Dynamic Connection Code Management for Wireless LAN Access Points
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Solution Overview
Problem
Current wireless LAN access points have a limited capacity to connect multiple terminal devices, leading to connectivity issues in environments with a large number of users, such as companies or schools, where the connection upper limit restricts the number of devices that can be simultaneously connected.
Innovation Solution
A display system comprising a transmission device, a reception device with a connection code creator and security key creator, and a display device that outputs the connection code, allowing users to easily connect by inputting the code into the transmission device, which generates a matching security key for connection, and automatically updates the connection code when the limit is reached to accommodate more devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wireless LAN access point maintains connection with terminal devices until radio waves cannot be received, then connection stability is improved, but the number of simultaneously connectable devices is limited to about 10-50 devices
Solution Approach 1:
The patent implements dynamic connection code management where the access point periodically changes connection codes and security keys. This dynamic approach allows the system to maintain stable connections for active devices while automatically expiring and replacing connections for inactive devices, thereby enabling support for a larger number of simultaneous connections without compromising connection stability
Solution Approach 2:
The system changes the security parameters (connection codes and security keys) over time. By periodically updating these parameters and comparing them with previously stored ones, the access point can identify and disconnect inactive devices, freeing up connection slots for new devices while maintaining stable connections for active ones
2Ease of operation
If connection settings for the wireless LAN access point are made automatic by inputting a predetermined PIN code, then ease of operation is improved, but the connection upper limit problem persists in environments with many users
Solution Approach 1:
The patent implements automatic connection management where the access point autonomously handles connection code distribution and security key generation. Terminal devices automatically receive connection codes from the access point without manual configuration, and the access point automatically manages connection states, thereby simplifying operation while dynamically managing connection limits to support large numbers of users
Data Source
AI summary
A display system includes: a transmission device that transmits image data; a reception device that is connected to the transmission device and receives the image data; and a display device that displays an image indicated by the image data received by the reception device. The reception device creates a connection code, creates a security key, which is used for connection with the transmission device, from the connection code, and transmits the connection code to the display device to cause the display device to display it. The display device displays the connection code. The transmission device creates the security key from the connection code having been inputted, and is connected to the reception device by using the security key.