USB Flash Drive Pre-Mount Mode Selection Switch
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Solution Overview
Problem
Existing storage devices, such as USB flash drives, require time-consuming auto-install processes for enabling features like U3 functionality, which can be inconvenient, especially when used with non-primary hosts or non-computing devices, and disabling U3 features permanently loses this functionality.
Innovation Solution
A storage device with a user-selectable input device, such as a mechanical switch, optical sensor, or pressure sensor, allows users to choose an operating mode before mounting, enabling or disabling features like U3 functionality prior to connection, allowing for immediate activation in the desired mode upon mounting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If U3 functionality is enabled on a USB flash drive, then application mobility and host resource access are improved, but the auto-install process becomes time-consuming and problematic when used with non-primary hosts or non-computing devices
Solution Approach 1:
The patent applies preliminary action by providing a switch that allows users to pre-configure the operating mode of the USB flash drive before mounting it to a host. By setting the switch to disable U3 functionality beforehand, the device immediately operates in mass storage mode upon connection, eliminating the time-consuming auto-install process while preserving the capability to enable U3 functionality later by changing the switch position.
2Ease of operation
If U3 feature is permanently removed from the device, then the auto-install problem is eliminated, but the ability to use U3 functionality is lost forever
Solution Approach 1:
The patent applies dynamics by implementing a switch that enables dynamic reconfiguration of the USB flash drive's operating mode. The switch allows users to toggle between U3 enabled and mass storage modes as needed, making the device adaptable to different usage scenarios. This dynamic capability eliminates the need for permanent removal of U3 functionality while providing operational simplicity when mass storage mode is selected.
3Ease of operation
If U3 functionality is disabled online after mounting, then unwanted auto-loading is prevented, but the device cannot be reconfigured to enable U3 functionality
Solution Approach 1:
The patent applies preliminary action by providing a switch that allows users to pre-configure the operating mode of the USB flash drive before mounting it to a host. By setting the switch to disable U3 functionality beforehand, the device immediately operates in mass storage mode upon connection, eliminating the time-consuming auto-install process while preserving the capability to enable U3 functionality later by changing the switch position.
Solution Approach 2:
The patent applies dynamics by implementing a switch that enables dynamic reconfiguration of the USB flash drive's operating mode. The switch allows users to toggle between U3 enabled and mass storage modes as needed, making the device adaptable to different usage scenarios. This dynamic capability eliminates the need for permanent removal of U3 functionality while providing operational simplicity when mass storage mode is selected.
Data Source
AI summary
A storage device comprising a non-volatile memory for storing data, and an input device that is operative to select an operating mode of the storage device prior to mounting the storage device, such that each operating mode represents a different type of storage device. A controller interfaces with the input device to establish the selected operating mode of the storage device once the storage device is mounted.