Beverage Dispenser Interface With Dual-Direction User Selectors
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Solution Overview
Problem
Existing beverage preparation machines require burdensome reprogramming for different users to adjust beverage parameters like volume and taste intensity, leading to inconvenience when multiple users share the same machine.
Innovation Solution
A beverage preparation machine with a user-interface featuring two user-selectors, each with distinct adjustment and initiation directions, allowing users to easily select and store preferred parameter values without manual reprogramming, enabling different users to customize their beverage settings intuitively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual reprogramming is required for different users to adjust beverage parameters, then customization capability is improved, but ease of operation deteriorates
Solution Approach 1:
The system automatically detects user identity via card reader and applies stored beverage parameters without requiring manual reprogramming. The machine serves itself by retrieving pre-stored user preferences from memory and automatically configuring the beverage preparation parameters, eliminating the need for users to manually adjust settings each time they use the machine.
Solution Approach 2:
User preferences and beverage parameters are pre-programmed and stored in the system memory during an initial setup phase. When a user presents their identification card, the system retrieves these pre-stored parameters and automatically applies them, so the customization work has already been done in advance rather than requiring manual adjustment at the time of use.
2Adaptability or versatility
If multiple users share the same machine, then device versatility is improved, but time consumption for parameter adjustment increases
Solution Approach 1:
The system automatically retrieves and applies the correct user parameters by detecting the inserted card, eliminating the time-consuming manual reprogramming process. Each user's preferences are automatically loaded into the control system, allowing multiple users to share the machine without any time loss for parameter adjustment.
Solution Approach 2:
The manual mechanical process of adjusting parameters is replaced by an automated electronic system that reads user identification from a card and automatically retrieves corresponding parameters from digital memory, substituting manual adjustment with automated electronic retrieval and application.
3Measurement precision
If complex reprogramming procedures are required, then parameter precision is improved, but device complexity increases
Solution Approach 1:
The control system automatically manages the complex parameter retrieval and application process without user intervention. The system itself performs the precise configuration by reading stored parameters associated with each user's identification card and automatically setting the beverage preparation parameters to the correct precision settings.
Solution Approach 2:
Instead of requiring users to manually input precise parameters each time, the system creates and stores digital copies of each user's preferred parameter settings in memory. These copied parameter sets are then automatically retrieved and applied based on user identification, maintaining precision while simplifying the user interaction to a simple card insertion.
Data Source
AI summary
A machine (1) for preparing a beverage has: a beverage preparation module for processing one or more beverage ingredients and for dispensing a beverage resulting therefrom; a unit for controlling such processing in accordance with a parameter set to a value stored in the unit; and a user-interface (20) connected to the control unit for acquiring the value from a user and storing the value in the control unit. The user-interface has a first user-selector (21) associated with a first value for the parameter and a second user-selector (22) associated with a second value for the parameter. The first and second user-selectors (21, 22) each comprises a user-actuation adjustment direction (211, 221) for shifting on user-actuation in the adjustment direction the value associated with the user-selector to a user-selected adjusted value selected from a range of values associated with the user-selector. Furthermore, each of the user-selectors comprises a user-actuation initiation direction (212, 222) for initiating on user-actuation in the initiation direction: the control unit to store the user-selected adjusted value as the stored value; and/or the processing in accordance with the parameter set to the user-selected adjusted value as said stored value.

