Body-Mountable Sensor Data Storage Management
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Solution Overview
Problem
Body-mountable devices, such as contact lens sensors, face challenges in storing sensor data due to limited storage space and power constraints, leading to potential data loss when they are not within a wireless communication range of an external reader.
Innovation Solution
Implementing a method where the device stores sensor data only when specific conditions are met, including available storage space and sufficient power, allowing for efficient data management and transmission when conditions are satisfied.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If sensor data is continuously stored in the body-mountable device, then data completeness is improved, but storage space is depleted and power is consumed
Solution Approach 1:
The patent implements dynamic storage management where the device adaptively adjusts data retention based on available storage space and power conditions. The system continuously monitors storage capacity and power availability, making real-time decisions about whether to store incoming sensor data packets. This dynamic approach allows the device to maximize data retention while preventing storage exhaustion and excessive power consumption.
2Loss of information
If sensor data is continuously stored in the body-mountable device, then data completeness is improved, but power consumption increases
Solution Approach 1:
The system dynamically adjusts its data storage behavior based on real-time power availability. When power levels are low, the device reduces or suspends data storage operations to conserve energy. When power is充足, the device resumes normal storage operations. This dynamic power-aware storage management resolves the contradiction between maintaining data completeness and limiting power consumption.
3Productivity
If the device transmits data wirelessly to an external reader, then data management efficiency is improved, but the device must be within communication range
Solution Approach 1:
The patent implements preliminary data storage as a buffer mechanism. When the device is within wireless communication range, it transmits accumulated sensor data to the external reader. When out of range, it continues to store data locally in available storage space. This preliminary storage action ensures that data is preserved regardless of communication availability, while still enabling efficient batch transmission when the opportunity arises.
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
This approach ensures that sensor data is stored and transmitted effectively, preventing data loss and optimizing storage and power usage in body-mountable devices.
Implementation Method 1
An electrochemical reaction involving the analyte can transfer electrons to or from the working electrode so as to generate a current related to the concentration of the analyte
Implementation Method 2
the contact lens can include an antenna that is configured to receive radio frequency radiation from the external reader and produce a backscatter signal based on a sensor reading
Data Source
AI summary
In one aspect of the present disclosure, a method involves obtaining, by a body-mountable device, sensor data, where the body-mountable device includes a data storage. The method further involves making a determination that each condition in a condition set has been satisfied. In addition, the method involves responsive to making the determination that each condition in the condition set has been satisfied, storing the obtained sensor data in the data storage.