Location-Based Calendar Alert Triggering via Proximity Detection
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Solution Overview
Problem
Time-based calendar functions in portable devices do not account for tasks that can only be performed at specific locations, leading to inefficiencies as users cannot easily check lists or receive reminders when visiting new places.
Innovation Solution
A device and method that generate alert signals based on geographical position, allowing users to set calendar events triggered by proximity to predefined locations, using positioning means to update and store device positions, compare with stored locations of interest, and trigger alerts when within a predetermined distance, optionally combining with time-based triggers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If time-based calendar functions are used, then reminders can be set based on time instances, but tasks cannot be effectively managed when users visit new places
Solution Approach 1:
The patent extends the calendar function from time-based to location-based triggering by adding a spatial dimension. Positioning means (GPS or network-based) determine the user's geographical location, and the calendar system triggers reminders based on proximity to predefined locations rather than solely based on time. This dimensional expansion allows the same calendar mechanism to serve both time-based and location-based tasks.
2Ease of operation
If positioning services are used to trigger location-based alerts, then task management improves, but device complexity increases
Solution Approach 1:
The patent makes the positioning means serve multiple functions: determining location for alert triggering, providing location data for calendar events, and enabling both time-based and location-based reminders. The same positioning infrastructure supports various task management scenarios without requiring separate dedicated systems for each function, thereby reducing overall device complexity.
Solution Approach 2:
The patent combines the calendar function with positioning services by integrating location data from positioning means directly into the calendar system. The calendar events can be triggered based on proximity to locations determined by positioning means, merging what were previously separate functions (time-based scheduling and location-based services) into a unified system that reduces redundancy and complexity.
Data Source
AI summary
An alert signal is generated based on the geographical position of a device and/or based on time or date. The alert signal is generated when the device is within a certain distance from a predefined location. An actual position of the device, the location of a place of interest, and a request for an alert signal associated with the location of the place of interest are stored. The actual position of the device is compared with the location of the place of interest. The alert signal is generated when the distance between the actual position of the device and the location of a place of interest is less than a predetermined value.