Dynamic Air Pressure Calibration for Mobile Devices
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Solution Overview
Problem
Existing air pressure calibration methods for mobile devices are limited by the need for static calibration using barometers, which are not easily accessible and require a clear altitude measurement, making dynamic calibration challenging due to changing air pressure conditions.
Innovation Solution
A method and device that acquire self-location data to retrieve air pressure information from web services or websites for dynamic calibration, eliminating the need for a separate barometer and allowing for real-time adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If static calibration using barometers is used, then measurement precision is improved, but ease of operation deteriorates because barometers are provided in very limited places only
Solution Approach 1:
The patent introduces web services and websites as intermediary components that provide air pressure reference data remotely. Instead of requiring direct physical access to barometers, the system uses network-based intermediaries to deliver calibration data to mobile devices, thereby improving accessibility while maintaining measurement precision through remote reference standards
Solution Approach 2:
The patent creates a digital copy of barometric reference data through web services and websites. Rather than requiring physical barometer instruments, the system uses electronic copies of air pressure reference information that can be accessed remotely via network connections, making calibration data available anywhere with internet access
2Measurement precision
If static calibration is used, then measurement precision is improved, but adaptability deteriorates because the changing of air pressure occurs momentarily in a mobile device
Solution Approach 1:
The patent transitions from static calibration methods to dynamic calibration by enabling real-time or near-real-time updates of air pressure reference data through web services. The system can dynamically adjust calibration parameters based on current atmospheric conditions, allowing mobile devices to adapt to momentary air pressure changes while maintaining precision
Solution Approach 2:
The patent implements preliminary action by having web services continuously monitor and update air pressure reference data before calibration is needed. The reference data is pre-fetched and maintained in an updated state, so when calibration is required, the mobile device can immediately use current reference values without delay, thus adapting to dynamic conditions
3Measurement precision
If weather observation-based calibration is used, then measurement precision is improved, but device complexity increases because a barometer on the clear position for altitude from the ocean surface needs to be set up
Solution Approach 1:
The patent extracts the complex barometer setup requirements from the mobile device calibration system. Instead of requiring the mobile device to include or directly connect to physical barometers with precise altitude positioning, the system extracts the reference data function and implements it through simplified web service interfaces that handle the complex altitude and position calculations server-side
Solution Approach 2:
The patent replaces the mechanical barometer system with an information-based web service system. Instead of using physical barometric instruments that require precise mechanical setup and altitude positioning, the system substitutes these with electronic data services that deliver reference air pressure information through network protocols, significantly reducing device complexity
Data Source
AI summary
A calibration method of air pressure for a mobile device, a calibration device and a mobile device, where the calibration method includes acquiring self-location data of the mobile device; acquiring air pressure information from a web site or a web service according to the self-location data; performing calibration of air pressure for the mobile device by using the air pressure information. Through the embodiments of the present invention, dynamic calibration of air pressure is performed; furthermore, another barometer is not needed in the mobile device.