In-Vehicle Notification System Using Position-Based Suppression
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Solution Overview
Problem
Existing operation forgetting notification systems fail to account for user intention and accurately identify states of operation forgetting, leading to unnecessary notifications due to communication limitations, especially in areas with poor connectivity or when the mobile terminal is outside the vehicle's communication range.
Innovation Solution
A notification system that includes an in-vehicle communication device transmitting state information to a mobile terminal, which uses determination units to assess whether a notification is necessary based on the vehicle's state and the terminal's position, preventing notifications when the terminal or vehicle is in a preset notification-prohibited area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the mobile terminal provides notification via the center using exiting from direct communication range as a determination condition, then notification coverage is improved, but communication reliability deteriorates in areas with poor connectivity
Solution Approach 1:
The patent introduces a center server as an intermediary to relay notifications between the in-vehicle notification device and the mobile terminal. When the mobile terminal exits the direct communication range of the vehicle, the center server acts as a mediator to forward the notification, ensuring that the user still receives alerts even when out of range. This resolves the contradiction by maintaining notification reliability through an intermediary communication path.
2Productivity
If the in-vehicle notification device determines operation forgetting based on predetermined conditions, then determination speed is improved, but accuracy deteriorates by failing to account for user intention
Solution Approach 1:
The patent implements a feedback mechanism where the mobile terminal receives state information from the in-vehicle notification device, performs local determination using the first determination unit, and can provide responses back to the vehicle. This feedback loop allows the system to learn from user responses and improve the accuracy of operation forgetting detection over time, while maintaining fast determination speed through automated initial assessment.
Solution Approach 2:
The patent makes the notification determination dynamic by allowing the mobile terminal to perform local determination using the second determination unit, which can override the in-vehicle device's determination based on user context. The system dynamically adjusts between automated determination and user-controlled determination, improving accuracy by accounting for user intention while maintaining productivity through automated processes.
3Reliability
If notification is provided whenever operation forgetting is detected, then notification completeness is improved, but user convenience deteriorates due to unwanted alerts
Solution Approach 1:
The patent applies local quality by implementing different notification strategies based on location. The second determination unit in the mobile terminal checks whether the current location is within a notification-prohibited area (such as underground parking or areas with poor connectivity). If so, notification is suppressed locally even though operation forgetting was detected, preventing unwanted alerts while maintaining completeness in appropriate contexts.
Data Source
AI summary
A notification system includes an in-vehicle communication device mounted on a vehicle to transmit state information regarding the vehicle to surroundings of the vehicle and a mobile terminal including a receiving unit which receives the state information from the in-vehicle communication device. The mobile terminal further includes a notification unit which performs a notification operation for a user, a first determination unit which determines whether or not the notification operation for the user is necessary on the basis of the state information received by the receiving unit, a second determination unit which acquires position information of at least one of the mobile terminal or the vehicle and determines whether or not the acquired position information is within a preset notification-prohibited area, and a determination control unit which determines whether or not to cause the notification unit to perform the notification operation on the basis of determination results of the first determination unit and the second determination unit.