Bluetooth BD Address Switching for Multi-Host Pairing
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Solution Overview
Problem
Existing electronic devices face difficulties in easily establishing Bluetooth pairings with peer devices, particularly in scenarios where multiple devices need to be connected and disconnected efficiently, such as with a wireless keyboard that needs to switch between different host devices like TVs and phones.
Innovation Solution
An electronic device equipped with a switching unit, such as a slide bar or toggle switch, that allows users to manually select a specific Bluetooth Device (BD) address from a stored list, enabling the device to change its BD address and establish or break pairings with different host devices accordingly, ensuring compatibility and preventing unintended connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple Bluetooth devices are paired for versatility, then device adaptability is improved, but device complexity increases due to managing multiple pairings
Solution Approach 1:
The patent segments the Bluetooth address management by dividing it into multiple distinct Bluetooth addresses stored in memory, each corresponding to a different host device. This allows the electronic device to manage multiple pairings through organized segmentation of address data, improving adaptability while maintaining manageable complexity through structured storage and selection mechanisms.
2Ease of operation
If Bluetooth pairing is automated for ease of operation, then ease of operation is improved, but reliability decreases due to unintended connections
Solution Approach 1:
The patent applies preliminary action by pre-storing multiple Bluetooth addresses in memory before actual pairing occurs. The switching unit allows users to pre-select which stored address to use, so when pairing is initiated, the correct device is already identified. This prevents unintended connections while maintaining ease of operation through pre-configured address selection.
Solution Approach 2:
The switching unit provides feedback control by allowing users to monitor and manually select among stored Bluetooth addresses. This feedback mechanism ensures that the user can verify which device will be paired before the connection is established, preventing unintended connections while maintaining simple operation through the intuitive switching interface.
3Adaptability or versatility
If Bluetooth address changes frequently for adaptability, then device adaptability is improved, but loss of time increases due to re-pairing processes
Solution Approach 1:
The patent applies preliminary action by pre-storing multiple Bluetooth addresses in memory during initial pairings. When the user switches between devices using the switching unit, the selected address is already available from pre-established pairings, eliminating the need for time-consuming re-pairing processes. This maintains adaptability while significantly reducing the time required to switch between devices.
Data Source
AI summary
A Bluetooth pairing method in an electronic device is provided. The method includes detecting a change of a switching state of a switch of the electronic device, selecting a Bluetooth Device (BD) address according to the changed switching state among a plurality of stored BD addresses, and applying the selected BD address to a Bluetooth pairing. The method can facilitate Bluetooth pairing to selectable types of host devices.