Display Device Priority Control for Image Supply Systems
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Solution Overview
Problem
In image display systems with multiple devices, unintended operations can occur when switching between image supply devices, particularly when devices with operating systems are involved, leading to inconsistent operations due to multiple devices receiving and responding to remote control signals independently.
Innovation Solution
An image display system where a display device and an image supply device can bidirectionally communicate, with an operation terminal transmitting signals to prioritize and manage operations, ensuring that the display device stops updating the image from the first supply device when a higher-priority image is generated by the display device, such as a menu screen, allowing for coordinated control via a single remote controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple image supply devices are coupled to a display device for convenient operation via a single remote controller, then ease of operation is improved, but inconsistent operations and unintended actions occur when switching between devices
Solution Approach 1:
The display device serves as an intermediary that receives operation signals from the remote controller and intelligently routes them to the appropriate image supply device. When a menu operation is detected, the display device pauses the current content from the first image supply device and displays the menu screen, preventing unintended concurrent operations and ensuring reliable, consistent behavior across device switching.
2Adaptability or versatility
If an image supply device with OS is coupled to the display device, then adaptability and functionality are improved, but inconsistent operations occur due to multiple devices receiving operation signals independently
Solution Approach 1:
The display device acts as a mediator that centralizes the handling of operation signals. It detects when operation signals are intended for menu operations and intercepts them, preventing the image supply device with OS from independently processing the same signal. This ensures consistent operation behavior while maintaining compatibility with various OS-based image supply devices.
Solution Approach 2:
The patent merges the control functions of multiple devices into a unified control mechanism at the display device. By combining the signal reception, interpretation, and routing functions in one location, the system achieves consistent operation behavior across different device types while maintaining their individual capabilities.
3Adaptability or versatility
If the display device displays both the first image from image supply device and the second image generated by the display device, then functionality is improved, but playback continuity issues occur when switching between image supply devices
Solution Approach 1:
The system dynamically adjusts the playback state of the first image based on the operation detected. When a menu operation is detected, the display device pauses the first image playback; when menu operations are completed, playback resumes. This dynamic control ensures reliable playback behavior while maintaining the ability to display multiple images simultaneously.
Data Source
AI summary
An image display system includes: a display device; an image supply device coupled to the display device in such a way as to be able to bidirectionally communicate and supplying an image signal; and an operation terminal having a plurality of operation buttons. The operation terminal transmits an operation signal in response to an operation on the operation button. The display device displays a first image supplied from the image supply device and a second image generated by the display device. On receiving the operation signal, the display device decides a degree of priority of the first image and the second image. The display device transmits a signal to stop updating the first image to the image supply device and executes processing based on the second image when the degree of priority of the second image is higher than the degree of priority of the first image.