Portable Control Data Deletion Using Position-Based Area Boundaries
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Solution Overview
Problem
Existing technologies for securing data on portable control devices fail to reliably delete data when the device is outside a designated area, leading to security concerns and communication limitations due to radio wave strength thresholds that are difficult to set and manage.
Innovation Solution
A portable control device system that determines data deletion based on the device's position using a satellite positioning system, allowing for precise location tracking and secure data management within designated areas, enabling the storage and display of control data within permitted zones and its deletion outside those zones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radio wave strength threshold is set for data deletion, then security is improved, but device complexity increases due to difficult layout-dependent settings
Solution Approach 1:
The system automatically obtains positional information from GPS satellites and performs autonomous comparison with stored boundary data. The device independently determines whether it is within the safe area and executes data deletion accordingly, eliminating the need for manual threshold adjustments by users or administrators
Solution Approach 2:
The patent transforms the configuration approach from setting radio wave strength thresholds (which requires layout analysis and minute adjustments) to defining geographical boundaries using coordinate data. This parameter change simplifies the setup process, as boundary definitions can be directly input without considering signal propagation characteristics
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 solution enhances security by ensuring reliable deletion of data when the device is outside a designated area, improving communication by decoupling data availability from radio wave strength and simplifying area-specific settings.
Implementation Method 1
acquires a position of the own device using a satellite positioning system
Data Source
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AI summary
Provided is a portable control device (100) comprising: a storage unit (105) for storing control data that includes a program for controlling a system and data used for the program; and a position control unit (104) for acquiring the position of the own device. The portable control device (100) includes a main control unit (103) for deleting control data from the storage unit (105) when the position acquired by the position control unit (104) is outside a first area.