Wireless Device Input Source Selection Logic
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Solution Overview
Problem
Conventional wireless communication devices experience state ambiguities and data loss when users interact with both the handset and a remote device, leading to potential loss of incoming calls and data corruption.
Innovation Solution
A system and method for selecting an input source for a wireless communication device in active communication with a remote device, where the device maintains an active input state and updates it upon changes, ensuring a single input source is preserved during the session, and discards or buffers subsequent input from the previous source as necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the user is allowed to change data through both the application on the remote device and the user interface on the handset, then the ease of operation is improved, but state ambiguities occur between the remote device and the handset
Solution Approach 1:
The patent introduces an intermediary mechanism (input source selection logic and state synchronization protocol) that mediates between the remote device and handset to prevent state ambiguities. This intermediary tracks the active input source and ensures only one device can modify data at a time, resolving the contradiction by allowing ease of operation through remote access while maintaining reliability through controlled input sources.
2Productivity
If an application is running on the handset with the remote device providing the input, then the productivity is improved, but catastrophic state ambiguities may occur requiring a complete power cycle to reset
Solution Approach 1:
The patent applies preliminary action by establishing input source selection logic and state synchronization protocols before catastrophic state ambiguities can occur. The system proactively tracks and communicates the active input source between devices, preventing the formation of ambiguous states that would otherwise require power cycling to resolve, thus maintaining productivity while ensuring reliability.
3Reliability
If the wireless communication device maintains an active input state to preserve a single input source, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The patent applies universality by designing the input source selection logic to handle multiple functions within a single integrated mechanism. The same logic manages both the tracking of active input sources and the synchronization of state information between devices, reducing overall system complexity while maintaining reliability through a unified approach rather than separate specialized components.
Data Source
AI summary
Systems and methods for selecting an input source for data input to a wireless communication device are provided that allow a wireless communication device to be in active communication with one or more remote devices via wired or wireless links and receive input from a user through a remote device or through the user interface on the wireless communication device. The wireless communication device establishes an input source upon detection of the active communication link with the remote device and thereafter maintains an active input state to preserve a single input source during the session with the remote device. When the user switches the source of input, the wireless communication device detects the new input source, updates the active input state and provides the updated active input state to the remote device. Subsequent input from the new input source is thereafter received and processed and any subsequent input from a previous input source is discarded or buffered as appropriate.