HDMI-CEC Automatic Configuration Update
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Solution Overview
Problem
Existing display control techniques require manual configuration updates when external devices connected via HDMI cables are changed, leading to inefficiencies in switching and updating the connecting configuration.
Innovation Solution
An electronic apparatus with a communication module, storage module, determination module, and acquisition module that automatically checks and updates the connection configuration by transmitting power-on signals, determining power states, and acquiring physical addresses of external devices via HDMI-CEC signals, allowing for automatic switching and display of updated configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If manual switching of inputs and updating of connecting configuration is performed when external apparatus is exchanged, then control accuracy is maintained, but loss of time increases due to manual intervention required
Solution Approach 1:
The television automatically detects the connection status of external apparatuses and updates the connecting configuration without user intervention. The determination module checks power states and the acquisition module automatically acquires new physical addresses, enabling the system to self-update when devices are connected or disconnected.
Solution Approach 2:
The system continuously monitors the power state of external apparatuses through the determination module and uses this feedback to trigger automatic configuration updates. When a power state change is detected, the system automatically acquires updated connection information and switches inputs accordingly.
2Productivity
If automatic detection and updating of connecting configuration is implemented, then productivity is improved by eliminating manual operations, but device complexity increases due to additional modules required
Solution Approach 1:
The determination module serves multiple functions: it detects power states of external apparatuses, identifies connection changes, and triggers acquisition operations. The communication module both transmits power-on signals and receives status responses, reducing the need for separate dedicated components.
Solution Approach 2:
The patent combines the detection and acquisition functions into an integrated automatic configuration update system. The determination module and acquisition module work together as a unified mechanism that automatically responds to connection changes, merging what could have been separate manual operations into a single automated process.
3Reliability
If power-on signal transmission and automatic detection are performed, then reliability of image data output is improved, but loss of time increases during initial device detection
Solution Approach 1:
The television transmits power-on signals to external apparatuses proactively before image data transmission is required. This preliminary action ensures that connected devices are powered on and ready to provide image data, preventing delays or failures when display content needs to be shown.
Solution Approach 2:
The determination module continuously monitors the power state of external apparatuses and maintains awareness of connection status. This continuous detection ensures that the system is always ready to switch inputs or update configurations without interruption, maintaining reliable image data output.
Data Source
AI summary
According to one embodiment, an electronic apparatus comprises a communication module, a storage, a determination module and an acquisition module. The communication module is configured to perform communication with a plurality of external devices. The storage is configured to store an address list correlating a logical address and a physical address of each of the external devices. The determination module is configured to transmit a power-on signals to the external devices and thereafter determine a power state of the external devices. The acquisition module is configured to perform switching of input by the communication module after the determination module determines that the external devices are powered on, and to acquire device information including the physical addresses of the external devices.