Projector Bluetooth Adapter for Wireless Remote Control
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Solution Overview
Problem
Conventional infrared remote controllers for projectors are prone to aging, damage, or loss, and rely on environmentally unfriendly batteries, with directivity and range limitations, and lack the ability to be updated or recognize Bluetooth dongles for remote control functionality.
Innovation Solution
A projection system comprising a projection device, an adapter device, and an electronic device, where the adapter device converts control commands from one communication protocol to another, allowing the electronic device to control the projection device to perform booting, power-off, or running operations, using a Bluetooth dongle for wireless communication and eliminating the need for direct line-of-sight control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an infrared remote controller is used to control the projector, then the projector can be remotely controlled, but the remote controller is prone to aging, damage, or loss and requires battery replacement which is not environmentally friendly
Solution Approach 1:
The patent replaces the infrared remote controller system with a Bluetooth-based wireless control system. The Bluetooth remote control app on mobile devices eliminates the need for physical remote controllers and batteries, substituting the mechanical/infrared control mechanism with a software-based wireless communication approach that is environmentally friendly and more reliable
Solution Approach 2:
The patent introduces a Bluetooth module as an intermediary component within the projector that enables wireless communication with mobile devices. This intermediary allows control commands to be transmitted without requiring traditional infrared remote controllers, thereby eliminating battery usage and environmental pollution while maintaining reliable remote control functionality
2Ease of operation
If an infrared remote controller is used, then the projector can be controlled, but it has directivity issues and requires line-of-sight within a certain range
Solution Approach 1:
The patent substitutes the infrared line-of-sight control mechanism with Bluetooth wireless communication. Bluetooth technology enables omnidirectional control without line-of-sight requirements, allowing users to control the projector from any position and direction within the Bluetooth communication range, significantly enhancing operational flexibility and adaptability
Solution Approach 2:
The Bluetooth module provides universal wireless communication capability that works regardless of the user's position or orientation relative to the projector. This multi-functional approach allows the same Bluetooth interface to handle various control operations from any direction and distance within range, making the control system more versatile and adaptable to different usage scenarios
3Adaptability or versatility
If a conventional remote controller is used, then the projector can be controlled, but it cannot be updated with new functions through online software updates
Solution Approach 1:
The patent replaces the fixed-function infrared remote controller with a software-based Bluetooth control system. The Bluetooth module and associated control app can be updated via online software updates, enabling new control functions and features to be added without hardware changes. This substitution transforms the control system from a static mechanical device to a dynamic software-based system capable of continuous improvement and adaptation
4Adaptability or versatility
If the projector main control chip is used, then the projector can process control commands, but it cannot recognize a Bluetooth dongle with USB for remote Bluetooth connection
Solution Approach 1:
The patent segments the control system into two distinct parts: a Bluetooth module specifically designed to handle Bluetooth communication and protocol conversion, and the existing main control chip that processes control commands. This segmentation allows the Bluetooth module to specialize in recognizing and managing Bluetooth dongles and USB connections, while the main control chip focuses on command processing, thereby adding Bluetooth connectivity without overcomplicating the main control architecture
Solution Approach 2:
The patent introduces a Bluetooth module as an intermediary between the Bluetooth dongle/USB connection and the main control chip. This intermediary component handles the complexity of Bluetooth protocol recognition and communication, translating Bluetooth signals into commands that the main control chip can process. This approach enables Bluetooth connectivity while keeping the main control chip's functionality intact and avoiding direct complexity additions to the existing control architecture
Data Source
AI summary
A projection system including a projection device, an adapter device and an electronic device is provided. The projection device is adapted to be connected to the adapter device. The adapter device is connected to the electronic device. The adapter device is configured to receive a control command output by the electronic device and transmit the control command to the corresponding projection device. The projection device includes a first control circuit and a second control circuit. The first control circuit is configured to perform a booting operation on the projection device according to the control command during a powered-off state of the projection device. The second control circuit is configured to perform a power-off operation or a running operation on the projection device according to the control command during a booted-up state of the projection device. An operation method of the projection system is also provided.