Bluetooth Visual Interface Profile for Paired-Host Switching
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Solution Overview
Problem
Bluetooth devices without a visual user interface face challenges in switching connections to the intended host device, as they typically reconnect to the last device they were paired with, lacking user controls to change this behavior.
Innovation Solution
Implementing profile logic circuitry to add a visual interface profile that allows Bluetooth devices to display a list of paired host devices, enabling users to select and adjust settings through a host device's user interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If Bluetooth devices automatically connect to the last host device, then connection speed is improved, but ease of operation deteriorates because users cannot select different host devices
Solution Approach 1:
The patent introduces a visual interface profile as an intermediary layer between the Bluetooth device and host devices. This profile enables the Bluetooth device to present paired host devices visually and receive user selections, mediating between automatic connection behavior and user control requirements without adding physical interface complexity to the Bluetooth device itself
2Ease of operation
If Bluetooth devices without visual interface add connection selection capability, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent resolves the contradiction by moving the visual interface functionality to a different dimension - specifically, to the host device's display interface rather than adding physical buttons or screens to the Bluetooth device. The visual interface profile enables host devices to present connection options visually, allowing Bluetooth devices to gain selection capability without increasing their own physical complexity
Solution Approach 2:
The visual interface profile serves multiple functions: it enables connection selection, displays paired devices, and allows settings adjustment. By making the host device's display interface serve these additional functions, the system avoids adding dedicated hardware components to Bluetooth devices while still providing comprehensive user control capabilities
Data Source
AI summary
Logic to connect with a client device via a Bluetooth (BT) channel. Logic to receive a BT profile comprising a visual profile, the visual profile to describe an application layer feature to visually present a set of BT devices paired with the client device. Logic to present, via a display of the host device, a visual representation of the set of devices. Logic to receive user input associated with the visual representation of the set of devices, the user input indicating selection of a second host device. Logic to cause transmission of a BT frame to the client device to cause the client device to connect to the second BT host. Logic to transmit a BT profile comprising a visual profile. Logic to receive a BT frame to instruct the client device to connect to the second BT host. And logic to connect to a second BT host.