NFC Controller Power Management via Display Processing Detection
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Solution Overview
Problem
Near field communication devices consume excessive power when their communication function is constantly enabled, leading to wasteful energy usage.
Innovation Solution
A communication device with a near field communicator, display, and controller that determines whether displayed-image-based processing requires near field communication, activating or deactivating the communication function accordingly to conserve power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the communication function is always enabled for near field communication, then the communication device can always transmit and receive data, but the electric power consumption increases
Solution Approach 1:
The communication function is made dynamic rather than static. The near field communicator is activated only when the controller determines that displayed-image-based processing is the specific processing, and deactivated otherwise. This dynamic switching resolves the contradiction by adapting the communication availability to actual operational needs.
Solution Approach 2:
The operational state of the near field communicator is changed based on processing type parameters. The controller changes the parameter of communication function activation/deactivation according to whether the current processing is displayed-image-based processing, thereby optimizing power consumption while maintaining necessary communication capability.
2Ease of operation
If the near field communicator is activated continuously, then near field communication can be performed at any time, but power is wastefully consumed during non-communication periods
Solution Approach 1:
The near field communicator operates periodically rather than continuously. It is activated only during periods when displayed-image-based processing is being performed and deactivated during other periods. This periodic operation eliminates wasteful power consumption while maintaining communication readiness when actually needed.
Solution Approach 2:
The system automatically determines when communication is needed based on the type of processing being performed, without requiring manual intervention. The controller self-manages the activation and deactivation of the near field communicator based on processing type detection, optimizing power usage autonomously.
Data Source
AI summary
A communication device, including: a near field communicator configured to perform near field communication with an information processing terminal; a display configured to display an image; and a controller configured to execute specific processing in which the controller obtains data from the information processing terminal utilizing the near field communication and executes process in accordance with the obtained data, wherein the controller is configured to determine, when an image is being displayed on the display, whether displayed-image-based processing that is processing in accordance with the image displayed on the display is the specific processing, and wherein the controller is configured to inactivate a communication function of the near field communicator if it is determined that the displayed-image-based processing is not the specific processing and to activate the communication function of the near field communicator if it is determined that the displayed-image-based processing is the specific processing.