Bluetooth Pairing Handoff via Identifier Emulation
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Solution Overview
Problem
Most Bluetooth devices can only be paired with one device at a time, making it difficult to manage simultaneous tasks like answering calls and listening to music without losing the call due to slow pairing changes.
Innovation Solution
Implementing a 'baton' system where communication identifiers are transferred between devices, allowing a secondary device to emulate the primary one, enabling seamless handover during calls and maintaining continuous connectivity with a headset.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a Bluetooth device is paired with only one device at a time, then the pairing management is simple, but the user cannot smoothly switch between multiple devices for simultaneous tasks
Solution Approach 1:
The patent creates a virtual copy of the primary device's Bluetooth identifier in the secondary device. When the primary device is paired with the headset, the secondary device contains a copy of the primary device's Bluetooth address and link key, allowing it to emulate the primary device and maintain the pairing relationship without requiring actual simultaneous connections.
Solution Approach 2:
The patent introduces a mediator mechanism where the secondary device acts as an intermediary between the user and the primary device. The secondary device holds the copied identifier and can temporarily take over communication with the headset, facilitating smooth transitions during calls while the primary device remains technically paired.
2Speed
If the Bluetooth pairing is changed quickly to answer a call, then the call can be answered in time, but the music playback may be interrupted or lost
Solution Approach 1:
The patent performs preliminary action by pre-loading the primary device's Bluetooth identifier into the secondary device before any switching is needed. This preparation allows the secondary device to immediately assume communication responsibilities when a call arrives, eliminating the delay associated with traditional re-pairing processes and ensuring both call continuity and music playback stability.
3Adaptability or versatility
If two headsets are used to listen to music on a personal computer and answer calls on a cellular phone, then simultaneous tasks can be performed, but the cost and device complexity increase
Solution Approach 1:
The patent makes the secondary device universal by enabling it to perform multiple functions: it can act as a regular Bluetooth device for its own connections, and simultaneously serve as a Bluetooth identifier repository that emulates the primary device. This multi-functionality allows a single headset to handle both music playback from the PC and call audio from the phone without requiring separate headsets.
Data Source
AI summary
Apparatus, methods, and systems are disclosed for pairing a first wireless device with a second wireless device and establishing an identifier. The first wireless device transmits to the second wireless device from the first wireless device with the identifier. The first wireless device shares the identifier with a third wireless device. This allows the third device to transmit to the second wireless device appearing as the first wireless device. The first wireless device stops transmitting while the third wireless device transmits. Since the third wireless device used the identifier for the first wireless device, the second wireless device believes is communicating with the first wireless device.