Autonomous infant smart scale and changing table
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Solution Overview
Problem
Current baby health monitoring devices are complex and require significant user involvement, leading to reduced compliance and inconsistent data collection, making it difficult for parents to effectively monitor their newborns' health.
Innovation Solution
An infant smart scale weight tracking system integrated with a changing table, featuring a smart scale with a weight sensor and controller that autonomously measures and transmits baby weight data, including diaper weight, over time, using wireless connectivity and machine learning for accurate identification and pattern analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If autonomous weighing is implemented, then user compliance and data consistency improve, but device complexity increases
Solution Approach 1:
The patent combines the scale platform with the changing table into a single integrated device. The scale platform is embedded within the changing table structure, allowing the baby to be weighed automatically during diaper changes without requiring separate weighing operations. This merging reduces the need for multiple devices while maintaining autonomous functionality.
Solution Approach 2:
The system performs autonomous weighing by automatically detecting when the baby is placed on the platform, triggering the weighing sequence, and transmitting data without requiring parent intervention. The controller autonomously manages the entire weighing process including activating the weight sensor, processing measurements, and communicating results to the user device.
2Measurement precision
If multiple sensors and processing components are added for accurate measurement, then measurement precision improves, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical weighing mechanisms with electronic weight sensors that directly convert weight into electrical signals. The controller processes these signals through algorithms that filter noise and compensate for variations, achieving high precision without mechanical complexity. The system uses electronic signal processing rather than mechanical linkages and levers.
Solution Approach 2:
The controller acts as an intermediary between the weight sensor and the user device, processing raw sensor data through algorithms that remove spikes and filter noise. This intermediary processing layer enhances measurement accuracy by separating the simple sensing function from the complex data interpretation, allowing each component to remain relatively simple while achieving high overall precision.
3Ease of operation
If autonomous background operations are implemented, then ease of operation improves, but use of energy increases
Solution Approach 1:
The system operates in periodic cycles rather than continuously. The controller activates the weight sensor and performs measurements only when triggered by the presence of the baby on the platform. Between weighing events, the system enters a low-power state, reducing energy consumption while maintaining readiness for autonomous operation when needed.
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 continuous, accurate, and user-friendly baby weight monitoring, allowing parents to focus on caregiving while providing detailed health insights and patterns, improving data accuracy and user compliance.
Implementation Method 1
the weight sensor comprises a pressure sensor
Implementation Method 2
the weight sensor comprises a mechanical stress sensor
Implementation Method 3
the weight sensor comprises a vibration sensor
Implementation Method 4
the weight sensor comprises a piezoelectric sensor
Data Source
AI summary
An infant smart scale weight tracking system combines an changing table and smart scale that automatically weighs a baby each time the baby is laid on a platform of the changing table. The infant smart scale weight tracking system may determine a measured baby weight, diaper weight, as well as track the same over time.


