insertion, and can prevent machine operation or alert the user before damage occurs, taking preliminary action to avoid harmful outcomes.
Solution Approach 2:
The optical identifier acts as an intermediary element between the capsule and the machine's control system. Rather than requiring direct mechanical interference or complex locking mechanisms, the identifier mediates the compatibility verification process by providing detectable information that the control system uses to determine whether to permit operation, thus simplifying the interaction while maintaining reliability.
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
Prevents the use of unsuitable capsules, ensuring safety and machine compatibility, allowing for controlled brewing parameters like pressure and temperature, thus enhancing the brewing process and user safety.
Implementation Method 1
the identifier is composed of surface areas having different optical properties, for example reflection
Data Source
AI summary
A method of making a portion capsule that includes steps of: forming a metal material into a base element that includes: i) a wall extending around a central longitudinal axis to define a cavity, and ii) a rim having a top side and an opposing bottom side; filling the cavity with a beverage material; closing the cavity by attaching a foil cover onto the top side of the rim, the cover being dimensioned and configured to be: i) pierced by the mandrel of the beverage making machine in a piercing region, and ii) sealed by the seal of the beverage making machine in a sealing region; and providing an optically detectable identifier onto the metal material so that the optically detectable identifier results on the bottom side of the rim.