Call Reminder System Using External Device Feedback
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Solution Overview
Problem
Users often miss important calls or messages due to their mobile phones being set to mute or ignored, leading to potential losses or misunderstandings, as they forget to reset the mode or are unaware of unanswered calls.
Innovation Solution
A call reminder system comprising a transmitting and processing module that generates reminder signals if an execute signal is not received within predetermined times, using various transmission methods like Bluetooth, GSM, or WiFi, and delivers these signals to external devices via instant messaging, email, or SMS, ensuring users are notified of missed calls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the mobile phone is set to mute mode to prevent disturbance, then the user can avoid unnecessary interference, but the user may forget to reset it and miss important calls or messages
Solution Approach 1:
The system implements feedback by continuously monitoring the mute mode state and automatically sending reminder notifications when calls or messages are received during mute period. The external device receives real-time status updates and provides feedback to the user about missed communications, ensuring important information is not lost even when the phone is in mute mode.
Solution Approach 2:
An external electronic device serves as an intermediary between the mobile phone and the user. When the phone is in mute mode, the intermediary device receives and forwards calls and messages to the user through alternative communication channels, bridging the gap between the muted phone and the user's awareness of incoming communications.
2Productivity
If the user sets the mobile phone aside during important activities, then the user can focus on the activity, but the user may forget to check the phone and miss important communications
Solution Approach 1:
The external electronic device acts as an intermediary that receives and relays communications to the user during activities. The user can remain focused on their work or meeting while the intermediary device handles incoming calls and messages, notifying the user through alternative means without requiring their immediate attention to the mobile phone.
Solution Approach 2:
The system transitions the notification dimension from the mobile phone itself to an external device. Instead of requiring the user to interact with the phone during focused activities, notifications are delivered through a different channel or device, allowing the user to maintain focus while still receiving important communications in another dimension.
3Reliability
If multiple reminder signals are sent to ensure user notification, then the user is more likely to notice missed calls, but the system complexity increases
Solution Approach 1:
The notification system is segmented into multiple independent components: the mobile phone, external electronic device, and multiple communication channels. Each segment handles specific aspects of the notification process, allowing the system to send reminders through different paths without requiring complex integration between all components simultaneously.
Solution Approach 2:
The external electronic device performs multiple functions within a single device: receiving calls, receiving messages, sending reminder notifications, and providing user interface for interaction. This multi-functionality reduces overall system complexity compared to having separate dedicated devices for each function.
Data Source
AI summary
A call reminder system includes a transmitting module and a processing module. The transmitting module receives an outside signal to generate a call signal. The processing module is connected to the transmitting module to receive the call signal and generate a call message corresponding to the call signal. When an executed signal is not received by the processing module in a first predetermined time, and the call message is in compliance with a reminder condition determined by the processing module, the processing module will generate a first reminder signal and deliver the first reminder signal to an external electronic device by the transmitting module. Thereby, the function of reminding the user of unanswered calls may be achieved.