Interactive Whiteboard Control Right Sharing via Weight-Based Client Scanning
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Solution Overview
Problem
In conventional interactive whiteboard systems, users must physically move to the host device to control the system, which is inconvenient and inefficient.
Innovation Solution
A method for sharing control rights between the host device and client devices, where client devices can obtain control rights based on weight values and device information, allowing users to control the system from their own devices without needing to move to the host device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If control right is centralized on host device, then system management is simplified, but user convenience deteriorates as users must physically move to host device to control the system
Solution Approach 1:
The control right is segmented and distributed to multiple client devices based on weight values rather than being centralized on the host device. Each client device that receives control right notification can independently control the interactive whiteboard system, eliminating the need for users to physically move to the host device.
Solution Approach 2:
The control right distribution is dynamic rather than static. The host device continuously scans for online client devices, evaluates their weight values, and dynamically assigns control rights based on current system state and client device conditions, allowing flexible adaptation to different usage scenarios.
2Productivity
If control right is shared to multiple client devices, then user convenience is improved, but system complexity increases due to control right management
Solution Approach 1:
The host device performs preliminary evaluation of client devices by scanning their online status and calculating weight values before assigning control rights. This preliminary assessment ensures that only qualified client devices receive control right notifications, preventing unauthorized or inappropriate control assignments.
Solution Approach 2:
The system implements feedback mechanisms where client devices send online notifications to the host device, and the host device responds with control right notifications based on evaluated weight values. This closed-loop feedback ensures proper control right management while maintaining system simplicity.
Data Source
AI summary
A method for sharing a control right and a host device are provided. The method of sharing the control right is adapted to the host device of an interactive whiteboard system. The method includes the following steps. A scanning process is executed to receive an online notification signal broadcast by a first client device, wherein the online notification signal includes a weight value and device information of the first client device; it is determined whether the control right of the interactive whiteboard system is released or not, and when the control right of the interactive whiteboard system is not released, it is determined whether to share the control right of the interactive whiteboard system to the first client device according to the weight value. When the control right is determined to be shared to the first client device, a control right notification signal is transmitted to the first client device.