Automatic Watch Switching with Locked Data Sync
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Solution Overview
Problem
Existing companion electronic devices, such as smartphones and watches, lack an efficient method to seamlessly switch between paired accessories, like watches, while maintaining data synchronization and security, especially when the device is in a locked state.
Innovation Solution
Implementing a system where a companion device automatically detects the removal of one watch and the attachment of another, using wrist state values from sensors to determine the active watch, and synchronizes data between watches even when the device is locked, allowing for smooth switching without user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the companion device stores data in a first store that cannot be accessed when locked, then data security is improved, but data synchronization between watches is hindered
Solution Approach 1:
The patent divides the storage system into two distinct stores: a first store with restricted access when the device is locked, and a second store with full accessibility. This segmentation allows the system to simultaneously maintain data security (through the first store) and enable seamless synchronization (through the second store) without requiring device unlocking.
Solution Approach 2:
The second store acts as an intermediary storage layer that facilitates data transfer between watches when the device is locked. It temporarily holds synchronization data, allowing the inactive watch to receive updates without requiring access to the secured first store or unlocking the device.
2Ease of operation
If automatic switching between watches is implemented, then user convenience is improved, but device complexity increases
Solution Approach 1:
The system implements automatic switching between active and inactive watches based on wrist detection sensors. The device autonomously determines when a watch is removed or attached to the user's wrist and performs switching operations without requiring user input, thereby improving convenience while keeping the switching logic relatively simple.
Solution Approach 2:
The patent employs wrist state sensors that continuously monitor whether a watch is worn on the user's wrist. This feedback mechanism triggers automatic switching decisions, allowing the system to respond dynamically to user actions while maintaining a straightforward switching protocol based on sensor inputs.
3Productivity
If data synchronization occurs while the device is locked, then productivity is improved, but security protocols are compromised
Solution Approach 1:
The patent segments the data storage into two stores with different access permissions. The second store is specifically designed to be accessible even when the device is locked, enabling synchronization operations to proceed without compromising the security of the first store. This segmentation allows productivity gains while maintaining security protocol integrity.
Data Source
AI summary
Systems, methods and non-transitory computer readable media for allowing a user to switch between wearable items that have been paired or associated with an electronic device, such as a smartphone, are described. In one embodiment, the wearable items automatically detect a removal of a first wearable item from a user's body and an attachment of a second wearable item to the user's body. Messages from the wearable items are transmitted to the electronic device to allow the electronic device to switch the active wearable item from the first wearable item to the second wearable item. The switch can occur while the electronic device is in a locked state, and the electronic device can synchronize the second wearable item with data received from the first wearable item. Other embodiments are also described.