Communication Device Sleep Mode Feed Update Notification
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Solution Overview
Problem
Conventional communication devices in sleep mode do not notify users of updates in RSS feeds, leading to missed updates and inefficient power management.
Innovation Solution
A communication device with a display section, a storage unit for location data of content summaries, and a control unit that shifts from sleep mode to active mode upon detecting updated content summaries, ensuring users are notified of feed updates while optimizing power usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the device enters sleep mode to save power, then energy consumption is reduced, but users are not notified of feed updates
Solution Approach 1:
The device performs preliminary actions by continuously monitoring for feed updates in the background while in sleep mode. The update detection mechanism is activated beforehand, allowing the device to wake up only when necessary, thus saving power while ensuring update notifications are not missed.
Solution Approach 2:
The system serves itself by automatically detecting feed updates without requiring user intervention. The update detection mechanism operates autonomously, comparing new feed data with stored data and triggering a wake-up only when changes are detected, eliminating the need for continuous user monitoring.
2Loss of information
If the device continuously checks for feed updates, then update notification is ensured, but power consumption increases
Solution Approach 1:
Instead of continuous monitoring, the device employs periodic action by checking for feed updates only at intervals or when triggered by specific events. The system transitions between sleep and active modes periodically or based on update detection, reducing overall power consumption while maintaining update notification capability.
Solution Approach 2:
The update detection mechanism operates autonomously in the background during sleep mode, self-managing the monitoring process without requiring the device to remain fully active. This self-service approach ensures updates are detected while minimizing power consumption by keeping the main system in low-power state.
3Loss of information
If the device remains in active mode, then user notification of updates is immediate, but power efficiency decreases
Solution Approach 1:
The device dynamically transitions between sleep mode and active mode based on feed update status. When no updates are detected, the device remains in sleep mode for power efficiency. When updates are detected, it dynamically switches to active mode to notify the user, optimizing the balance between notification responsiveness and power efficiency.
Solution Approach 2:
The system changes its operational parameter (power state) based on the feed update condition. By monitoring feed data and comparing it with stored data, the device changes from a low-power state to a high-power state only when necessary, thereby improving overall power efficiency while ensuring update notifications are delivered.
Data Source
AI summary
A communication device is communicable with a server that distributes a content item and a content summary. The communication device acquires the content summary from the server at fixed intervals. When an updated content summary is acquired while a display unit of the communication device is in a sleep mode, then the display unit enters an active mode.